Thursday, October 21, 2021

Voice recorder of crashed passenger jet found, Indonesia says

The cockpit voice recorder could provide vital clues to what the desperate crew was saying when the flight from Jakarta to Pontianak in Borneo went down.

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The cockpit voice recorder from a crashed Indonesian jet has been retrieved, officials said Wednesday, more than two months after the airliner plunged into the sea killing all 62 passengers and crew.

The CVR records flight crew conversations and could offer critical clues about why the Sriwijaya Air Boeing 737-500 dived around 3,000m into waters off Jakarta just minutes after takeoff on Jan 9.

The jet’s flight data recorder, which gauges speed and altitude, was earlier plucked from the wreckage-littered Java Sea.

Authorities said Wednesday they would mine the retrieved recorder’s data in the hopes of learning what the crew was saying when the flight from the capital to Pontianak in Borneo went down.

The device was found Tuesday evening on the last day of an operation that used dredging equipment to comb the muddy seabed, after the dive search failed to locate it, they said.

“It was like trying to find a needle in a haystack,” Soerjanto Tjahjono, head of Indonesia’s National Transportation Safety Committee, told reporters as the recorder was displayed at Jakarta’s main port.

“But without the CVR, it would be very difficult to find the cause of the Sriwijaya Air accident.”

A preliminary report into the crash last month said crews on previous flights had described the jet’s throttle system as “unserviceable” and that it had been repaired several times before its fatal final flight.

The report said a catastrophic throttle malfunction and possible human error were among the factors being considered.

But investigators had said it was too early to pinpoint a cause.

The 737 had sharply deviated from its intended course just before its plunge.

Despite appeals from air traffic controllers, the crew – including an experienced captain – did not respond to questions about the sudden change of direction.

The 26-year-old plane was flown by US-based Continental Airlines and United Airlines before it was purchased by Sriwijaya, which flies to destinations in Indonesia and across Southeast Asia.

Indonesia, a vast archipelago that relies heavily on air transport to connect its thousands of islands, has suffered a string of deadly plane crashes in recent years.

In October 2018, 189 people were killed when a Boeing 737 MAX jet from Lion Air plunged into the sea.

That accident – and another in Ethiopia – led to the worldwide grounding of the 737 MAX over a faulty anti-stall system.

The 737 that crashed last month was not a MAX variant.

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