A focus on the fuel switches in a preliminary assessment raised questions about the pilots’ actions, but much is still unknown about Flight 171.

Indian investigators of the deadly Air India airliner crash that killed 260 last month told a meeting of lawmakers that the plane's black boxes were not damaged, two people familiar with the discussions said.

The official report is yet to be released by the Aircraft Accident Investigation Bureau (AAIB). Parliamentary committees have discussed aviation safety concerns following the crash, focusing on mainte