Accident Details
Iran Air Flight 277 was a scheduled passenger service from Mehrabad International Airport in Tehran to Urmia Airport, Iran. On 9 January 2011, the Boeing 727 operating the flight crashed after an aborted approach to Urmia Airport in poor weather. Of the 105 people on board, 78 were killed.
Investigation
The official investigation into the accident concluded that icing conditions and incorrect engine management by the crew led to a double engine flame-out. This resulted in a loss of altitude and subsequent impact with the ground.
Probable Cause
The probable cause, as stated in the official investigation, was icing conditions and incorrect engine management by the crew, which led to a double engine flame-out, loss of altitude, and impact with the ground.