Crew Error Blamed For Air Asia Flight QZ8501 Plane Crash

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London; Dec.2: The way pilots responded to a technical malfunction resulted in the crash of an AirAsia flight into the Java Sea, killing all 162 people on board, investigators said Tuesday.

Repeated problems with a rudder control system led to the pilots disengaging the autopilot in stormy weather in a bid to fix the situation, and then losing control of the Airbus A320-200, Indonesia's National Transportation Safety Committee said. 

In their report, investigators said the soldering on the Rudder Travel Limiter system - which helps control the rudder's movement - was cracked, leading it to send repeated warning systems to the pilots.

When they received the fourth warning, the pilots pulled circuit-breakers on part of the aircraft's control system in a bid to reset the system.

This turned off the autopilot, and the plane then started to roll, the report said.

'Subsequent flight crew action resulted in inability to control the aircraft,' said the report.

The plane went into a 'prolonged stall condition that was beyond the capability of the crew to recover', it said.

It added the flight data recorders did not indicate the weather had affected the aircraft.

Flight QZ8501 was en route from Surabaya, Indonesia, to Singapore when it crashed into the Java Sea on December 28, 2014. 

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