One of the two black boxes of the China Eastern Airlines plane which crashed on Monday March 21 in the mountains of southern China has been found, announced this Wednesday March 23 to the press a representative of the Chinese administration of civil aviation (CAAC).
The aircraft, a Boeing 737-800, was on a flight between the cities of Kunming and Guangzhou. He was carrying 132 people, 123 passengers and nine crew members. One of the two black boxes of the China Eastern Airlines plane which crashed on Monday March 21 in the mountains of southern China has been found.
Cockpit voice or flight data
The “Cockpit Voice Recorder” (CVR), which works like a tape recorder, contains two hours of audio recording of conversations and noises in the cockpit: discussions between the pilots, communications with the crew, but also ambient noises in the cockpit. aircraft, including possible alarms thanks to four audio recording tracks. The most recent models allow 25 hours of recording.
The “Flight Data Recorder” (FDR) records the flight parameters (speed, altitude, engine speed, inclination, trajectory, etc.) second by second over a period of 25 hours.