Searchers recover 2nd Air Asia black box

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JAKARTA, Indonesia (CNN) – Searchers have now recovered both the black boxes from AirAsia Flight QZ8501 and may have located the fuselage of the plane, an Indonesian official said Tuesday, adding more pieces to help solve the puzzle of what caused the disaster.

The fuselage, or main body, of the plane is believed to have been found northeast of where the tail section was previously by a ship scanning for wreckage, said Supriyadi, an operations coordinator at Indonesia’s national search and rescue agency who goes by only one name.

But he said he hasn’t seen the full report on the reported discovery yet — and it hasn’t been confirmed so far by the head of the search and rescue agency.

The discovery of the fuselage would be a significant development, as officials have suggested that many of the bodies of the people on board the plane are likely to be found with it.

A total of 48 bodies have so far been recovered from the sea, some of them still strapped into seats. But that leaves more than 100 missing.

 The overwhelming majority of the people on Flight QZ8501 were Indonesian. There were also citizens of Britain, France, Malaysia, Singapore and South Korea.

Black boxes contain the what and the why

On Tuesday, divers also retrieved the cockpit voice recorder, which is designed to retain all sounds on a plane’s flight deck.

The device, which is now aboard a ship, is expected to help investigators understand what went wrong aboard Flight QZ8501, which went down in the Java Sea last month with 162 people aboard.

A day earlier, searchers recovered the plane’s other key information source, the flight data recorder, which stores a vast amount of information about the aircraft’s performance, including air speed and cabin pressure.

The flight data recorder tells investigators what happened on a plane, but the cockpit voice recorder tells them why, said Mardjono Siswosuwarno, a senior official at Indonesia’s National Transportation Safety Committee, which is leading the investigation into the disaster.

“The why is mostly in there,” he said of the voice recorder, which captures conversations between pilots, as well as other sounds in the cockpit.

Analysis of data to take months

The flight data recorder has already been taken to a lab in Jakarta, the Indonesian capital, for analysis.

Downloading the data only takes about an hour, Mardjono said, but interpreting the information requires much more time.

He said he expected a preliminary report to be released within a month of the crash, which happened on December 28 as Flight QZ8501 was headed toward Singapore from the Indonesian city of Surabaya.

But the final report will take months, he added.

The agency’s final report into Adam Air Flight 574 — which crashed in Indonesian waters on New Year’s Day, 2007, killing all 102 people on board — came out more than a year after that disaster.

Mardjono said the plane’s flight data recorder was in good condition after being pulled out of the water from under the debris of a wing on Monday.

Did plane break apart on impact?

The recovery of the flight recorders took place after the plane’s tail was lifted from the waves on Saturday.

Observers have suggested that the locations of the different parts of debris indicate the plane broke apart when it hit the water, not when it was still at a high altitude.

Supriyadi, the Indonesian search official, said Monday that the debris patterns suggest the aircraft “exploded” on impact.

But the country’s transportation investigators said it was premature to say what had happened, and one expert questioned the search official’s choice of words.

“The word ‘exploded’ I think maybe loses a little bit in translation,” said David Soucie, a former Federal Aviation Administration safety inspector. “I think really what he’s meaning is a rupture from the impact itself.”

“As with any hollow object hitting something very hard, the pressure differential between the outside and the inside is very significant and it’ll actually tear apart the aircraft on the top, Soucie told CNN. “That may be what he’s referring to.”

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