A cockpit voice recording from doomed Lion Air flight shows pilots scoured the plane's manual to fix its fatal dive, but couldn't find the right procedure in time

The pilots of a Lion Air Boeing 737 Max 8 plane which crashed in October 2018 desperately read an emergency handbook in an attempt to find a way to control the plane before it's fatal accident.
Both the captain and the first officer scoured the handbook to try and resolve problems with the plane but lost control and crashed into the sea, sources familiar with the contents of the cockpit voice recordings told Reuters.
The investigation into the crash has taken on new significance since the fatal crash of an Ethiopian Airlines 737 Max 8 plane last week.

The pilots of the doomed Lion Air flight which crashed into the Java Sea last October frantically searched the aircraft's manual to try to find a way to keep the plane under control before the crash, cockpit voice recordings show.

The first officer reported a "flight control problem" two minutes into the flight, and the captain then asked him to check a handbook that contained procedures for abnormal events, the recordings showed, according to a report from Reuters .

The Boeing 737 Max 8 plane then spent nine minutes pushing its nose down, with the first officer unable to control the plane, as the captain desperately searched the handbook for a solution to the plane's problems.

The plane then crashed into the sea, killing all 189 people on board.

Three sources discussed the contents of the plane's cockpit voice recorder with Reuters , in the first time that such information, which is part of an ongoing investigation into the crash, has been made public.

The investigation has taken on new significance after an Ethiopian Airlines Boeing 737 Max 8 crashed on March 10, killing all 157 on board.

French air accident investigation agency BEA said the two crashes showed "clear similarities" and Boeing is introducing a software upgrade to its anti-stall system on the plane model.

The preliminary report into the Lion Air crash mentioned the Boeing system as well as other factors, including the airline's maintenance.

A source told Reuters that someone mentioned the plane's airspeed on the cockpit voice recording, and a second source said that one of the plane's indicators showed a problem on the captains display, but not the first officers.

The preliminary report showed that the plane's computer kept pushing the nose of the plane down using the trim system, which is a system that usually adjusts the aircraft to keep it on course.

A source told Reuters that the trim system was not mentioned in the recording, just the airspeed and altitude of the plane. "They didnt seem to know the trim was moving down," the source said.

A crew that flew the same plane the evening before had the same problem with the plane's nose, but ran through three checklists to solve the problem, the preliminary report showed.

The plane was treated on the ground, and report says that the previous crew believed the issue was resolved.

Bloomberg reported on Tuesday that an off-duty pilot riding in the cockpit of that flight fixed a malfunction that allowed the plane to land safely.

Following the Ethiopian Airlines crash, many countries have grounded the 737 Max , including China, which has a higher number of the aircraft than any other nation. The US was the most recent country to ground the plane.

Boeing declined to comment to Reuters due to the ongoing investigation.

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