A cockpit voice recorder badly damaged when a German jetliner smashed into an Alpine mountainside and a crucial two-minute span when the pilot lost contact are vital clues into what caused the plane to go down, killing all 150 people on board, officials said Wednesday.
Helicopters surveying the scattered debris lifted off at daybreak, hours ahead of the expected arrival of bereaved families and the French, German and Spanish leaders. The flight from Spain to Germany went into an unexplained eight-minute dive ahead of crashing Tuesday morning.
Crews were making their way slowly to the remote crash site through fresh snow and rain, threading their way to the craggy ravine. On Tuesday, the cockpit voice recorder was retrieved from the site, French Interior Minister Bernard Cazeneuve said.
”The black box is damaged and must be reconstituted in the coming hours in order to be useable,” Cazeneuve told RTL radio.
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Key to the investigation is what happened during the minutes 10:30 and 10:31 a.m., said Segolene Royal, a top government minister whose portfolio includes transport. From then, controllers were unable to make contact with the plane.
The voice recorder takes audio feeds from four microphones within the cockpit and records all the conversations between the pilots, air traffic controllers as well as any noises heard in the cockpit. The flight data recorder, which Cazeneuve said had not been retrieved yet, captures 25 hours’ worth of information on the position and condition of almost every major part in a plane.
Royal and Cazeneuve both emphasized that terrorism is considered unlikely.
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Indian Prime Minister Narendra Modi took to Tweeter to express sorrow over the air crash involving a German airliner in France.
Investigators retrieving data from the recorder will focus first ”on the human voices, the conversations” followed by the cockpit sounds, Transport Secretary Alain Vidalies told Europe 1 radio. He said the government planned to release information gleaned from the black box as soon as it can be verified.
Victims included two babies, two opera singers, an Australian mother and her adult son vacationing together, and 16 German high school students and their teachers returning from an exchange trip to Spain.
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In Seyne-les-Alpes, locals had offered to host bereaved families because of a shortage of rooms to rent, said the town’s mayor, Francis Hermitte.
The Airbus 320 operated by Germanwings, a budget subsidiary of Lufthansa, was less than an hour from landing in Duesseldorf on a flight from Barcelona when it unexpectedly went into a rapid eight-minute descent on Tuesday. The pilots sent out no distress call and had lost radio contact with their control center, France’s aviation authority said.
Germanwings said 144 passengers and six crew members were on board.
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In Washington, President Barack Obama said his thoughts and prayers were with Germany and Spain after what he called the “awful tragedy”.
French President Francois Hollande tweets his condolences:
Je veux exprimer aux familles des victimes de cet accident aérien toute ma solidarité. C’est un deuil, une tragédie.
— François Hollande (@fhollande) March 24, 2015
Airbus reacts on Twitter:
We have been informed of an accident involving an A320 Family aircraft and all efforts are now going towards assessing the situation. — Airbus (@Airbus) March 24, 2015
The aircraft was delivered to Lufthansa in 1991, had approximately 58,300 flight hours in some 46,700 flights, Airbus said. The plane underwent a routine check in Duesseldorf on Monday, and its last regular full check took place in the summer of 2013.
The A320 plane is a workhorse of modern aviation, with a good safety record.
The last time a passenger jet crashed in France was the 2000 Concorde accident, which left 113 dead.
