IAC completes the deciphering of FlyDubai plane's flight recorder

May 16, 2016 Interfax
Boeing-737-800
The crash site of the FlyDubai Boeing-737-800 passenger jet which crashed on landing in Rostov-on-Don airport. Source: Sergey Pivovarov/RIA Novosti

The headquarters of the Interstate Aviation Committee (IAC) has completed the deciphering of the flight recorder from the FlyDubai Boeing that crashed in Rostov, the IAC reported on its website.

"In the period between April 28 and May 12, the work to decipher the data from the flight recorder (a total of two hours three minutes and 49 seconds) was completed at the headquarters of the Interstate Aviation Committee in cooperation with representatives of the U.S. and the UAE. The voices of the crewmembers were identified with help from Flydubai pilots. The protocol of the data has been provided to the investigation commission," the report says.

During the visit, the chairman of the investigative commission and authorized representatives of the states informed each other about the current work that is being done and determined further areas of the work to continue the investigation.

The sides will continue regular contacts and information exchange in accordance with ICAO standards.

In its interim report of April 20 on the outcome of the investigation into the Boeing crash in Rostov-on-Don, the IAC confirmed that the crash was the result of a dive caused by the pilots pushing the steering column, but did not determine the motives for these actions.

"At a height of 900m there was a simultaneous control column nose-down input and stabilizer nose-down deflection from -2.5 deg (6.5 units) to +2.5 deg (1.5 units) [...] As a result the aircraft, having climbed to 1,000 meters, turned into descent with a negative vertical acceleration of -1g," a report posted on the IAC website says.

However, the report does not explain the motives for the pilots' actions.

The document states that the investigation commission, among other things, plans to study the psychological, emotional and physiological state of crewmembers with regard for the data on the work and rest regime.

A source familiar with the situation earlier told Interfax members of the commission investigating the Boeing crash in Rostov will closely study the psychological portrait of the plane captain.

The Interstate Aviation Committee earlier said the energetic descent of the Boeing at the Rostov airport on March 19 was caused by control column nose-down input.

The IAC said in its report that the plane stabilizer departed by 5 degrees to a dive at an altitude of 900 meters when the crew pushed the steering column, turning the plane into a descent with a negative vertical acceleration of -1g.

The FlyDubai Boeing-737-800, which was en route from Dubai to Rostov-on-Don, crashed in the early hours of March 19 during landing. All 62 people abroad (55 passengers and seven crewmembers) were killed.

IAC: FlyDubai Boeing was landing in manual mode>>>

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