Return to 2000: Captain of the Great Powers
Chapter 273 Fate is like a knife!
Chapter 273 Fate is like a knife! (Please subscribe!)
Xu Cang would naturally be disrespectful if he could use military radar without restrictions and consequences.However, Xu Cang did not believe that after landing, he could remove all responsibilities.
If you can fall on your own, no matter how big this matter is, it is still an internal matter of civil aviation.However, once the military is involved, the nature of the matter is likely to change.
Is it true that the military is just playing tricks, you can use it as you want, and everything is gone after you use it up?
Yokosuka was originally in a place guarding Tokyo Bay, and its geographical location was extremely important.How important is radar there?The radar data of Yokosuka was used for a civil aviation airliner, and the previous three generations must not be checked afterwards?
This is not alarmist talk at all. The radar used for the defense of the capital is shared with the radar data of the civilian control agency. What if the data is leaked?Not to mention whether Japan would agree to provide help, even if they agreed, Xu Cang did not dare to accept it.
From a rational point of view, the possibility of this extreme situation happening is very small, but as long as it happens, Xu Cang will cause endless troubles in the future.
Who dares to take responsibility for the data leakage of the capital's garrison radar?
Moreover, the most important thing is that Xu Cang has his own way to deal with the current situation. This is not Xu Cang's bragging rights, but a real and effective way.Since I have a way without taking risks, why take risks?
"Xu Cang, do you really have a way to fly down?" The supervisor said: "If you are worried about other issues, you are too worried. Even if something goes wrong, I, as the commander, will bear it all."
"If something goes wrong, can you afford it?" Xu Cang asked back.
Small problems do not need to be borne by the supervisor, and the supervisor cannot bear the responsibility for major problems. The so-called guarantee here is meaningless at all.
Xu Cang freed his left hand, held the oxygen mask to cover his face, and used the oxygen mask to resist the impact of the airflow.However, because the coverage is not tight, the airflow will still squeeze in from the gap, and the eyes still can't stand it after a long time.
However, compared to looking up at things without protection, this can last a little longer.
This time Xu Cang didn't look outside, but looked up at the cockpit altitude indicator on the pressurization panel.
"Give me the heading and altitude!" Xu Cang was tired of arguing with the supervisor about the necessity of the so-called military radar: "If you want help, help me contact Yokohama Airport and prepare police and medical personnel."
In the control room, the supervisor gritted his teeth, and stopped talking about the military radar: "ANA45, turn left and heading 340, set the standard air pressure to FL120."
Civil aviation in Japan uses imperial units, not the domestic metric units.Of course, in the scope of civil aviation in the world, most of them also use imperial units, and only a few use metric units.
"Turn left and heading 340, the subscript is FL120." Xu Cang repeated.
The so-called FL120 is an altitude of 1 feet.
After repeating the recitation, Xu Cang thought for a while, and immediately turned off the accelerator. Originally, he wanted to pull up the speed brake, but considering some unexpected situations, he gave up this idea.
To be honest, if the broken windshield just now caused any other damage to the aircraft, it is better to descend relatively gently.The airbrake itself is destroying the fit of the airflow on the upper surface of the wing and forming turbulent flow on the upper surface of the wing.
Due to the existence of turbulent flow, buffeting will be generated in conjunction with the wings.However, as long as the turbulence is not very strong, the wing buffeting will not be too severe, unless the speedbrake is pulled beyond the flight stop.Now Xu Cang is not sure whether the broken windshield will cause some unknown damage to the aircraft, so it is better to be careful.
At this time, the aircraft has been relatively stable, and there is no need to pursue the descent rate too much.
In the control room, after issuing the initial command, the supervisor thought for a while and told his assistant: "Go and contact the Self-Defense Forces to apply for radar data sharing. The detection location is 130 nine degrees east longitude 58 minutes and 34 seconds. 24 degrees [-] minutes and one second north latitude, with a range of twenty nautical miles."
The supervisor gave the approximate location of ANA Flight 45 so that the target of the aircraft could be located relatively easily.
However, this seems to be contrary to the conversation between the supervisor and Xu Cang just now.
"Didn't he not use the help of military radar?" The assistant was a little puzzled.
The supervisor pondered for a moment: "Whether he wants it is his business, and whether he applies or not is my business. You don't have to worry about it, just go and talk to the Self-Defense Forces."
"But." The assistant was a little embarrassed: "If you apply for help from the Self-Defense Forces."
To be honest, even the assistant felt that applying for help from the Self-Defense Force would bring him a lot of trouble, but his boss had clearly said so, so he couldn't persuade him any more, so he nodded, "I see."
In the cockpit, Xu Cang didn't care about the airspeed and altitude. In comparison, the broken windshield had a greater impact on him.
In the high-altitude environment, the speed margin of the aircraft in a clean state is relatively large, so Xu Cang can directly use the ground speed as a reference.Of course, the ground speed is not consistent with the calculated airspeed on the PFD. The ground speed is the vector sum of the surface speed and the wind speed.
However, the altitude of the aircraft is not very high at this moment. If it is at a high altitude, and the wind can reach hundreds of knots at every turn, the error between the two will be relatively large.On the navigation page at the moment, even if there is no navigation information, the wind direction and wind speed display in the upper right corner is still normal, which is enough for Xu Cang's reference.
Fortunately, the current wind direction is roughly from west to east, and it is basically a positive crosswind relative to the flight direction of the aircraft. In terms of vector calculation, it basically has no effect on the result, that is, the ground speed is slightly equal to the surface speed.However, all of this is naturally based on the premise of a large airspeed margin in the smooth configuration.If the airspeed margin between the red and black speed bands will become smaller after the flaps are lowered, then it cannot be estimated in this way, but a relatively accurate value must be calculated mentally.
The current situation is that the wind direction is from west to east at more than 1 feet. If you are lucky, the wind direction is also the same at low altitudes, then Xu Cang can save a lot of mental calculations.
If Xu Cang remembers correctly, the runway of Yokohama Airport is No. 09/27, which is the standard east-west direction.In this way, the direction of the runway is basically the same as the direction of the low-altitude wind, and the vector calculation is much easier.Otherwise, if there is an angle between the wind direction and the runway, it will increase a lot of difficulty in the vector calculation. For the approach phase, it is obviously an increase in workload out of thin air.
Of course, there is no necessary relationship between the wind direction and speed at more than 1 feet and the low-altitude wind. It can only be said that Xu Cang has such a vision. After all, he can use his brain less, and he still hopes to move less.
However, in extreme cases, Xu Cang can not even pay attention to the speed of the meter, just fly to the speed of the ground.Flying ground speed instead of table speed is not groundless. As far as Airbus with a higher degree of automation is concerned, their aircraft do not refer to table speed when calculating aircraft energy, but directly refer to ground speed.
Surface speed is affected by many factors, but ground speed is not.Ground speed is the speed of the aircraft relative to the ground, which is not affected by wind and altitude, and is the most intuitive.Even on approach charts, the charts used by pilots to estimate the rate of descent are based on ground speed.
It's just that Boeing's flying speed has become a habit. I don't know if there will be a problem of taking things out of Airbus directly.As long as conditions permit, it is appropriate to fly at the speed of the watch or fly at the speed of the watch.
However, Xu Cang has one more concern in his heart, that is, whether the ground speed will have the same problem as the surface speed.
As we all know, the ground speed of the aircraft is calculated based on the inertial navigation system and the GPS system.Today, the aircraft's navigation page function is unusable, but Xu Cang guesses that it has nothing to do with the inertial navigation system, but is caused by a partial failure of the air data reference component.
To be fair, this shouldn't affect each other.It's just that Xu Cang is not a Boeing engineer, and many things about the 737 are not fully written in the manual, which makes Xu Cang wonder if some problems with the inertial reference of the air data will also affect the accuracy of the ground speed.
Of course, as Xu Cang who is far from being at the end of his life at the moment, he has his own way to verify whether there is any problem with the ground speed.No problem, that is naturally excellent, if there is a problem, let's talk about it later.Xu Cang, who has experienced ups and downs, can still be restricted by a small airspeed?
In the final analysis, the people on the Japanese side have not personally experienced the special situations that Xu Cang has dealt with.If the people in the Tokyo area control room were asked to communicate with the people in the Jianchuan area control room, the unreliable airspeed and altitude were placed on the side of the Jianchuan control room whose mentality has been tortured several times, it would not be able to cause any waves at all.
After all, they have experienced most of Xu Cang's special treatment with the control room of the Jianchuan tower. Among other things, their psychological training is absolutely top-notch. How can they be as surprised as the supervisor of the Tokyo area control room? .
As for the height, Xu Cang certainly has his own countermeasures!It is even said that Xu Cang’s method of judging altitude is more accurate and effective than using ground speed to estimate surface speed.
Everyone knows that there are three altimeters on the plane, one on the captain's side, one on the co-pilot's side, and one on the backup instrument.But in fact, the aircraft also has an altimeter, but most of the time, it does not indicate the actual altitude of the aircraft, that is the cockpit altimeter, which is used to indicate the pressurized altitude inside the cabin.
Normally, due to the existence of the pressurization system, the height of the cockpit is completely unequal to the actual height of the aircraft. In the automatic pressurization mode, following the automatic pressurization plan, there is an equal proportional relationship between the two.
However, in some extreme cases, such as full decompression, as now, since the pressurization is completely absent, the cabin altitude should be equal to the actual altitude of the aircraft.
Therefore, even if the altimeters on the captain's side, the co-pilot's side and the backup instrument are all disabled, the actual altitude of the aircraft can still be judged according to the cockpit altimeter.
Perhaps no one could have thought of that, but for Xu Cang, whose thinking was not blocked at all, he had already understood its replacement role the moment he looked up and saw the cockpit altimeter.
Xu Cang's technique is unparalleled, and his thinking is also amazing for the divergence of thinking under special circumstances.
Also, there is an error in estimating gauge speed from ground speed.However, after the windshield is broken and the inside and outside of the cabin are connected, the cockpit altitude is completely equal to the altitude of the aircraft, then the cockpit altimeter can accurately indicate the air pressure altitude of the aircraft without the so-called error.
In the absence of vision, obtaining a more accurate altitude is more important than speed.After all, in extreme cases, Xu Cang can even determine what speed range the plane is in through body sensation.
In any case, there is no difference between landing at a higher speed and landing at a slower speed in many cases.However, the height can never be judged by the sense of body. If it hits the ground, the difference will be huge.
Therefore, in Xu Cang's view, the most important height problem can be solved very dexterously, and everything is naturally under control.
In fact, the most difficult thing for Xu Cang was the process of looking at the cockpit altimeter.Since the cockpit altimeter is on the front roof, you need to look up to see the cockpit altimeter.Moreover, the cockpit altimeter is not the same as the electronic display on the PFD. The cockpit altimeter is a mechanical instrument, which is not as easy to read as the electronic display.
In addition, the cockpit altimeter is actually integrated with the cockpit differential pressure gauge. The two gauges share the same dial, but it is only the difference between the inner ring and the outer ring. If you don’t pay attention, it is easy to read it wrong.Because the windshield was broken, Xu Cang was troublesome to read the cockpit altimeter. The altimeter and the differential pressure gauge were still made together, so it was not impossible to read the wrong reading.
However, the only thing Xu Cang can feel fortunate about is that the current speed is still relatively high. When the follow-up flaps are released, the speed will be reduced. Maybe the impact of the airflow will not be as strong as it is now.Moreover, in order to reduce the speed as much as possible, Xu Cang may need to use the landing configuration with flaps forty.
Before the controller ordered the altitude, Xu Cang glanced at the cockpit altimeter. The altitude was more than 4000 feet, and the distance from the commanded 1 feet was very small. .
Xu Cang just closed the thrust handle at idle for five or six seconds, and then began to increase the accelerator slightly.He couldn't keep his head up and staring at the cockpit altimeter, so in the last few hundred feet, he needed to reduce the rate of descent to save time when the rate of descent was too high to cross 1 feet.
However, Xu Cang feels that in the emptied Tokyo airspace, it shouldn't be a problem to deviate a little from the control altitude.
Soon, before even reaching exactly 1 feet, the next altitude command came down.
"ANA45, continue to adjust the sea pressure to 1012 feet, and adjust the sea pressure to [-]." After finishing speaking, the Tokyo control also added a sentence: "Please strictly maintain the sea pressure of [-] feet."
After Xu Cang finished reciting, he became suspicious.Reasonably speaking, according to Xu Cang's estimation, we should be approaching the approach airspace of Yokohama Airport now. There shouldn't be any terrain around, and the aircraft in the nearby airspace has also been cleared. In particular, we must strictly maintain an altitude of [-] feet. What do you mean?
In radio communication, this special emphasis on altitude maintenance usually occurs when the aircraft will cross or fly over terrain obstacles in the near future.
However, Xu Cang didn't think too much, and started descending according to the cockpit altimeter.
Actually, Xu Cang had some doubts in his heart.That is, the cockpit altimeter does not have a QNH adjustment knob, that is to say, Xu Cang cannot adjust the corrected sea pressure value according to 1012 provided by the controller.As for whether the cockpit altimeter is based on the corrected sea pressure, field pressure or standard air pressure, Xu Cang is a little uncertain.
Xu Cang is not a god, nor does he know everything, such as this question.
Logically, however, it should be possible to rule out field pressure references.Because if the cockpit altimeter is based on the field pressure reference, the value of the cockpit altimeter should be zero after the cabin is completely depressurized after landing.However, Xu Cang occasionally paid attention to the cockpit altimeter during the actual operation. He was not sure about the relationship between the specific values, but it was definitely not zero.
In contrast, Xu Cang still prefers that the cockpit altimeter is naturally based on the corrected sea pressure, because he seems to remember that the altitude of the cockpit after landing is more consistent with the altitude of the airport.However, Xu Cang would not deliberately check this kind of thing, so he just had a general impression and was not sure.
However, fortunately, the revised sea pressure in the Yokohama area is 1012 at this moment, which is very small from the standard sea pressure of 1013.Even if Xu Cang made a mistake, the difference between the altitude value of the cockpit altimeter and the actual altitude is 27 feet, and this deviation is acceptable even if it exists.
This time the altitude was slightly higher. During this period, Xu Cang called the cabin again, and the captain quickly answered the phone.After asking about the specific situation of the cabin, Xu Cang finally let out a sigh of relief.Except for a passenger with a filling in his tooth who suffered significant bleeding due to a sharp change in air pressure, the rest of the passengers are in good condition.
The oxygen masks in the cabin can generally last for more than 10 minutes, and the time spent from depressurization to descending to nearly 10 feet does not even exceed [-] minutes, which can be regarded as relatively quick disposal.
"It's just that during the descent, the plane seemed to be very unstable. I felt several large rolls and dives. Some passengers should have been surprised during the maneuver," the captain said.
It's hard to answer Xu Cang when it comes to this, but he can't say that when he landed just now, he let the plane play freely.If he said this, the captain might fight with him desperately.
"During the emergency descent, I didn't pay that much attention." Xu Cang casually found an excuse to evade it, so he immediately changed the subject: "Locking the cabin door is not always a solution. I can't open it from the inside. Do you have a way to try to open it from the outside?" ?”
The captain thought for a while: "In the past, the old-fashioned cockpit door was equipped with keys. The flight crew had one key, and the purser had another key. However, after replacing it with an electronic locking system, it seems that there is no such thing. Sorry, it hasn't been long since our company replaced the locking system, and many things have not been announced, and some things are not very clear to me."
"This." Hearing this, Xu Cang was speechless for a moment: "I remember that this electronic locking system has an access code, do you know?"
"Is there a password?" The captain is sitting on the flight attendant's seat in the front cabin working room at the moment. Upon hearing this, he leaned out and looked back at the cockpit. I saw an input device similar to a password keyboard on the Internet.
"Really?" The captain was stunned. He really told Xu Cang that the newly installed electronic locking system has a password input device.
In fact, the captain must bear some responsibility for things that have progressed to this point, but he can't blame him for everything.ANA has just replaced the electronic locking system, and many publicity matters have not been implemented in place. Many crew members only know the general idea, and many details are missing.
"Yes, yes." The captain hurriedly said, "But I don't know the password?"
Xu Cang was really speechless by ANA's theoretical publicity work: "Since the old-fashioned cabin door lock, the purser will keep a key, will the purser know the password of the cabin door lock?"
However, when Xu Cang said it, he regretted it.The purser seems to have passed out due to excessive blood loss, and he doesn't know what the situation is now.
"Where's the purser?" Xu Cang asked hastily.
"Still in a coma." The captain was quite helpless, he felt as if he hadn't done anything to help.
Xu Cang had expected this, and although he was rather disappointed, his performance was not strong.He was silent for a moment, looked at Takashi Kuroda who was also in a coma on the left, and suddenly said: "Now you can't come in to help, and I can't get out of my body and I don't have tools to restrain him. Just in case , I can directly."
Xu Cang didn't continue, but the captain understood what Xu Cang meant.In many cases, the energy consumed to subdue a person is far greater than directly solving a person.From Xu Cang's point of view, he doesn't have a rope, nor any other tool to tie Kuroda Takaji.Even if there is, it is impossible for Xu Cang to give up the control of the plane and spend a short time to control Takashi Kuroda.
Relatively speaking, it is a neat and simple way to solve it directly. In the storage box on Xu Cang's right hand side, there is a ballpoint pen left by the front co-pilot.A pen can do many things.
However, the captain persuaded after thinking: "I don't think you should do this. If you solve it directly while he is in a coma, you will be in big trouble after landing. Maybe you are not from here, of course, in other parts of the world In the region, certain cultures will denounce you afterwards, and the pressure will be very high."
Xu Cang pondered for a moment, and finally accepted the captain's statement.
The world has been peaceful for too long, so that there are more and more people with Mary feelings in today's society.They care for everyone with a love that transcends human morality, even if that person is an unforgivable criminal.If Xu Cang did something when Takashi Kuroda was unconscious, after landing, with the exposure of the incident, there is almost no doubt that Xu Cang would be dubbed a butcher by some people.
It's kind of a fucking thing, but it actually happens in this society.
Moreover, there is another thing that Xu Cang is more concerned about, and that is whether the current involvement involves legal issues.
To be honest, this touched Xu Cang's knowledge blind spot.
If Takashi Kuroda had dealt with it directly, there would undoubtedly be no legal problems.However, now that Takashi Kuroda has lost the ability to continue committing crimes, what is it to solve him at this time?
Many times, legal matters conflict with human intuition.
It's like legal self-defense.When the gangster cuts you for the first time, you fight back, that is self-defense.However, after the first slash, you strike back, which is an overdefense, because when you strike back, the opponent's harmful behavior has stopped. (Of course, not so harsh now.)
Isn't this rather counter-intuitive?
Whether it is from the perspective of public opinion or the law, there are considerable risks. After thinking twice, Xu Cang gave up the idea of directly solving it.
No way, since you still want to live in this society, you have to follow some of the rules, even if these rules seem unreasonable.
Soon, the plane descended to six thousand feet.After less than half a minute of level flight, the controller suddenly asked: "ANA45, are you accurately maintaining the corrected sea pressure at [-] feet?"
"Yes, what's the problem?" Xu Cang quickly glanced at the cockpit altimeter, which happened to be [-] feet.
In the control room, after connecting to the military radar data of the Self-Defense Forces, the altitude information on ANA Flight 45 returned to normal, showing [-] feet above.
"Does he really know what the altitude is?" The controller was quite surprised.Xu Cang seems to be able to solve the height problem by himself.
Xu Cang's reaction was quick. Just after the controller asked this question, he guessed: "Have you connected to the military radar?"
"Xu Cang, I have to guide you to the thirteen nautical miles on the fifth side of runway 27 of Yokohama Airport. Although you disagree with the use of military radar, I also have my position. I hope you can understand. This is my personal action. You have nothing to do. You are right, you can solve it, then I am relieved. Under normal circumstances, I will not provide you with radar data, and I will only remind you when there is an obvious deviation." The supervisor said: " In this way, if you approach normally, you don’t count as using military radar, and it has nothing to do with you.”
The supervisor said that the thirteen nautical miles on the fifth side of runway 27 of Yokohama Airport is a specific point.The control panel of ANA Flight 45 is broken, and the APP mode cannot be used, but the navigation panel is not broken, and the frequency of ILS on Runway 27 of Yokohama Airport can still be tuned, and the ILS signal can be accepted naturally, so that the localizer and the ILS can be formed on the PFD. Guidance on the glideslope.
Under normal circumstances, after you have localizer and glideslope guidance, you don't need to care about the altitude.Because in theory, the localizer and glideslope can guide the aircraft all the way to the runway, as long as the pilot's manipulation is fine enough.
However, the glideslope signal of runway 27 of Yokohama Airport has some problems, and there will be fluctuations at about [-] nautical miles, so it is definitely impossible to intercept the glideslope beyond [-] nautical miles on the fifth side.In the NOTAM issued by Yokohama Airport, it is also recommended to intercept the blind landing at a distance of [-] nautical miles to [-] nautical miles to avoid the area where the glideslope signal is unstable.
Therefore, the supervisor only needs to guide Xu Cang to the thirteen nautical miles on the fifth side of No. 27, and he doesn't need to worry about it later.
It's just that, to intercept an ILS at this altitude, it takes almost 25 feet to descend.The minimum safe altitude of [-] nautical miles around Yokohama Airport is [-] feet.If Xu Cang can't accurately maintain [-] feet, it means that Xu Cang can't maintain control of the altitude by himself. Unless Xu Cang can be guided by military radar behind him, the supervisor will not let him enter the vicinity of Yokohama Airport.
Although I don't know what method Xu Cang used, but Xu Cang did it. If you say [-] feet, then go down to [-] feet accurately, without any error.In this way, at least the supervisor is willing to guide Xu Cang to Yokohama Airport.
"Anything!" Xu Cang didn't care, and even added: "However, I feel that you may not be able to guide me down to three thousand feet."
"What do you mean?" The supervisor was startled, obviously not understanding what Xu Cang meant.
Xu Cang was not interested in answering this kind of question, but directly asked: "Now that the verification is completed, can you continue to guide me?"
Seeing that Xu Cang had no intention of answering, and it was difficult to ask why, the supervisor glanced at the radar screen and continued: "Now turn left and head to 300, continue descending to an altitude of [-] feet."
Since the navigation page was unavailable, Xu Cang couldn't see his relative position to Yokohama Airport.However, according to the heading given by the controller, Xu Cang felt that this was almost a direction that cut straight to the five sides.So decisively began to continue to lower the altitude, while continuing to deflect to the left.
At the same time, Xu Cang began to flip through the previous co-pilot's chart manual.Fortunately, Xu Cang still remembered the four-letter code RJHT of Yokohama Airport, so he quickly found the corresponding air chart.At this time, Xu Cang had to sigh what a great job it is to digitize the aeronautical charts of later generations, and it is really tiring to turn through the chart manuals.
However, after complaining for a short time, Xu Cang quickly found the ILS approach map of Yokohama Runway 27, and set the ILS frequency according to the instructions on the map.
The ILS of Yokohama Runway 27 is equipped with DME ranging. After the IDS frequency is tuned out, although there is no localizer and glideslope signal display because the distance is too far, the distance to the runway is displayed on the upper left corner of the PFD. up.
37 nautical miles!
Not far away!
Because it is completely manual operation, and the navigation page function cannot be used, Xu Cang didn't even select the approach procedure on the CDU, it was all radar guidance anyway.However, he ended up doing some very simple approach preparations, like setting the autobrakes and the like.
After estimating the time of landing in his mind, and talking to the cabin behind, Xu Cang has completely entered the working state.
Another thing that made Xu Cang happy was that the wind direction didn't seem to change much as the altitude decreased.This is still good for the subsequent calculation of the speed, at least it can save Xu Cang a lot of work.
After learning the expected landing time, the captain had asked the first-class flight attendant to make a passenger announcement.Although the feeling of this flight was very bad, after the danger appeared, the passengers in the cabin were chaotic, but in the end it did not develop to the point where it was out of control.
No matter what, it is finally about to land, and everything is about to end.
The captain did not turn around and wait in the cabin, but continued to stay on the flight attendant's seat.Suddenly, he seemed to hear some groans. He tilted his head and found that the purser lying in the front row of the first-class cabin seemed to have moved.
"woke up?"
The captain was overjoyed when he saw it, even though the flight attendant was wearing an oxygen mask when he was releasing the pressure.However, due to excessive blood loss, his physical condition was very poor, and the captain had no confidence in whether he could survive.Now that the purser has taken action, even if it is extremely slight, it is enough.
The captain hesitated for a while, thinking about the cockpit password that Xu Cang said earlier, he still took off his seat belt, and then walked two steps to the first-class cabin, the seat next to the purser.
At this moment, the captain can already see the situation outside through the porthole, and the ground can be clearly seen, which shows that the landing is indeed not far away.However, according to what I said to Xu Cang before, it seems that the hijacker may still wake up. To be on the safe side, he can open the cockpit door and go in to help Xu Cang completely subdue the hijacker. the best.
He knew that the purser was very weak now, but he still had a glimmer of hope and asked, "Purser, do you know the cockpit password?"
Xu Cang was naturally unaware of what happened in the cabin, including the fact that the flight attendant woke up and the captain asked for the cockpit password.After descending to 30 feet, Xu Cang found that the wind speed was already relatively weak, only a little over [-] knots, and it showed a relatively standard [-]-degree angle with the flight heading, which made it easy to calculate the corresponding surface speed.
Xu Cang is very familiar with the throttle and attitude of each stage of level flight, climb, and descent.After maintaining the altitude of 27 feet for a period of time, the localizer signal, which had not moved before, responded first and began to move slowly towards the middle, which indicated that the plane was extremely close to the fifth side of runway [-] of Yokohama Airport.
Since it was operated manually, Xu Cang also began to make a relatively small slope to turn left slowly to cut into the localizer gently while the localizer signal was gradually returning to the center.
At first, the director of the control room didn't understand what Xu Cang meant when he said that they couldn't guide themselves to three thousand feet.When the plane descended below 45 feet, the altitude information obtained by turning on the military radar immediately began to appear abnormal, and it was unable to follow the descent of ANA Flight [-] to display real-time altitude information.
When approaching the altitude of [-] feet, the altitude information disappeared immediately.
"What's going on here?" The supervisor was stunned, why is there no altitude information?He immediately greeted his assistant and asked him to ask what the reason was.
Within 2 minutes, the assistant came back and said awkwardly: "The over there said that due to the limitation of radar performance and some terrain factors, the detection capability is limited in the low-altitude range. This kind of altitude loss is normal."
"Normal?" The supervisor laughed angrily.Without Xu Cang's words, he might not have felt much. After all, due to the curvature of the earth and the influence of terrain obstacles, many radars are indeed not effective in low-altitude detection.However, with Xu Cang's words, it was almost like his own face.
However, before the supervisor got sulking, Xu Cang slowly turned left and cut into the localizer, which was immediately reflected on the radar screen of the area control room. I grabbed the control microphone directly: "ANA45, have you intercepted the channel?"
"Lane intercepted, ANA45."
"ANA45, contact Yokohama Tower 118.45, goodbye, and good luck." The supervisor let out a long breath.
Due to the poor ability of the civil control radar to detect ANA45 information, the area control directly took over the work of approach control, directly guided Xu Cang to runway 27 of Yokohama Airport, and then directly handed over to the tower control.
Xu Cang switched the radio frequency to the frequency of Yokohama Tower: "Yokohama Tower, ANA45, altitude 27 feet, channel [-]."
"ANA45, ground wind 280/03, visibility greater than 27 kilometers, runway [-] can land. The police and medical personnel are already in place. After landing, the runway will be occupied and the vehicle will be shut down on the spot. The people in the cabin must not get off the plane." After receiving the news, I immediately explained all the arrangements after landing.
In such a situation, it is definitely not possible to get off the plane first. Special personnel such as the police need to get on the plane first to fully control the criminals, escort them off the plane, and then organize ordinary passengers to get off the plane.
Xu Cang naturally knows this process clearly, and sometimes he will encounter it during emergency drills.
"Got it, runway 27 is ready for landing."
Hearing the ground wind given by the tower, Xu Cang couldn't help being overjoyed.This is basically facing the wind, and the speed can be calculated at once.
Since the plane cuts into the glideslope from a low place, after intercepting the localizer, it needs to level off for a while to intercept the glideslope.In order to land as soon as possible, Xu Cang has been delaying the flaps.Now, during level flight and other cuts into the glideslope, you can just slow down and lower the flaps.
Without even thinking about it, I just turned off the throttle and held the plane. After a little calculation of the speed, I felt that it was within the limit, so I put it on flap one first.
It is quite fast to slow down in level flight with a slow car. Basically, wherever the flaps are placed, the speed can be seen there, especially if the landing gear is placed at the rear, the deceleration will be faster, so there is no need to worry about not being able to decelerate.
Almost as soon as the landing configuration was established, the aircraft intercepted the glideslope.According to the previous prediction, Xu Cang used 130 flaps to land, and the speed was very low, only an approach speed of more than [-] knots.
As soon as the glideslope was intercepted, Xu Cang immediately pushed the throttle of the idle car to 52, and then pushed the rod slightly to reduce the posture so as to follow the glideslope.
At the moment when the glideslope was intercepted, an OM logo flashed in the upper left corner of the PFD, which means that the aircraft passed the outer beacon.As soon as this sign appeared, Xu Cang immediately pressed the clock on the plane to count down.
That's right, Xu Cang wanted to verify whether there was any problem with the ground speed.
On Runway 27 of Yokohama Airport, the distance between the inner beacon and the outer beacon is seven nautical miles, which is marked on the ILS map.Aircraft will have an OM indication when flying over an outer beacon and an IM indication when flying over an inner beacon.In this way, Xu Cang only needs to time the time between getting off the plane from the outer beacon to the inner beacon, and knowing the distance between the two beacons is seven nautical miles, then he can get the average speed of the plane between the two.
After mental calculation, use this average speed to compare with the ground speed. If you think about the same, it means that the ground speed is no problem.
If there is too much difference, then Xu Cang has to consider some relatively out-of-the-way ways of landing.
Just after Xu Cang counted the time, a beeping sound suddenly sounded from outside the door.This sound does not come from the cockpit, but from the cockpit door.In this era, many people may not understand this voice, but Xu Cang knows it clearly.
This is the movement of the cabin door locking system analyzing the password and starting to automatically unlock after entering the cockpit access code from the outside.
"Do you know the cockpit password?" Xu Cang's first thought was whether the captain had asked or remembered the cockpit password.
He glanced at Takashi Kuroda again, seeing that the distance was only five nautical miles, Xu Cang hesitated, pressed the cabin call button, or kept some energy to keep the plane on the standard glideslope: "Do you know the password?"
"Yes, the purser is awake." After waiting for a while, the captain's voice sounded: "This door seems to be waiting for a while, I will come in when it opens."
Outside the door, as Xu Cang expected, it was the captain who entered the cockpit access code.
After a lot of tossing just now, the captain obtained the password to enter and exit the cockpit from the mouth of the weak flight attendant.He didn't think much about it, he just wanted to open the door and give Xu Cang a hand.It's just that his movements are a little slow, almost falling to the ground.
"After entering the password, the electronic lock needs to wait for a while." At other times, Xu Cang let the captain in easily, but now it is very close to the landing, the captain is not fixed, it is still a bit dangerous .
After thinking for a while, Xu Cang still said: "Okay, come in as soon as you drive. However, the plane is about to land, so pay attention to your figure when you come in."
"I see!" The captain responded immediately.
At most, there will be more than a minute before landing. At this moment, the altitude is already very low, and the speed has also dropped to the minimum.The airflow on the final side of Yokohama Airport is very stable, and Xu Cang can maintain the standard localizer and glideslope even without much manipulation.
Xu Cang raised his head slightly and tried to look outside.The air current is still fierce, but it is far inferior to that at high altitude.He opened his eyes slightly, felt a little, and then quickly lowered his head again.
is acceptable!
Xu Cang estimated that he would be below fifty feet for a while, and after entering the air above the runway, he could still keep his eyes on the outside world.
Soon, after seeing the IM instructions, Xu Cang silently glanced at the timing on the clock, and then mentally calculated the average speed, which was almost equal to the ground speed.This undoubtedly proves that the ground speed display is correct, and you can use it safely and boldly after you land in a while.
At this moment, the plane was only a few hundred feet high.Feeling his icy body, Xu Cang's heart became hot uncontrollably.
Descending from a height of [-] meters, Xu Cang experienced hypoxia and cold, and was close to hypothermia.However, it finally landed safely.
Fifty feet high!
Xu Cang's manipulation is so precise, he can accurately and quickly follow the guidance of the blind landing all the way to the ultra-low altitude of fifty feet.
At this moment, there was a clicking sound, that was the sound of the lock being unlocked.After tossing and tossing for so long, the electronic lock was finally opened from the outside. It took a little longer, and the timing was not too good just as the plane was about to level off.
"Hurry up, the plane is about to land." Xu Cang ordered, but he didn't go back to look at anyone. He had already turned his field of vision outside. He felt that the plane's energy was enough, so he pulled back the accelerator and was about to level off. A sullen voice suddenly sounded in his ear: "It's too slow!"
It was this ghostly voice that made Xu Cang's hair stand on end, and he suddenly turned his head to look to the left.I don't know when, Kuroda Ryuji, who has been in a coma, has come to his senses, and holding a sharp knife in his hand, he stabbed at Xu Cang with a grinning grin.
At this moment, the plane was approaching touchdown, so Xu Cang raised his hand to block it, almost instinctively.Then no matter how the flesh body blocked the sharp blade, the sharp knife directly passed through Xu Cang's palm.
The severe pain in his palm almost made Xu Cang lose his sanity. Even Xu Cang lost control of the plane at this moment.
Since Xu Cang was leveling with his right hand, under severe pain, he couldn't give an accurate amount of leveling, but instinctively moved back.However, this kind of leveling without thinking is a big problem, because during the leveling, due to the drive of inertia, the right hand will unconsciously press the plate to the right during the leveling, so that the aircraft will form a right bank.
Even if Xu Cang flattened, but the amount of flattening was very small, the landing attitude of the plane did not appear at all, and it sank very fast.Because of the right bank, the right wheel of the aircraft touched down first.However, due to the large ground load caused by the rapid sinking, the right wheel of the plane burst directly at the moment of touchdown.
However, due to the heavy grounding, even though the right tire blew out, the plane still bounced up.
This time the plane bounced so high that if it touched down again, the plane would be smashed to pieces.
At this very moment, Xu Cang roared loudly, like a dying beast bursting out with a strong desire to survive, the five fingers of his left hand pierced by the sharp blade directly wrapped Kuroda Takashi's right hand, pulled it down, and then With a hard push, the two thrust handles are pushed to the front.
Under the roar, the two CFM56 engines exploded with powerful thrust again, and the plane on Xu Cang's right hand soared into the sky again at a huge elevation angle.
As the attitude of the plane suddenly changed to a high angle of elevation, Takashi Kuroda caught off guard and let go of the handle of the knife.Seeing this, Xu Cang withdrew his left hand, turned the main electric trim back to full with his right hand in an instant, then let go of the steering wheel, and pulled out the sharp knife that had penetrated his left hand with his backhand.
In an instant, Xu Cang shot a lot of blood with his left hand, but how could Xu Cang care about it?He directly switched the knife from his right hand to his left, and just grabbed the handle of the knife, the severe pain from the wound on his palm almost made Xu Cang faint.
But it was the severe pain that aroused Xu Cang's fierceness.This time, he didn't stay any longer, he stabbed down with the knife in his left hand, and directly inserted the sharp knife into Takashi Kuroda's right shoulder blade.
In an instant, the entire cockpit resounded with Kuroda Takashi's almost crazy roar!
(End of this chapter)
Xu Cang would naturally be disrespectful if he could use military radar without restrictions and consequences.However, Xu Cang did not believe that after landing, he could remove all responsibilities.
If you can fall on your own, no matter how big this matter is, it is still an internal matter of civil aviation.However, once the military is involved, the nature of the matter is likely to change.
Is it true that the military is just playing tricks, you can use it as you want, and everything is gone after you use it up?
Yokosuka was originally in a place guarding Tokyo Bay, and its geographical location was extremely important.How important is radar there?The radar data of Yokosuka was used for a civil aviation airliner, and the previous three generations must not be checked afterwards?
This is not alarmist talk at all. The radar used for the defense of the capital is shared with the radar data of the civilian control agency. What if the data is leaked?Not to mention whether Japan would agree to provide help, even if they agreed, Xu Cang did not dare to accept it.
From a rational point of view, the possibility of this extreme situation happening is very small, but as long as it happens, Xu Cang will cause endless troubles in the future.
Who dares to take responsibility for the data leakage of the capital's garrison radar?
Moreover, the most important thing is that Xu Cang has his own way to deal with the current situation. This is not Xu Cang's bragging rights, but a real and effective way.Since I have a way without taking risks, why take risks?
"Xu Cang, do you really have a way to fly down?" The supervisor said: "If you are worried about other issues, you are too worried. Even if something goes wrong, I, as the commander, will bear it all."
"If something goes wrong, can you afford it?" Xu Cang asked back.
Small problems do not need to be borne by the supervisor, and the supervisor cannot bear the responsibility for major problems. The so-called guarantee here is meaningless at all.
Xu Cang freed his left hand, held the oxygen mask to cover his face, and used the oxygen mask to resist the impact of the airflow.However, because the coverage is not tight, the airflow will still squeeze in from the gap, and the eyes still can't stand it after a long time.
However, compared to looking up at things without protection, this can last a little longer.
This time Xu Cang didn't look outside, but looked up at the cockpit altitude indicator on the pressurization panel.
"Give me the heading and altitude!" Xu Cang was tired of arguing with the supervisor about the necessity of the so-called military radar: "If you want help, help me contact Yokohama Airport and prepare police and medical personnel."
In the control room, the supervisor gritted his teeth, and stopped talking about the military radar: "ANA45, turn left and heading 340, set the standard air pressure to FL120."
Civil aviation in Japan uses imperial units, not the domestic metric units.Of course, in the scope of civil aviation in the world, most of them also use imperial units, and only a few use metric units.
"Turn left and heading 340, the subscript is FL120." Xu Cang repeated.
The so-called FL120 is an altitude of 1 feet.
After repeating the recitation, Xu Cang thought for a while, and immediately turned off the accelerator. Originally, he wanted to pull up the speed brake, but considering some unexpected situations, he gave up this idea.
To be honest, if the broken windshield just now caused any other damage to the aircraft, it is better to descend relatively gently.The airbrake itself is destroying the fit of the airflow on the upper surface of the wing and forming turbulent flow on the upper surface of the wing.
Due to the existence of turbulent flow, buffeting will be generated in conjunction with the wings.However, as long as the turbulence is not very strong, the wing buffeting will not be too severe, unless the speedbrake is pulled beyond the flight stop.Now Xu Cang is not sure whether the broken windshield will cause some unknown damage to the aircraft, so it is better to be careful.
At this time, the aircraft has been relatively stable, and there is no need to pursue the descent rate too much.
In the control room, after issuing the initial command, the supervisor thought for a while and told his assistant: "Go and contact the Self-Defense Forces to apply for radar data sharing. The detection location is 130 nine degrees east longitude 58 minutes and 34 seconds. 24 degrees [-] minutes and one second north latitude, with a range of twenty nautical miles."
The supervisor gave the approximate location of ANA Flight 45 so that the target of the aircraft could be located relatively easily.
However, this seems to be contrary to the conversation between the supervisor and Xu Cang just now.
"Didn't he not use the help of military radar?" The assistant was a little puzzled.
The supervisor pondered for a moment: "Whether he wants it is his business, and whether he applies or not is my business. You don't have to worry about it, just go and talk to the Self-Defense Forces."
"But." The assistant was a little embarrassed: "If you apply for help from the Self-Defense Forces."
To be honest, even the assistant felt that applying for help from the Self-Defense Force would bring him a lot of trouble, but his boss had clearly said so, so he couldn't persuade him any more, so he nodded, "I see."
In the cockpit, Xu Cang didn't care about the airspeed and altitude. In comparison, the broken windshield had a greater impact on him.
In the high-altitude environment, the speed margin of the aircraft in a clean state is relatively large, so Xu Cang can directly use the ground speed as a reference.Of course, the ground speed is not consistent with the calculated airspeed on the PFD. The ground speed is the vector sum of the surface speed and the wind speed.
However, the altitude of the aircraft is not very high at this moment. If it is at a high altitude, and the wind can reach hundreds of knots at every turn, the error between the two will be relatively large.On the navigation page at the moment, even if there is no navigation information, the wind direction and wind speed display in the upper right corner is still normal, which is enough for Xu Cang's reference.
Fortunately, the current wind direction is roughly from west to east, and it is basically a positive crosswind relative to the flight direction of the aircraft. In terms of vector calculation, it basically has no effect on the result, that is, the ground speed is slightly equal to the surface speed.However, all of this is naturally based on the premise of a large airspeed margin in the smooth configuration.If the airspeed margin between the red and black speed bands will become smaller after the flaps are lowered, then it cannot be estimated in this way, but a relatively accurate value must be calculated mentally.
The current situation is that the wind direction is from west to east at more than 1 feet. If you are lucky, the wind direction is also the same at low altitudes, then Xu Cang can save a lot of mental calculations.
If Xu Cang remembers correctly, the runway of Yokohama Airport is No. 09/27, which is the standard east-west direction.In this way, the direction of the runway is basically the same as the direction of the low-altitude wind, and the vector calculation is much easier.Otherwise, if there is an angle between the wind direction and the runway, it will increase a lot of difficulty in the vector calculation. For the approach phase, it is obviously an increase in workload out of thin air.
Of course, there is no necessary relationship between the wind direction and speed at more than 1 feet and the low-altitude wind. It can only be said that Xu Cang has such a vision. After all, he can use his brain less, and he still hopes to move less.
However, in extreme cases, Xu Cang can not even pay attention to the speed of the meter, just fly to the speed of the ground.Flying ground speed instead of table speed is not groundless. As far as Airbus with a higher degree of automation is concerned, their aircraft do not refer to table speed when calculating aircraft energy, but directly refer to ground speed.
Surface speed is affected by many factors, but ground speed is not.Ground speed is the speed of the aircraft relative to the ground, which is not affected by wind and altitude, and is the most intuitive.Even on approach charts, the charts used by pilots to estimate the rate of descent are based on ground speed.
It's just that Boeing's flying speed has become a habit. I don't know if there will be a problem of taking things out of Airbus directly.As long as conditions permit, it is appropriate to fly at the speed of the watch or fly at the speed of the watch.
However, Xu Cang has one more concern in his heart, that is, whether the ground speed will have the same problem as the surface speed.
As we all know, the ground speed of the aircraft is calculated based on the inertial navigation system and the GPS system.Today, the aircraft's navigation page function is unusable, but Xu Cang guesses that it has nothing to do with the inertial navigation system, but is caused by a partial failure of the air data reference component.
To be fair, this shouldn't affect each other.It's just that Xu Cang is not a Boeing engineer, and many things about the 737 are not fully written in the manual, which makes Xu Cang wonder if some problems with the inertial reference of the air data will also affect the accuracy of the ground speed.
Of course, as Xu Cang who is far from being at the end of his life at the moment, he has his own way to verify whether there is any problem with the ground speed.No problem, that is naturally excellent, if there is a problem, let's talk about it later.Xu Cang, who has experienced ups and downs, can still be restricted by a small airspeed?
In the final analysis, the people on the Japanese side have not personally experienced the special situations that Xu Cang has dealt with.If the people in the Tokyo area control room were asked to communicate with the people in the Jianchuan area control room, the unreliable airspeed and altitude were placed on the side of the Jianchuan control room whose mentality has been tortured several times, it would not be able to cause any waves at all.
After all, they have experienced most of Xu Cang's special treatment with the control room of the Jianchuan tower. Among other things, their psychological training is absolutely top-notch. How can they be as surprised as the supervisor of the Tokyo area control room? .
As for the height, Xu Cang certainly has his own countermeasures!It is even said that Xu Cang’s method of judging altitude is more accurate and effective than using ground speed to estimate surface speed.
Everyone knows that there are three altimeters on the plane, one on the captain's side, one on the co-pilot's side, and one on the backup instrument.But in fact, the aircraft also has an altimeter, but most of the time, it does not indicate the actual altitude of the aircraft, that is the cockpit altimeter, which is used to indicate the pressurized altitude inside the cabin.
Normally, due to the existence of the pressurization system, the height of the cockpit is completely unequal to the actual height of the aircraft. In the automatic pressurization mode, following the automatic pressurization plan, there is an equal proportional relationship between the two.
However, in some extreme cases, such as full decompression, as now, since the pressurization is completely absent, the cabin altitude should be equal to the actual altitude of the aircraft.
Therefore, even if the altimeters on the captain's side, the co-pilot's side and the backup instrument are all disabled, the actual altitude of the aircraft can still be judged according to the cockpit altimeter.
Perhaps no one could have thought of that, but for Xu Cang, whose thinking was not blocked at all, he had already understood its replacement role the moment he looked up and saw the cockpit altimeter.
Xu Cang's technique is unparalleled, and his thinking is also amazing for the divergence of thinking under special circumstances.
Also, there is an error in estimating gauge speed from ground speed.However, after the windshield is broken and the inside and outside of the cabin are connected, the cockpit altitude is completely equal to the altitude of the aircraft, then the cockpit altimeter can accurately indicate the air pressure altitude of the aircraft without the so-called error.
In the absence of vision, obtaining a more accurate altitude is more important than speed.After all, in extreme cases, Xu Cang can even determine what speed range the plane is in through body sensation.
In any case, there is no difference between landing at a higher speed and landing at a slower speed in many cases.However, the height can never be judged by the sense of body. If it hits the ground, the difference will be huge.
Therefore, in Xu Cang's view, the most important height problem can be solved very dexterously, and everything is naturally under control.
In fact, the most difficult thing for Xu Cang was the process of looking at the cockpit altimeter.Since the cockpit altimeter is on the front roof, you need to look up to see the cockpit altimeter.Moreover, the cockpit altimeter is not the same as the electronic display on the PFD. The cockpit altimeter is a mechanical instrument, which is not as easy to read as the electronic display.
In addition, the cockpit altimeter is actually integrated with the cockpit differential pressure gauge. The two gauges share the same dial, but it is only the difference between the inner ring and the outer ring. If you don’t pay attention, it is easy to read it wrong.Because the windshield was broken, Xu Cang was troublesome to read the cockpit altimeter. The altimeter and the differential pressure gauge were still made together, so it was not impossible to read the wrong reading.
However, the only thing Xu Cang can feel fortunate about is that the current speed is still relatively high. When the follow-up flaps are released, the speed will be reduced. Maybe the impact of the airflow will not be as strong as it is now.Moreover, in order to reduce the speed as much as possible, Xu Cang may need to use the landing configuration with flaps forty.
Before the controller ordered the altitude, Xu Cang glanced at the cockpit altimeter. The altitude was more than 4000 feet, and the distance from the commanded 1 feet was very small. .
Xu Cang just closed the thrust handle at idle for five or six seconds, and then began to increase the accelerator slightly.He couldn't keep his head up and staring at the cockpit altimeter, so in the last few hundred feet, he needed to reduce the rate of descent to save time when the rate of descent was too high to cross 1 feet.
However, Xu Cang feels that in the emptied Tokyo airspace, it shouldn't be a problem to deviate a little from the control altitude.
Soon, before even reaching exactly 1 feet, the next altitude command came down.
"ANA45, continue to adjust the sea pressure to 1012 feet, and adjust the sea pressure to [-]." After finishing speaking, the Tokyo control also added a sentence: "Please strictly maintain the sea pressure of [-] feet."
After Xu Cang finished reciting, he became suspicious.Reasonably speaking, according to Xu Cang's estimation, we should be approaching the approach airspace of Yokohama Airport now. There shouldn't be any terrain around, and the aircraft in the nearby airspace has also been cleared. In particular, we must strictly maintain an altitude of [-] feet. What do you mean?
In radio communication, this special emphasis on altitude maintenance usually occurs when the aircraft will cross or fly over terrain obstacles in the near future.
However, Xu Cang didn't think too much, and started descending according to the cockpit altimeter.
Actually, Xu Cang had some doubts in his heart.That is, the cockpit altimeter does not have a QNH adjustment knob, that is to say, Xu Cang cannot adjust the corrected sea pressure value according to 1012 provided by the controller.As for whether the cockpit altimeter is based on the corrected sea pressure, field pressure or standard air pressure, Xu Cang is a little uncertain.
Xu Cang is not a god, nor does he know everything, such as this question.
Logically, however, it should be possible to rule out field pressure references.Because if the cockpit altimeter is based on the field pressure reference, the value of the cockpit altimeter should be zero after the cabin is completely depressurized after landing.However, Xu Cang occasionally paid attention to the cockpit altimeter during the actual operation. He was not sure about the relationship between the specific values, but it was definitely not zero.
In contrast, Xu Cang still prefers that the cockpit altimeter is naturally based on the corrected sea pressure, because he seems to remember that the altitude of the cockpit after landing is more consistent with the altitude of the airport.However, Xu Cang would not deliberately check this kind of thing, so he just had a general impression and was not sure.
However, fortunately, the revised sea pressure in the Yokohama area is 1012 at this moment, which is very small from the standard sea pressure of 1013.Even if Xu Cang made a mistake, the difference between the altitude value of the cockpit altimeter and the actual altitude is 27 feet, and this deviation is acceptable even if it exists.
This time the altitude was slightly higher. During this period, Xu Cang called the cabin again, and the captain quickly answered the phone.After asking about the specific situation of the cabin, Xu Cang finally let out a sigh of relief.Except for a passenger with a filling in his tooth who suffered significant bleeding due to a sharp change in air pressure, the rest of the passengers are in good condition.
The oxygen masks in the cabin can generally last for more than 10 minutes, and the time spent from depressurization to descending to nearly 10 feet does not even exceed [-] minutes, which can be regarded as relatively quick disposal.
"It's just that during the descent, the plane seemed to be very unstable. I felt several large rolls and dives. Some passengers should have been surprised during the maneuver," the captain said.
It's hard to answer Xu Cang when it comes to this, but he can't say that when he landed just now, he let the plane play freely.If he said this, the captain might fight with him desperately.
"During the emergency descent, I didn't pay that much attention." Xu Cang casually found an excuse to evade it, so he immediately changed the subject: "Locking the cabin door is not always a solution. I can't open it from the inside. Do you have a way to try to open it from the outside?" ?”
The captain thought for a while: "In the past, the old-fashioned cockpit door was equipped with keys. The flight crew had one key, and the purser had another key. However, after replacing it with an electronic locking system, it seems that there is no such thing. Sorry, it hasn't been long since our company replaced the locking system, and many things have not been announced, and some things are not very clear to me."
"This." Hearing this, Xu Cang was speechless for a moment: "I remember that this electronic locking system has an access code, do you know?"
"Is there a password?" The captain is sitting on the flight attendant's seat in the front cabin working room at the moment. Upon hearing this, he leaned out and looked back at the cockpit. I saw an input device similar to a password keyboard on the Internet.
"Really?" The captain was stunned. He really told Xu Cang that the newly installed electronic locking system has a password input device.
In fact, the captain must bear some responsibility for things that have progressed to this point, but he can't blame him for everything.ANA has just replaced the electronic locking system, and many publicity matters have not been implemented in place. Many crew members only know the general idea, and many details are missing.
"Yes, yes." The captain hurriedly said, "But I don't know the password?"
Xu Cang was really speechless by ANA's theoretical publicity work: "Since the old-fashioned cabin door lock, the purser will keep a key, will the purser know the password of the cabin door lock?"
However, when Xu Cang said it, he regretted it.The purser seems to have passed out due to excessive blood loss, and he doesn't know what the situation is now.
"Where's the purser?" Xu Cang asked hastily.
"Still in a coma." The captain was quite helpless, he felt as if he hadn't done anything to help.
Xu Cang had expected this, and although he was rather disappointed, his performance was not strong.He was silent for a moment, looked at Takashi Kuroda who was also in a coma on the left, and suddenly said: "Now you can't come in to help, and I can't get out of my body and I don't have tools to restrain him. Just in case , I can directly."
Xu Cang didn't continue, but the captain understood what Xu Cang meant.In many cases, the energy consumed to subdue a person is far greater than directly solving a person.From Xu Cang's point of view, he doesn't have a rope, nor any other tool to tie Kuroda Takaji.Even if there is, it is impossible for Xu Cang to give up the control of the plane and spend a short time to control Takashi Kuroda.
Relatively speaking, it is a neat and simple way to solve it directly. In the storage box on Xu Cang's right hand side, there is a ballpoint pen left by the front co-pilot.A pen can do many things.
However, the captain persuaded after thinking: "I don't think you should do this. If you solve it directly while he is in a coma, you will be in big trouble after landing. Maybe you are not from here, of course, in other parts of the world In the region, certain cultures will denounce you afterwards, and the pressure will be very high."
Xu Cang pondered for a moment, and finally accepted the captain's statement.
The world has been peaceful for too long, so that there are more and more people with Mary feelings in today's society.They care for everyone with a love that transcends human morality, even if that person is an unforgivable criminal.If Xu Cang did something when Takashi Kuroda was unconscious, after landing, with the exposure of the incident, there is almost no doubt that Xu Cang would be dubbed a butcher by some people.
It's kind of a fucking thing, but it actually happens in this society.
Moreover, there is another thing that Xu Cang is more concerned about, and that is whether the current involvement involves legal issues.
To be honest, this touched Xu Cang's knowledge blind spot.
If Takashi Kuroda had dealt with it directly, there would undoubtedly be no legal problems.However, now that Takashi Kuroda has lost the ability to continue committing crimes, what is it to solve him at this time?
Many times, legal matters conflict with human intuition.
It's like legal self-defense.When the gangster cuts you for the first time, you fight back, that is self-defense.However, after the first slash, you strike back, which is an overdefense, because when you strike back, the opponent's harmful behavior has stopped. (Of course, not so harsh now.)
Isn't this rather counter-intuitive?
Whether it is from the perspective of public opinion or the law, there are considerable risks. After thinking twice, Xu Cang gave up the idea of directly solving it.
No way, since you still want to live in this society, you have to follow some of the rules, even if these rules seem unreasonable.
Soon, the plane descended to six thousand feet.After less than half a minute of level flight, the controller suddenly asked: "ANA45, are you accurately maintaining the corrected sea pressure at [-] feet?"
"Yes, what's the problem?" Xu Cang quickly glanced at the cockpit altimeter, which happened to be [-] feet.
In the control room, after connecting to the military radar data of the Self-Defense Forces, the altitude information on ANA Flight 45 returned to normal, showing [-] feet above.
"Does he really know what the altitude is?" The controller was quite surprised.Xu Cang seems to be able to solve the height problem by himself.
Xu Cang's reaction was quick. Just after the controller asked this question, he guessed: "Have you connected to the military radar?"
"Xu Cang, I have to guide you to the thirteen nautical miles on the fifth side of runway 27 of Yokohama Airport. Although you disagree with the use of military radar, I also have my position. I hope you can understand. This is my personal action. You have nothing to do. You are right, you can solve it, then I am relieved. Under normal circumstances, I will not provide you with radar data, and I will only remind you when there is an obvious deviation." The supervisor said: " In this way, if you approach normally, you don’t count as using military radar, and it has nothing to do with you.”
The supervisor said that the thirteen nautical miles on the fifth side of runway 27 of Yokohama Airport is a specific point.The control panel of ANA Flight 45 is broken, and the APP mode cannot be used, but the navigation panel is not broken, and the frequency of ILS on Runway 27 of Yokohama Airport can still be tuned, and the ILS signal can be accepted naturally, so that the localizer and the ILS can be formed on the PFD. Guidance on the glideslope.
Under normal circumstances, after you have localizer and glideslope guidance, you don't need to care about the altitude.Because in theory, the localizer and glideslope can guide the aircraft all the way to the runway, as long as the pilot's manipulation is fine enough.
However, the glideslope signal of runway 27 of Yokohama Airport has some problems, and there will be fluctuations at about [-] nautical miles, so it is definitely impossible to intercept the glideslope beyond [-] nautical miles on the fifth side.In the NOTAM issued by Yokohama Airport, it is also recommended to intercept the blind landing at a distance of [-] nautical miles to [-] nautical miles to avoid the area where the glideslope signal is unstable.
Therefore, the supervisor only needs to guide Xu Cang to the thirteen nautical miles on the fifth side of No. 27, and he doesn't need to worry about it later.
It's just that, to intercept an ILS at this altitude, it takes almost 25 feet to descend.The minimum safe altitude of [-] nautical miles around Yokohama Airport is [-] feet.If Xu Cang can't accurately maintain [-] feet, it means that Xu Cang can't maintain control of the altitude by himself. Unless Xu Cang can be guided by military radar behind him, the supervisor will not let him enter the vicinity of Yokohama Airport.
Although I don't know what method Xu Cang used, but Xu Cang did it. If you say [-] feet, then go down to [-] feet accurately, without any error.In this way, at least the supervisor is willing to guide Xu Cang to Yokohama Airport.
"Anything!" Xu Cang didn't care, and even added: "However, I feel that you may not be able to guide me down to three thousand feet."
"What do you mean?" The supervisor was startled, obviously not understanding what Xu Cang meant.
Xu Cang was not interested in answering this kind of question, but directly asked: "Now that the verification is completed, can you continue to guide me?"
Seeing that Xu Cang had no intention of answering, and it was difficult to ask why, the supervisor glanced at the radar screen and continued: "Now turn left and head to 300, continue descending to an altitude of [-] feet."
Since the navigation page was unavailable, Xu Cang couldn't see his relative position to Yokohama Airport.However, according to the heading given by the controller, Xu Cang felt that this was almost a direction that cut straight to the five sides.So decisively began to continue to lower the altitude, while continuing to deflect to the left.
At the same time, Xu Cang began to flip through the previous co-pilot's chart manual.Fortunately, Xu Cang still remembered the four-letter code RJHT of Yokohama Airport, so he quickly found the corresponding air chart.At this time, Xu Cang had to sigh what a great job it is to digitize the aeronautical charts of later generations, and it is really tiring to turn through the chart manuals.
However, after complaining for a short time, Xu Cang quickly found the ILS approach map of Yokohama Runway 27, and set the ILS frequency according to the instructions on the map.
The ILS of Yokohama Runway 27 is equipped with DME ranging. After the IDS frequency is tuned out, although there is no localizer and glideslope signal display because the distance is too far, the distance to the runway is displayed on the upper left corner of the PFD. up.
37 nautical miles!
Not far away!
Because it is completely manual operation, and the navigation page function cannot be used, Xu Cang didn't even select the approach procedure on the CDU, it was all radar guidance anyway.However, he ended up doing some very simple approach preparations, like setting the autobrakes and the like.
After estimating the time of landing in his mind, and talking to the cabin behind, Xu Cang has completely entered the working state.
Another thing that made Xu Cang happy was that the wind direction didn't seem to change much as the altitude decreased.This is still good for the subsequent calculation of the speed, at least it can save Xu Cang a lot of work.
After learning the expected landing time, the captain had asked the first-class flight attendant to make a passenger announcement.Although the feeling of this flight was very bad, after the danger appeared, the passengers in the cabin were chaotic, but in the end it did not develop to the point where it was out of control.
No matter what, it is finally about to land, and everything is about to end.
The captain did not turn around and wait in the cabin, but continued to stay on the flight attendant's seat.Suddenly, he seemed to hear some groans. He tilted his head and found that the purser lying in the front row of the first-class cabin seemed to have moved.
"woke up?"
The captain was overjoyed when he saw it, even though the flight attendant was wearing an oxygen mask when he was releasing the pressure.However, due to excessive blood loss, his physical condition was very poor, and the captain had no confidence in whether he could survive.Now that the purser has taken action, even if it is extremely slight, it is enough.
The captain hesitated for a while, thinking about the cockpit password that Xu Cang said earlier, he still took off his seat belt, and then walked two steps to the first-class cabin, the seat next to the purser.
At this moment, the captain can already see the situation outside through the porthole, and the ground can be clearly seen, which shows that the landing is indeed not far away.However, according to what I said to Xu Cang before, it seems that the hijacker may still wake up. To be on the safe side, he can open the cockpit door and go in to help Xu Cang completely subdue the hijacker. the best.
He knew that the purser was very weak now, but he still had a glimmer of hope and asked, "Purser, do you know the cockpit password?"
Xu Cang was naturally unaware of what happened in the cabin, including the fact that the flight attendant woke up and the captain asked for the cockpit password.After descending to 30 feet, Xu Cang found that the wind speed was already relatively weak, only a little over [-] knots, and it showed a relatively standard [-]-degree angle with the flight heading, which made it easy to calculate the corresponding surface speed.
Xu Cang is very familiar with the throttle and attitude of each stage of level flight, climb, and descent.After maintaining the altitude of 27 feet for a period of time, the localizer signal, which had not moved before, responded first and began to move slowly towards the middle, which indicated that the plane was extremely close to the fifth side of runway [-] of Yokohama Airport.
Since it was operated manually, Xu Cang also began to make a relatively small slope to turn left slowly to cut into the localizer gently while the localizer signal was gradually returning to the center.
At first, the director of the control room didn't understand what Xu Cang meant when he said that they couldn't guide themselves to three thousand feet.When the plane descended below 45 feet, the altitude information obtained by turning on the military radar immediately began to appear abnormal, and it was unable to follow the descent of ANA Flight [-] to display real-time altitude information.
When approaching the altitude of [-] feet, the altitude information disappeared immediately.
"What's going on here?" The supervisor was stunned, why is there no altitude information?He immediately greeted his assistant and asked him to ask what the reason was.
Within 2 minutes, the assistant came back and said awkwardly: "The over there said that due to the limitation of radar performance and some terrain factors, the detection capability is limited in the low-altitude range. This kind of altitude loss is normal."
"Normal?" The supervisor laughed angrily.Without Xu Cang's words, he might not have felt much. After all, due to the curvature of the earth and the influence of terrain obstacles, many radars are indeed not effective in low-altitude detection.However, with Xu Cang's words, it was almost like his own face.
However, before the supervisor got sulking, Xu Cang slowly turned left and cut into the localizer, which was immediately reflected on the radar screen of the area control room. I grabbed the control microphone directly: "ANA45, have you intercepted the channel?"
"Lane intercepted, ANA45."
"ANA45, contact Yokohama Tower 118.45, goodbye, and good luck." The supervisor let out a long breath.
Due to the poor ability of the civil control radar to detect ANA45 information, the area control directly took over the work of approach control, directly guided Xu Cang to runway 27 of Yokohama Airport, and then directly handed over to the tower control.
Xu Cang switched the radio frequency to the frequency of Yokohama Tower: "Yokohama Tower, ANA45, altitude 27 feet, channel [-]."
"ANA45, ground wind 280/03, visibility greater than 27 kilometers, runway [-] can land. The police and medical personnel are already in place. After landing, the runway will be occupied and the vehicle will be shut down on the spot. The people in the cabin must not get off the plane." After receiving the news, I immediately explained all the arrangements after landing.
In such a situation, it is definitely not possible to get off the plane first. Special personnel such as the police need to get on the plane first to fully control the criminals, escort them off the plane, and then organize ordinary passengers to get off the plane.
Xu Cang naturally knows this process clearly, and sometimes he will encounter it during emergency drills.
"Got it, runway 27 is ready for landing."
Hearing the ground wind given by the tower, Xu Cang couldn't help being overjoyed.This is basically facing the wind, and the speed can be calculated at once.
Since the plane cuts into the glideslope from a low place, after intercepting the localizer, it needs to level off for a while to intercept the glideslope.In order to land as soon as possible, Xu Cang has been delaying the flaps.Now, during level flight and other cuts into the glideslope, you can just slow down and lower the flaps.
Without even thinking about it, I just turned off the throttle and held the plane. After a little calculation of the speed, I felt that it was within the limit, so I put it on flap one first.
It is quite fast to slow down in level flight with a slow car. Basically, wherever the flaps are placed, the speed can be seen there, especially if the landing gear is placed at the rear, the deceleration will be faster, so there is no need to worry about not being able to decelerate.
Almost as soon as the landing configuration was established, the aircraft intercepted the glideslope.According to the previous prediction, Xu Cang used 130 flaps to land, and the speed was very low, only an approach speed of more than [-] knots.
As soon as the glideslope was intercepted, Xu Cang immediately pushed the throttle of the idle car to 52, and then pushed the rod slightly to reduce the posture so as to follow the glideslope.
At the moment when the glideslope was intercepted, an OM logo flashed in the upper left corner of the PFD, which means that the aircraft passed the outer beacon.As soon as this sign appeared, Xu Cang immediately pressed the clock on the plane to count down.
That's right, Xu Cang wanted to verify whether there was any problem with the ground speed.
On Runway 27 of Yokohama Airport, the distance between the inner beacon and the outer beacon is seven nautical miles, which is marked on the ILS map.Aircraft will have an OM indication when flying over an outer beacon and an IM indication when flying over an inner beacon.In this way, Xu Cang only needs to time the time between getting off the plane from the outer beacon to the inner beacon, and knowing the distance between the two beacons is seven nautical miles, then he can get the average speed of the plane between the two.
After mental calculation, use this average speed to compare with the ground speed. If you think about the same, it means that the ground speed is no problem.
If there is too much difference, then Xu Cang has to consider some relatively out-of-the-way ways of landing.
Just after Xu Cang counted the time, a beeping sound suddenly sounded from outside the door.This sound does not come from the cockpit, but from the cockpit door.In this era, many people may not understand this voice, but Xu Cang knows it clearly.
This is the movement of the cabin door locking system analyzing the password and starting to automatically unlock after entering the cockpit access code from the outside.
"Do you know the cockpit password?" Xu Cang's first thought was whether the captain had asked or remembered the cockpit password.
He glanced at Takashi Kuroda again, seeing that the distance was only five nautical miles, Xu Cang hesitated, pressed the cabin call button, or kept some energy to keep the plane on the standard glideslope: "Do you know the password?"
"Yes, the purser is awake." After waiting for a while, the captain's voice sounded: "This door seems to be waiting for a while, I will come in when it opens."
Outside the door, as Xu Cang expected, it was the captain who entered the cockpit access code.
After a lot of tossing just now, the captain obtained the password to enter and exit the cockpit from the mouth of the weak flight attendant.He didn't think much about it, he just wanted to open the door and give Xu Cang a hand.It's just that his movements are a little slow, almost falling to the ground.
"After entering the password, the electronic lock needs to wait for a while." At other times, Xu Cang let the captain in easily, but now it is very close to the landing, the captain is not fixed, it is still a bit dangerous .
After thinking for a while, Xu Cang still said: "Okay, come in as soon as you drive. However, the plane is about to land, so pay attention to your figure when you come in."
"I see!" The captain responded immediately.
At most, there will be more than a minute before landing. At this moment, the altitude is already very low, and the speed has also dropped to the minimum.The airflow on the final side of Yokohama Airport is very stable, and Xu Cang can maintain the standard localizer and glideslope even without much manipulation.
Xu Cang raised his head slightly and tried to look outside.The air current is still fierce, but it is far inferior to that at high altitude.He opened his eyes slightly, felt a little, and then quickly lowered his head again.
is acceptable!
Xu Cang estimated that he would be below fifty feet for a while, and after entering the air above the runway, he could still keep his eyes on the outside world.
Soon, after seeing the IM instructions, Xu Cang silently glanced at the timing on the clock, and then mentally calculated the average speed, which was almost equal to the ground speed.This undoubtedly proves that the ground speed display is correct, and you can use it safely and boldly after you land in a while.
At this moment, the plane was only a few hundred feet high.Feeling his icy body, Xu Cang's heart became hot uncontrollably.
Descending from a height of [-] meters, Xu Cang experienced hypoxia and cold, and was close to hypothermia.However, it finally landed safely.
Fifty feet high!
Xu Cang's manipulation is so precise, he can accurately and quickly follow the guidance of the blind landing all the way to the ultra-low altitude of fifty feet.
At this moment, there was a clicking sound, that was the sound of the lock being unlocked.After tossing and tossing for so long, the electronic lock was finally opened from the outside. It took a little longer, and the timing was not too good just as the plane was about to level off.
"Hurry up, the plane is about to land." Xu Cang ordered, but he didn't go back to look at anyone. He had already turned his field of vision outside. He felt that the plane's energy was enough, so he pulled back the accelerator and was about to level off. A sullen voice suddenly sounded in his ear: "It's too slow!"
It was this ghostly voice that made Xu Cang's hair stand on end, and he suddenly turned his head to look to the left.I don't know when, Kuroda Ryuji, who has been in a coma, has come to his senses, and holding a sharp knife in his hand, he stabbed at Xu Cang with a grinning grin.
At this moment, the plane was approaching touchdown, so Xu Cang raised his hand to block it, almost instinctively.Then no matter how the flesh body blocked the sharp blade, the sharp knife directly passed through Xu Cang's palm.
The severe pain in his palm almost made Xu Cang lose his sanity. Even Xu Cang lost control of the plane at this moment.
Since Xu Cang was leveling with his right hand, under severe pain, he couldn't give an accurate amount of leveling, but instinctively moved back.However, this kind of leveling without thinking is a big problem, because during the leveling, due to the drive of inertia, the right hand will unconsciously press the plate to the right during the leveling, so that the aircraft will form a right bank.
Even if Xu Cang flattened, but the amount of flattening was very small, the landing attitude of the plane did not appear at all, and it sank very fast.Because of the right bank, the right wheel of the aircraft touched down first.However, due to the large ground load caused by the rapid sinking, the right wheel of the plane burst directly at the moment of touchdown.
However, due to the heavy grounding, even though the right tire blew out, the plane still bounced up.
This time the plane bounced so high that if it touched down again, the plane would be smashed to pieces.
At this very moment, Xu Cang roared loudly, like a dying beast bursting out with a strong desire to survive, the five fingers of his left hand pierced by the sharp blade directly wrapped Kuroda Takashi's right hand, pulled it down, and then With a hard push, the two thrust handles are pushed to the front.
Under the roar, the two CFM56 engines exploded with powerful thrust again, and the plane on Xu Cang's right hand soared into the sky again at a huge elevation angle.
As the attitude of the plane suddenly changed to a high angle of elevation, Takashi Kuroda caught off guard and let go of the handle of the knife.Seeing this, Xu Cang withdrew his left hand, turned the main electric trim back to full with his right hand in an instant, then let go of the steering wheel, and pulled out the sharp knife that had penetrated his left hand with his backhand.
In an instant, Xu Cang shot a lot of blood with his left hand, but how could Xu Cang care about it?He directly switched the knife from his right hand to his left, and just grabbed the handle of the knife, the severe pain from the wound on his palm almost made Xu Cang faint.
But it was the severe pain that aroused Xu Cang's fierceness.This time, he didn't stay any longer, he stabbed down with the knife in his left hand, and directly inserted the sharp knife into Takashi Kuroda's right shoulder blade.
In an instant, the entire cockpit resounded with Kuroda Takashi's almost crazy roar!
(End of this chapter)
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