The U.S. assessment is not contained in a formal document, said a source, who emphasized the cause of the deadly crash remains under investigation.

Air India Flight 171 took off from Ahmedabad en route to London. Just 32 seconds later, both engines lost power. The aircraft plunged into a crowded neighborhood near the runway, killing 260 people — 241 passengers and crew,

New information leaked from the Air India disaster investigation suggests the captain switched off the engine fuel flow. Use precise geolocation data and actively scan device characteristics for identification.