BloombergCrash-Jet Investigators Recover Cockpit Voices Key to Probe
A handout picture made available by the French Aviation Authority BEA on March 25, 2015 shows the cockpit voice recorder (CVP) from the Germanwings A320 airplane that crashed in the French Alps on March 24, 2015.French air-accident investigators probing the loss of an Airbus A320 jet that crashed in the French Alps said voice recordings from the cockpit survived the impact, handing them vital clues in seeking to explain the tragedy.
While the so-called black box was damaged, the base unit containing its memory module remains intact and a usable data file has been extracted, Remi Jouty, director of the French BEA, which is leading the probe, said at a briefing in Paris.
“We have the entire flight recorded, but we haven’t analyzed all the sounds and speech on the file,” Jouty said Wednesday. “We hope to have the first rough ideas in a matter of days.” A full analysis will take months, he added.
Jouty said there’s currently no reason to think that a sudden depressurization -- advanced by some as a likely cause of the crash -- was to blame. The jet, operated by Deutsche Lufthansa AG’s Germanwings unit, seems to have remained intact until hitting the ground, since a mid-air explosion would have created a significantly wider debris field, he said.
French President Francois Hollande said earlier that the casing of the plane’s second flight recorder, which logs hundreds of data parameters, had been found, but not the contents. Jouty said he couldn’t confirm the device’s condition.
Crash experts will rely on the recorders, supplied by L-3 Communications Holdings Inc., to explain why it was lost on a routine daylight flight with no distress signals from the crew.
No Explanation“We do not yet have any explanation about the reason this plane went down and why the two crew didn’t answer messages to them from the control tower,” he said at the BEA’s Le Bourget base, where the voice recorder arrived at 9:45 a.m. local time.
The backgrounds of the pilots, their professional history and training will be examined as matter of course, Jouty said. He declined to say whether the voices on the recordings were those of the cockpit crew.
Search teams continue scouring mountain slopes for the data recorder after retrieving the voice recorder yesterday. The fortified boxes, actually painted bright orange to facilitate retrieval in the field, should give investigators a fuller picture of the accident’s cause when used in concert.
The Germanwings tragedy, which claimed the lives of all 150 people on board, has perplexed experts because the aircraft had only just settled into cruising altitude at 38,000 feet when it began a steep, unauthorized descent lasting more than eight minutes, while still following its flight path.
Impact ForceThere was no communication with the flightdeck despite several attempts from air traffic controllers on the ground, suggesting the pilots were either busy trying to salvage the plane or were incapacitated and unable to respond. The last contact with the plane was “routine,” he said.
Honeywell Inc., which also makes black boxes, said the jet seems to have crashed with a force equal to a Boeing 747 hitting the ground at 400 miles an hour and halting in 16 inches.
The A320, the backbone of many global fleets, was heading from Barcelona to Dusseldorf, having flown to the Spanish city earlier in the day. Germanwings is Lufthansa’s low-cost arm, and has never had an accident that killed all those on board.
“For us all at Lufthansa and Germanwings, let me say that it’s simply inexplicable how a technically flawless airplane with two experienced Lufthansa pilots, how such a flight can turn into such a tragedy,” Lufthansa Chief Executive Officer Carsten Spohr said today at Frankfurt airport.
To contact the reporters on this story: Gregory Viscusi in Paris at gviscusi@bloomberg.net; Andrea Rothman in Toulouse at aerothman@bloomberg.net - To contact the editors responsible for this story: Benedikt Kammel at bkammel@bloomberg.net Christopher Jasper http://www.bloomberg.com/news/articles/ ... l-to-probe