"Okay, Comrade Captain, I've written it down, you can continue." Zhou Hai perked up after hearing the words of the China Southern Airlines captain, and quickly wrote down the basic performance parameters. In his mind, he was thinking about the huge aircraft under him. Have basic understanding and concepts.
The giant metal bird beneath him embodies countless cutting-edge aviation technologies and combines the wisdom of geniuses.
"The cockpit uses a flat LCD display system, with a total of 5 LCD displays, which respectively display fuel data, inertial guidance and GPS positioning guidance data, altitude, airspeed, and horizon. It is equipped with a fly-by-wire flight control system, that is, fly-by-wire control. At the same time The hydraulic control system is left as backup."
The captain of China Southern Airlines knew that the situation was urgent and did not delay. He immediately explained the detailed data and information about the cockpit: "The landing gear switch is located directly in front of you, with the cabin management system next to it, the electronic power auxiliary system in the middle, the brake on the left hand, and the flaperon. The systems are all controlled by the flight computer, the electronic engine management system and the autopilot flight instruction system, and there are two LCD displays on the right side, which contain the flight information management system."
In the cockpit of the howling wind, Zhou Hai listened quietly, absorbing the detailed data and information about the Boeing 777-200 model explained by the captain of China Southern Airlines, and gradually mastered this giant metal bird weighing more than 200 tons.
Zhou Hai had known about the fly-by-wire control system for a long time and knew the principles and basic structure by heart, but this was his first real contact with the fly-by-wire control system instead of reading it from a book.
Zhou Hai did not take it lightly, but was much more cautious.
Because there were hundreds of passengers on the entire plane, including himself.
The captain of China Southern Airlines continued to explain: "If the fly-by-wire control fails, all flight control surfaces can be driven by hydraulics. The flight computer control screen is in the middle. The 777-200 has two generators, an auxiliary power unit generator and an auxiliary power system. , the two engines are Pratt & Whitney PW4000, even if one of them fails..."
"drop!"
At this moment, a sharp and urgent prompt sounded, interrupting the communication between the two. The electronic engine management system flashed a dazzling red light, and the second LCD screen on the left directly in front reported a fire accident in the right engine. tips.
The fire was detected by the flight computer immediately, and the fire extinguishing device successfully extinguished the fire, but the right engine had stopped and was no longer running.
Because the right engine caught fire and shut down, power output was terminated, causing the power of the entire aircraft to be reduced by half. The fuselage immediately lost balance, and the center of gravity shifted to the right, thus affecting the smooth flight attitude.
Changes in flight attitude, due to airflow and center of gravity shifts, will affect the flaperon system, causing the automatic pilot to fail.
Immediately afterwards, signal sensors and feedback sensors throughout the cabin collect data and transmit it to the flight computer central processor.
"Beep!" The autopilot flight system sounded the alarm again, and the central screen displayed the message that the autopilot had failed.
The right engine failed and the automatic driving failed. The whole process happened almost instantly, leaving no one with time to react.
"..."
Seeing this, Zhou Hai fell into silence. After a brief moment of daze, he did not dare to delay and quickly grasped the control panel and entered manual operation mode.
Press the control button of the right engine to manually shut it down and cut off the fuel supply. At the same time, push up the throttle valve to increase the fuel supply to the left engine and pull the lever to the left.
A stream of high-quality aviation fuel flows like a torrent along the fuel supply channel to the combustion chamber. The Pratt & Whitney PW4000 high-bypass ratio aviation turbofan engine on the left wing enters full-load operation, and the turbine inlet temperature rises to 1,300 At 100 degrees Celsius, a surging and terrifying power burst out.
With the left engine running at full load, the fuselage was tilted laterally to the right, with an inclination of about 4°. It could only stop tilting and did not return to horizontal flight. The flight altitude gradually dropped at a speed of three meters per second.
A single PW4000 turbofan engine can produce a high thrust of twenty-five tons at full power, but even this is of no avail.
In an instant, more than 300 passengers on the entire flight fell into panic again, and screams resounded throughout the cabin.
In the radio communication channel, the tower controller, who had heard the rapid siren, shouted anxiously: "Flight CZ8954, what happened?!"
"The right engine caught fire and was extinguished by the fire extinguishing device. The automatic driving failed, so I switched to manual driving."
Zhou Hai frowned, holding the control panel in his right hand, observing the airborne avionics system with both eyes, and reported to the Shicheng Airport control tower: "The right side of the fuselage is tilted 4° and is descending at 3 meters per second. It is very likely that our aircraft will not be able to Upon arrival at Shicheng Airport, if the situation deteriorates further, our plane will make an emergency landing at a nearby location, please give us emergency landing permission immediately."
"..."
After hearing Zhou Hai's words, the captain of China Southern Airlines, who had not yet finished speaking, opened his mouth as if struck by lightning and fell into silence.
The same goes for the airport control tower, which is silent.
The entire flight was in a bad situation, but now the right engine failed.
despair!
A sense of despair enveloped the hearts of everyone at the Shicheng Airport Tower, giving rise to a feeling of powerlessness.
Crash landing, the meaning behind this aviation term, is second only to the death of a plane crash.
Life or death is completely determined by God.
Moreover, where will the emergency landing be?
The routes from Harbin to Shicheng are all continuous urban agglomerations, densely populated areas, with a population density as high as 200 people per square kilometer.
On the entire route, there are almost no places where the Boeing 777 can make an emergency landing. The distance between Shicheng Airport and the flight is still more than 200 kilometers. It is impossible for the Capital Airport to make an emergency landing. This is especially true of Tiancheng International Airport, which is the only place that can meet the landing standards of the Boeing 777 and The nearest airport is Shicheng Airport.
"Flight CZ8954, the highest combat command center in the central theater here, has granted permission for your aircraft to make an emergency landing in case of emergency." At this moment, a slightly deep but powerful middle-aged male voice entered the dedicated airborne communication channel, and it seemed like what was going on, Grant Zhou Hai the authority and permission to make an emergency landing.
Zhou Hai held the control panel tightly and tried to stabilize the flight status of the fuselage. Hearing these words, he breathed a sigh of relief and immediately responded: "Yes, my plane has received it, and I am trying to fly to Shicheng Airport."
"Call flight CZ8954. Three of our aircraft are ordered to escort you throughout the entire journey." Immediately afterwards, another voice sounded on the radio: "Brother, you are doing well. Come on, you have not lost the face of our Air Force."
"I received it on my phone, thank you very much."
"Buzz!"
In the clear blue sky, three J-10 fighter jets with silver gray Bayi paint pierced the sky like eagles. When they were about three kilometers away from the flight, they left the supersonic flight state and lowered their altitude to the same level as the entire aircraft. Keep a safe distance on the flight, two on the left and one on the right, maintain order, and escort the flight.
