The captain of the AirAsia jet that crashed into the sea in December was out of his seat conducting an unorthodox procedure when his co-pilot apparently lost control, and by the time he returned it was too late to save the plane, two people familiar with the investigation said.
Details emerging of the final moments of Flight QZ8501 are likely to focus attention partly on maintenance, procedures and training, though Indonesian officials have stressed publicly that it is too early to draw any firm conclusions.
The Airbus A320 plunged into the Java Sea while en route from Surabaya, Indonesia, to Singapore on Dec. 28, killing all 162 people on board. It had been suffering maintenance faults with a key flight control computer for over a week, and one person familiar with the matter said the captain had flown on the same plane with the intermittently faulty device just days before the crash.
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