New Delhi, July 12 -- Martin Consulting's Chief Executive Officer (CEO) Mark D Martin, an aviation safety expert said on Saturday that "no stone should be left unturned," on investigating the AI 171 crash, and urged for the preliminary report to be "taken into the global quorum," so that international safety regulators could also understand the reasons for the Dreamliner 787-8's crash.

The AI 171 crash of the Boeing Dreamliner 787-8 aircraft in Gujarat's Ahmedabad killed 260 people, including 229 passengers, 12 crew members, and 19 people on the ground.

Martin said that one should wait for the full report to come out, but questioned certain aspects of the preliminary report which suggested pilot error, saying that it is "highly unlikely...