Data recovery from the flight data recorders aboard Air India flight 171, which tragically crashed on June 12, began this past week.

When contacted, Air India said pilots conducted simulator tests on their own, and the airline had no role in that.

More than two weeks after the deadly crash of an Air India plane that killed all but one of the 242 people on board, investigators and the airline are studying possible dual engine failure as a scenario that prevented the Boeing Co.