Lion Air voice recorder details pilots’ frantic search for fix before fatal plane crash: sources – National


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The pilots of a doomed Lion Air Boeing 737 MAX scoured a handbook as they struggled to know why the jet was lurching downwards, however ran out of time earlier than it hit the water, three folks with data of the cockpit voice recorder contents stated.

The investigation into the crash, which killed all 189 folks on board in October, has taken on new relevance because the U.S. Federal Aviation Administration (FAA) and different regulators grounded the mannequin final week after a second lethal crash in Ethiopia.

READ MORE: Ethiopian Airways black field information exhibits ‘clear similarities’ with Lion Air crash, ministry says

Investigators analyzing the Indonesian crash are contemplating how a pc ordered the airplane to dive in response to information from a defective sensor and whether or not the pilots had sufficient coaching to reply appropriately to the emergency, amongst different elements.

It’s the first time the voice recorder contents from the Lion Air flight have been made public. The three sources mentioned them on situation of anonymity.

Reuters didn’t have entry to the recording or transcript.

A Lion Air spokesman stated all information and data had been given to investigators and declined to remark additional.

A cockpit voice recorder, the second black field of Lion Air flight 610, is taken out of water by Indonesian personnel in Karawang, West Java province of Indonesia, Jan. 14, 2019.

Zulkarnain/Xinhua by way of ZUMA Wire

The captain was on the controls of Lion Air flight JT610 when the almost new jet took off from Jakarta, and the primary officer was dealing with the radio, in keeping with a preliminary report issued in November.

Simply two minutes into the flight, the primary officer reported a “flight management downside” to air visitors management and stated the pilots meant to take care of an altitude of 5,000 ft, the November report stated.

Chilling video captures final moments of Lion Air passengers

The primary officer didn’t specify the issue, however one supply stated airspeed was talked about on the cockpit voice recording, and a second supply stated an indicator confirmed an issue on the captain’s show however not the primary officer’s.

The captain requested the primary officer to verify the short reference handbook, which accommodates checklists for irregular occasions, the primary supply stated.

WATCH: Crashed Lion Air jet was “not airworthy” on prior flight

For the following 9 minutes, the jet warned pilots it was in a stall and pushed the nostril down in response, the report confirmed. A stall is when the airflow over a airplane’s wings is just too weak to generate elevate and hold it flying.

The captain fought to climb, however the laptop, nonetheless incorrectly sensing a stall, continued to push the nostril down utilizing the airplane’s trim system. Usually, trim adjusts an plane’s management surfaces to make sure it flies straight and stage.

“They didn’t appear to know the trim was shifting down,” the third supply stated. “They thought solely about airspeed and altitude. That was the one factor they talked about.”

Boeing declined to touch upon Wednesday as a result of the investigation was ongoing.

WATCH: Divers discover black field of Lion Air airplane concerned in deadly crash

The producer has stated there’s a documented process to deal with the scenario. A special crew on the identical airplane the night earlier than encountered the identical downside however solved it after working by way of three checklists, in keeping with the November report.

However they didn’t move on the entire details about the issues they encountered to the following crew, the report stated.

The pilots of JT610 remained calm for a lot of the flight, the three sources stated. Close to the tip, the captain requested the primary officer to fly whereas he checked the guide for an answer.

About one minute earlier than the airplane disappeared from radar, the captain requested air visitors management to clear different visitors under three,000 ft and requested an altitude of “5 thou,” or 5,000 ft, which was authorised, the preliminary report stated.

READ MORE: Pilot in Ethiopian Airways crash requested in ‘panicky voice’ to return after takeoff, report says

Because the 31-year-old captain tried in useless to seek out the proper process within the handbook, the 41-year-old first officer was unable to manage the airplane, two of the sources stated.

The flight information recorder exhibits the ultimate management column inputs from the primary officer had been weaker than those made earlier by the captain.

“It is sort of a check the place there are 100 questions and when the time is up you might have solely answered 75,” the third supply stated. “So that you panic. It’s a time-out situation.”

The Indian-born captain was silent on the finish, all three sources stated, whereas the Indonesian first officer stated “Allahu Akbar,” or “God is best,” a typical Arabic phrase within the majority-Muslim nation that can be utilized to specific pleasure, shock, reward or misery.

WATCH: Rising requires an investigation into how the Boeing 737 MAX was deemed secure to fly in first place

The airplane then hit the water, killing all 189 folks on board.

French air accident investigation company BEA stated on Tuesday the flight information recorder within the Ethiopian crash that killed 157 folks confirmed “clear similarities” to the Lion Air catastrophe.

Because the Lion Air crash, Boeing has been pursuing a software program improve to vary how a lot authority is given to the Manoeuvring Traits Augmentation System, or MCAS, a brand new anti-stall system developed for the 737 MAX.

The reason for the Lion Air crash has not been decided, however the preliminary report talked about the Boeing system, a defective, just lately changed sensor and the airline’s upkeep and coaching.

On the identical plane the night earlier than the crash, a captain at Lion Air’s full-service sister provider, Batik Air, was driving alongside within the cockpit and solved the same flight management issues, two of the sources stated. His presence on that flight, first reported by Bloomberg, was not disclosed within the preliminary report.

Boeing shuffles senior execs, top engineers amid 737 MAX scrutiny

The report additionally didn’t embody information from the cockpit voice recorder, which was not recovered from the ocean flooring till January.

Soerjanto Tjahjono, head of Indonesian investigation company KNKT, stated final week the report may very well be launched in July or August as authorities tried to hurry up the inquiry within the wake of the Ethiopian crash.

On Wednesday, he declined to touch upon the cockpit voice recorder contents, saying they’d not been made public.

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