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Air India crash investigation enters final stage after cockpit recording and psychology reviews

A court filing revealed that India's aviation accident investigation body had?prepared? a cockpit voice recording transcript, performed a psychological autopsy, and is now in the final stages of its investigation into last year's fatal Air India crash.

The filing failed to identify who conducted the psychological autopsy or reveal any findings about the crash of a Boeing 787 which killed 260 people soon after takeoff from Ahmedabad in India. The Aircraft Accident Investigation Bureau in India (AAIB), without providing any further details, said that an analysis of the data from an engine monitor unit retrieved late in May was still being awaited and an assessment of some organisational factors is in progress.

AAIB stated that investigators interviewed Air India 787 Pilots, crew who previously flew with pilots of the aircraft that crashed, technical personnel who were involved in?preparing the jet as well as air traffic controllers and weather officials.

AAIB's filing from Tuesday said that the families of the crew were also contacted at their homes during the initial stages of the investigation.

AAIB officials visited the home of Pushkar Raj Saharwal last year. He was upset because they implied that his son had cut off the fuel supply to the engines of the plane after takeoff. The AAIB disclosed the information in the court filing after he filed a suit.

AAIB stated that media speculations and narratives blaming the pilots for their actions had led to some witnesses becoming "restrictive" and "non-responsive".

The investigation is now in its analysis phase. Findings and conclusions are being drawn from operational, technical and human-factors areas.

The AAIB said it expected to complete the remaining investigations within six weeks. This is subject to "external dependents" that are still pending.

The filing stated that a draft final report will be ready 'around October', and then it will be sent to the participating countries to get their comments before being finalized and published.

The U.S. National Transportation Safety Board will receive the draft report. U.S. officials reported last year that their early assessment of the situation was that the cockpit recording of the dialogue between the pilots confirmed the Captain's claim.

AAIB stated at the time that it was "too soon to draw any conclusions." (Reporting and editing by Abhijith Ganapavaram, Arpan Chaturvedi)

(source: Reuters)