A veteran commercial airline pilot said he may have found a “total game-changer” in what led to the doomed Air India Boeing 787 to crash after analyzing new video.

It comes after a UK-bound Air India flight crashed shortly after take-off from Ahmedabad airport in western India on Thursday, killing 229 passengers and 12 crew, with one person surviving the crash. Yesterday, an Air India Boeing 787-8 Dreamliner had to return to Hong Kong mid-flight after a suspected technical issue.

Officials say at least 270 bodies have been recovered, while the lone surviving passenger is still under observation for some of his injuries.

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The technical investigation into the crash of Air India’s Boeing 787-8 aircraft operating flight AI-171 from Ahmedabad to London Gatwick is being conducted by the Aircraft Accident Investigation Bureau (AAIB).

The survival of a passenger who escaped through an exit door seconds after his Air India flight crashed killing everyone else on board has prompted speculation over whether his seat, 11A, is the safest.

The Air India plane crash in Ahmedabad came 29 years after the Charkhi Dadri mid-air collision of Saudia Flight 763 which was going from Delhi to Saudi Arabia’s Dhahran, and Kazakh Flight 1907 which w