At this moment, Xu Qing felt that the source of all his fear did not come from the mountain that was close at hand, but from this plane that he couldn't figure out at all.

He was a pilot, he was a pilot, but now he couldn't figure out the plane he was flying, it's ridiculous, pitiful!

0.27 units per second is less than 30% faster than 0.2 units per second, which means that it is impossible for him to correct the head-down moment formed by the automatic trim at the same time.

"Master, the trim speed just now was 0.27, and we can't get it back." Xu Qing's eyes were about to split, and the hope he had just seen was inexplicably taken away, making him feel endless resentment.

Instructor Chang was stunned for a moment, and quickly figured out what 0.27 meant, although he didn't understand why the automatic trim could reach the speed of 0.27 just now, and he also knew what the speed of 0.27 meant, but he couldn't just give up.

"The old man hasn't lived enough, a broken plane is missing a little trim, I don't believe I can't bring it!" Instructor Chang burst out of Jedi courage out of nowhere, and with Xu Qing's gradually increasing electric trim, he actually pulled the plane back to a climbing attitude. Even the steering stick, which has been in a state of shaking the lever, seems to be strongly imprisoned by the instructor.

At this time, the green tendons on the back of Chang Instructor's hands were prominent, his eyes were covered with fine bloodshots, and his whole body didn't know if it was because of too much force, and his body trembled slightly.

Xu Qing saw that it was the mountain that was about to collide, and what he saw was the sky full of vitality on the mountain!

Ants are still stealing life, not to mention the primate of all things!

His face was furrowed, and the vicissitudes of time crushed his straight back, making him look a little rickety. It is said that the years are merciless, and there is only time that can bend his backbone, at least not including the mountain in front of him, not including this unknown plane!

Instructor Chang seems to have returned to the time when he was young on the military plane, fighting fiercely with the sky and competing with the blue sky, what kind of spirit, how high-spirited? Will you be planted on a small hill when you are old?

He will not allow it!

There was a gleam in Instructor Chang's eyes, and it was a glint he hadn't had since he retired from the army!

Teacher Chang's unshakable voice like a golden stone hit Xu Qing's eardrum again and again, deafening. Xu Qing smiled bitterly, death is really not something to get used to, even if 2.19 has passed by death, and now that he is revisiting the old place, he still can't stop the fear from the heart.

Just when Xu Qing's thoughts were flying, the mountain was almost about to occupy the entire cockpit's sight. But with the strength of Instructor Chang just now, the plane had already turned into a climbing state, and in an instant, the sunlight behind the mountain shone down, shining on Xu Qing's face, looking peaceful and quiet.

The moment the light of vitality appeared, Xu Qing's brows did not stretch.

It's close, it's close, they'll be able to cross this mountain, but it's just a little bit of height, and it's just a stone's throw away.

The throttle is already maxed out, and they have no extra power......

Turning head or empty......

The disappointment again could not shake Xu Qing's already somewhat numb heart, and he still maintained the action of leveling the electric gate and bringing the rod. The serenity of the sunlight seeping into his heart seemed to seep into his heart, there was no joy or sorrow, the personnel were exhausted, and it was only up to the will of God!

"500 feet!"

Now the plane is less than 500 feet away from the obstacle, that is, more than 200 meters, and it is still approaching rapidly, and within ten seconds at most, the plane will crash into the mountain.

In fact, the aircraft is very close to obstacle crossing, and only a little extra power is needed to complete the obstacle crossing, but unfortunately the blue sky 9433 has no extra power.

At this time, on the right side of runway 21, there is an oriental plane above the head of runway 03, and its position is closest to the blue sky 9433, as long as you look to the right, you can clearly see the blue sky 9433.

Judging from the aircraft in the east, the position of the blue sky 9433 is almost close to the mountain. Captain Dongfang, who had been reminded by the co-pilot, involuntarily got up slightly and looked at the blue sky 9433 below from the co-pilot's side.

"It's over!" Captain Dongfang muttered.

At the same time, passengers on the right side of the cabin also found Blue Sky 9433, but they did not realize the seriousness of the problem, but purely out of curiosity to find a new aircraft, picked up their mobile phones, zoomed in on the camera, and took a video.

On the plane, Xu Qing pinned his hopes on the Mandate of Heaven, however, the Mandate of Heaven was not fearful, and the Chang Instructor, who had been fighting with the sky for half his life, was willing to obediently tie his hands and arrest him, and the unyielding thought was exchanged for a spiritual light.

The cockpit suddenly sounded the roar of the instructor: "EEC hard backup!" ”

Xu Qing woke up suddenly, continued to control the main electric trim door with his right hand, and at the same time continued to hold the lever, unfastened the seat belt, pulled the seat back slightly, and was ready to get up to open the EEC electric door.

It was just the moment he got up that Xu Qing's afterglow found that another finger had been pressed, and he also reacted after hearing Teacher Chang's shout. The observer didn't need to pull the chair to the back, he just got up, so he was a little faster than Xu Qing.

The engine thrust of the 737 is controlled by the turbofan N1, and the determination of N1 is controlled by the EEC, which sets N1 to calculate a number of data, among which there is an important reference, that is, the Mach number.

EEC calculates the Mach number by collecting the total pressure, static pressure and total temperature from the inertial reference of air data. The total pressure is not available and the Mach number cannot be calculated. The absence of calculation and estimation of the Mach number leads to two EEC backup methods.

If the total pressure data is not available, the EEC will automatically switch to soft standby mode, and if the total pressure data is re-obtained within 15 seconds, it will be switched back to normal mode.

In soft standby mode, the EEC calculates the Mach number using the last effective temperature difference (the difference between static temperature and standard day temperature) so that the engine thrust does not change very much.

When the EEC works in soft standby mode for 15 seconds, and the throttle is within 19 degrees above the slow car, it will automatically enter the hard standby mode. Or the pilot directly presses the EEC electric door, Xu Qing and they use this method.

In hard standby mode, the EEC uses P0 (static pressure) to estimate the Mach number.

At the same time, in order to have sufficient thrust under all conditions, the outside atmospheric temperature assumed by the EEC has a maximum thrust requirement, that is, the EEC uses the inflection point temperature of the maximum speed of N1 as the outside temperature.

At this time, when the outside temperature is relatively high, the ultimate thrust will be generated in EEC hard mode that exceeds the maximum thrust, but it is easy to cause the engine to overheat.

Now that the situation is urgent, even if it is the danger of engine overheating, Chang Instructor has to fight!