Chapter 127 Come to our Shanhang! (Please subscribe!)

At some point, Xu Cang had already stood up from his seat. As soon as he had changed dramatically from the wind direction, Xu Cang woke up from his scattered state and raised his vigilance.

It is not that severe changes in the wind direction will lead to similar serious consequences such as wind shear. The occurrence of wind shear needs to meet certain standards. It can only be said that the change in the wind direction is that there is a relatively high possibility of wind shear consequences.

However, even the wind shear will not cause Xu Cang too much reaction. At least it is not the kind of direct intervention. After all, this kind of direct action that is not present is actually a very bad action.

Therefore, when the wind shear warning sounded, Xu Cang looked behind him. He felt that after he had known the eleven-meter uncertain wind and the unstable airflow of the front plane, no matter what, as a competent captain, he should have a plan to encounter wind shear in his heart, that is, he knew that there was a certain probability that he would hit the wind shear at a low altitude.

There is a huge difference between being prepared and not being prepared during flight. Many unsafe events are caused by excessive panic in the crew due to excessive panic.

To be honest, in Xu Cang's perception, if a captain cannot handle wind shear while being prepared, there will undoubtedly be doubts about the rationality of the captain's qualifications.

However, one thing Xu Cang was wrong, that is, there was a deviation in the intensity of this wind shear.

Before the airplane showed a wind shear warning, the airplane's speed dropped like mercury when the wind was turned into a tailwind in an instant. The captain once consciously raised the throttle in order to fill the speed, but the accelerator increased the throttle to more than 80, and the momentum of airspeed decline was not completely stopped.

At this time, Xu Cang could feel that the wind shear would be stronger this time, but he still did not have enough understanding of it. Until the sound warning of wind shear appeared, the captain added the accelerator to the maximum as soon as possible, but the plane still couldn't stop falling down, Xu Cang realized that the intensity of this wind shear was very high.

Generally speaking, when the throttle is added, the speed and height must be increased. If the wind shear is a little weaker, it will last for less than five seconds, and it will not feel much in the body.

For a slightly stronger moderate wind shear, even if the speed and altitude cannot increase at the same time after the maximum thrust is used, at least one of the data can produce a significant growth attitude. Although the aircraft in this case needs to be stalemate with the wind shear for more and longer periods, it is generally acceptable. Therefore, whether it is altitude and speed, it is in a sense, and as long as one increases, it means that another data on the lower side can be compensated by crew manipulation.

In conventional flight training, most of the wind shear intensity will be moderate. Because many mild wind shear not only last for a short period of time, it may be similar to a more serious bump in intensity. If the reaction is slower, you don’t even need to change it.

The most difficult and dangerous thing is severe wind shear, that is, under maximum thrust, the speed and altitude of the aircraft will not increase significantly. At this time, the pilot needs to make choices in some cases, and this kind of choice will be extremely dangerous, similar to the way the knife dances.

Not to mention safety regulations, Xu Cang doesn't want to get started even in terms of personal emotions. If someone takes action when he is manipulating it, it will cause him to be very disgusted. Until Xu Cang discovered that the captain started to push the pole in order to suppress the shaking pole. He knew that it was already serious about flight safety and had to intervene.

The stall shaking rod and the pinch rod reduce the angle of attack of the aircraft is almost a very direct conditioning reflex for the pilot. This is rooted in the hearts of any pilot, and it has been like this since the aviation school.

Especially in the captain's mind, stalling at such a low altitude will be extremely dangerous. Even the most superb pilot needs to lose a certain altitude to change the stall. This is an objective law and has nothing to do with the pilot's ability.

Therefore, even though it is known that pushing the rod at a low height is also a very risky move, the captain still luckily felt that at a relatively higher height, the shaking rod should be suppressed by pushing the rod, and then the pushing rod should be removed after the change is made.

However, under such severe wind shear, the shearing of the wind instantly turned into a tailwind, and the aerodynamic performance of the aircraft was unimaginably weakened. At this time, the so-called height of less than a thousand feet is actually not considered residual at all. Any so-called intentional act of pushing the pole will wipe out the already weak height space.

Therefore, Xu Cang had to stop the captain's behavior as quickly as possible. He stared at the captain coldly: "Do you really know how to fly the plane? At such a low altitude now, if you dare to push the pole, just focus your mind above the pitch limit indicator. Can you do it? If you can't do it, let me fly!"

Xu Cang's request was very accurate. Even if the aircraft's attitude is accurate and the pitch limit indicator is above the pitch limit indicator. It cannot be lower than the pitch limit indicator. If it is lower, it is the same as the captain's approach just now. It can change the stall, but it will lose the height very quickly. However, it cannot completely ignore the pitch limit indicator, and change the maneuver according to the wind shear, and follow the flight guidance. Because, once the pitch limit indicator is completely ignored and follow the guidance, it means that the crew needs to give a relatively obvious continuous movement with the rod. Of course, the amplitude of the upward posture will change continuously, but it is basically a posture that is significantly larger than the pitch limit indicator.

If you follow the flight guidance, this pitching attitude is too great for today's aircraft. The speed of the aircraft will be consumed in an instant, thus truly entering a stall state.

At real speed, the turbulence generated by the aircraft will greatly reduce the lift of the wings, and finally the aircraft will fall down straight. Xu Cang will definitely not allow the aircraft to have such a situation.

The pitch limit indicator has too small postures and the flight guidance postures are too large. One is related to height and the other is related to speed. Now there is no wealth in altitude and speed, and there is no increase in momentum under the maximum thrust due to the exaggerated aerodynamic performance. Therefore, in this case, the so-called idea of ​​normalizing one of the data should be given up.

Because, the efforts to do so are not only futile, but also cause another data to create an uncontrollable risk.

"Then I don't care about the shaking rod, and the speed?" The captain obviously didn't understand Xu Cang's thoughts yet, and was still struggling with the problem of too small speed.

"You are still thinking about these questions now?" Xu Cang knew that the captain had fallen into a dead end of his mind, and seemed to have given up on the idea of ​​convinced the captain at this moment.

However, if the captain still kept grasping the driving wheel during Xu Cang's intervention, it would have a great impact on Xu Cang's manipulation.

But at this moment, Di Qingquan shouted: "Let him manipulate it and let it go!"

The captain was obviously stunned for a moment and looked at Di Qingquan unimaginably, but in the end, he let go of the driving wheel as Di Qingquan asked.

In this way, Xu Cang was completely liberated. Although he could only allow him to control the driving wheel with one hand, this was obviously enough.

It is impossible to normalize the altitude and speed of the aircraft in such a severe wind shear. Therefore, what Xu Cang needs to do is not to correct the speed of the aircraft, but to maintain the current limit data through this altitude wind shear area.

Xu Cang kept the aircraft's quasi-centered center stuck above the pitch limit indicator. Although the aircraft's speed could not rise under maximum thrust, as long as there was no obvious belt rod action, the aircraft's speed would not decrease. It just swayed back and forth at the top of the speed red and black belt. This speed change was something Xu Cang was willing to see.

After Xu Cang took over the plane, he said that he wanted to stick the center of the quasi-center above the pitch limit indicator, which was really motionless. You must know that under such a strong wind shear, the plane will experience continuous, high intensity and unknown posture changes, and not only pitch, but also rolling.

However, in such a bad situation, the plane was on the pitch limit indicator and could not move. If it weren't for the ND display, the captain would have thought there was a problem with the plane's PFD.

To be honest, the captain believed that he was not very good at National University Airlines, but at least he was above the captain's standard line. However, compared with Xu Cang, it felt that it was not a little worse. Even the old instructor with extremely rich experience in National University Airlines would not be so exaggerated. This plane was like a robot.

Moreover, from beginning to end, the plane's wheel was in a shaking state. It was very unfavorable for grasping, but it seemed to have no effect on Xu Cang's manipulation.

No, even the most sophisticated autonomous driving cannot be so terrible, right? Moreover, Xu Cang's appearance seems to be not very old. Could it be that he is the young handsome man from which company?

Since Xu Cang started to take over the plane, the descent rate of the aircraft has been quite unstable, and it has been floating from a descent rate of 1,000 to 500, and the maximum is not more than 1,500 feet.

However, at a height of only a thousand feet above the ground, such a descent rate was already very terrible. However, Xu Cang was like a rock that had not changed for thousands of years, and seemed to have no change in his expression. Xu Cang could even divide his energy into visual reference to the runway ahead.

As time goes by, the people in the cockpit may clearly feel that the ups and downs of the plane have become much smaller. The captain was immediately delighted, and the speed and descent rate of the plane have also begun to stabilize.

"It's coming out!" The captain looked down at the altimeter. Now the AFE is only more than four hundred feet away: "Do you want to fly again?"

"Down!" Xu Cang saw that the speed began to rise and the decline rate began to zero, so he directly closed the accelerator a little and patted the captain's shoulder: "You take over, come out."

The captain said oh and quickly took over the aircraft to control it. At this time, the aircraft did not have a large deviation in the course, but it was higher on the downhill, approaching a point, but it was still at the level that could be corrected.

"Please close the guidance!" Xu Cang said casually, then sat back to his seat.

Just now, because I pressed the TO/GA power gate, the aircraft's guidance is no longer directed along the blind landing signal. If the pilot instinctively refers to the flight guidance, he will definitely have to break away from the standard downward trajectory faster.

Of course, Di Qingquan understood what Xu Cang meant, but he didn't expect Xu Cang to land. Because this situation usually requires re-flight, but the deviation of the plane is not to be corrected at this moment. Continuing to land is really nothing, but it is necessary to directly enter the visual stage later.

Close the guidance gates on both sides and point to the runway: "Fly and see!"

The captain had no meaning, and such a deviation was indeed not large for him, so he closed the accelerator a little again, pushed the downswing, and caught up with the downswing at a rate of about a thousand feet. Moreover, the action of this push rod also caused the aircraft speed to begin to increase, and eventually gradually approached the reference speed selected on the CDU approach page.

Seeing that the plane's deviation was being quickly corrected, Di Qingquan nodded quite satisfied. The captain of National University of Aviation was still quite solid in his basic skills, and the deviation was quite skillful in correcting it.

Seeing that the plane was basically in normal condition, Di Qingquan reported the tower: "National University 1344 encountered severe wind shear at 800 to 400 feet above the ground. It has been changed and will continue to land."

"National University 1344, received it, thank you for your feedback." The tower paused: "Muhua 5123, have you received relevant information? Have you continued to approach?"

The second half of the sentence is obviously not what Xu Cang and the others said, but what Muhua Airlines plane following Xu Cang. Heavy wind shear is not a joke, it has already involved the issue of whether it can be landed.

However, the decision to land is still done by the crew. Because wind shear is actually quite subjective, the wind shear just now must be severe for most pilots. The aircraft speed needs to be maintained below the shaking bar speed before it can pass through barely. This requires extremely excellent technology, and a serious safety accident will occur if you are not careful.

However, for Xu Cang, this is just a little difficult to deal with, and everything is easy to do.

Without almost no waiting or hesitation, the crew of Muhua Airlines immediately said: "We chose to stop approaching. The tower, how can we fly now?"

Generally speaking, if it is not lower than the height of the ground, choose to stop approach rather than go back. The way to stop approach is simpler than go back, and there is no need to start a sharp climb in a posture.

Because approaching is aborted, sometimes there is no need to perform a standard re-flight procedure. At this time, you need to consult how the tower should fly in the future.

"Muhua 5123, keep the height of the course on one side to correct the sea pressure of 3,600 meters, and correct the sea pressure of 1009."

"Keep the height of the course on one side to correct the sea pressure of 3,600 meters, correct the sea pressure of 1009, Muhua 5123!" After returning to the tower, a slightly older voice came to the channel: "Brother from the National University in front, thank you!"

It is very dangerous to switch severe wind shear to any pilot, and National University of Technology has wadeed water for them.

Di Qingquan did not answer, but quickly looked at the speech button to indicate that he knew.

"Their luck is really good." Xu Cang laughed and teased Di Qingquan: "I feel that your bureau should thank me for once, reducing your work burden."

Di Qingquan snorted: "It seems that you think the wind shear change just now is difficult to deal with except for you."

"At least 70% of the captains can't solve it. But I don't know what the final result is, if the plane crashes or lands outside the runway, I don't know much about it. Of course, whether it crashes or lands outside the runway, you should have a headache." Xu Cang smiled: "So, you should thank me."

Di Qingquan didn't answer the conversation, just said no. The captain on the left was frightened. Are all young people so crazy nowadays?

The subsequent landing was quite smooth. I have to say that National Airways is worthy of being the number one airline in China. The quality of this pilot is indeed excellent, but it is a bit rigid.

After the plane landed, it took about fifteen minutes to taxi. This is why Xu Cang didn't like large airports very much, and it took too much ground time.

After cutting the engine in place and connecting the APU power, Di Qingquan started packing up his things and preparing to go down. The captain could not leave yet, and he had to wait until all the passengers were all gone before the captain could leave.

Before getting up, Di Qingquan thought of some things and instructed the captain: "If your company's safety supervision department causes trouble for you afterwards, you can solve it. If it is more difficult, just let them come to me directly. Do you understand?"

Xu Cang's wind shear treatment method just now was a bit out of the norm, and it was more bold to directly land after the final modification. If the quality center and safety supervision department of National University of Aviation were all a bunch of mediocre talents, they would probably find trouble.

However, the current civil aviation environment is relatively relaxed. If the captain can solve the problem himself, Di Qingquan would not bother to intervene. But if the captain can't solve the problem, Di Qingquan would still have to help him talk.

"I know! Thank you, Chief Commander!" The captain was overjoyed when he heard this. This was a gold medal for avoiding death. When he was skating just now, he was still a little worried, and now he really had no worries.

"Let's go!" Di Qingquan patted the captain's shoulder: "We will leave first if we have something to do, and we will leave it to you later."

The captain was flattered and hurriedly said, "Chief, let's go out with our car."

"No!" Di Qingquan shook his head: "There is a car coming to pick it up in the bureau."

As he said that, Di Qingquan waved to Xu Cang: "Let's go!"

Xu Cang had long been sore in his waist and back, so he got up and put away his seat and walked out. The two packed up their things and went down the apron along the side of the bridge. When they got off, the Civil Aviation Administration's car had not arrived yet, but fortunately they could stand under the bridge to shelter from the rain.

However, Di Qingquan was the chief pilot of the General Administration, but the cars connected to their inner yard were not on time, so Xu Cang even joked about Di Qingquan for this, which made Di Qingquan very embarrassed.

I don’t know if it was because it was frozen in the Jade Dragon transportation mission. Although it was raining in Hanjing, it was not actually cold, but Xu Cang always felt chilly.

Just as Xu Cang was hesitating whether to go back to the bridge first, Di Qingquan asked: "Why did you land just now?"

"Do you think the area of ​​wind shear is limited to the approaching area? We have clearly passed through the wind shear belt. If we fly again, we should go in again?" Xu Cang put his hands in his pockets, looking quite casual: "Although it's not a big deal, we won't cause trouble for ourselves, right?"

Di Qingquan smiled and said, "But, that level of wind shear is indeed very dangerous, but it is not impossible to solve it for you."

"But I'm tired." Xu Cang rolled his eyes.

Di Qingquan was speechless when he was choked, but he quickly adjusted his emotions and asked seriously: "What do you think of the captain just now?"

"Ah?" Xu Cang didn't expect that he would actually ask him to evaluate the captain of the National University Airways just now, so he casually said: "I'm a little bored, but it's okay."

Di Qingquan glared at Xu Cang fiercely: "I mean technology, the skill in my hand."

Di Qingquan's current appearance reminded Xu Cang of the time when Teacher Mo Shangyun forced him to evaluate his position as a mate on duty.
To be continued...