Date & Time: Feb 18, 2018 at 0926 LT
Type of aircraft:
ATR72-200
Operator:
Registration:
EP-ATS
Flight Phase:
Flight
Survivors:
No
Schedule:
Tehran – Yasuj
MSN:
391
YOM:
1993
Flight number:
EP3704
Country:
Iran
Region:
Asia
Crew on board:
6
Crew fatalities:
6
Pax on board:
60
Pax fatalities:
60
Other fatalities:
0
Total fatalities:
66
Circumstances:
At 0922LT, the crew was cleared by ATC to descend from FL210 to FL170. Four minutes later, while descending to Yasuj Airport in marginal weather conditions, the aircraft struck the slope of Mt Dena (4,409 meters high) located in the Zagros Mountain Range, some 29 km north of Yasuj Airport. Authorities confirmed the accident occurred in a mountainous and inaccessible area for ambulances and ground rescue teams. Two days later, on February 20, the wreckage was spotted few dozen yards below the summit. No survivors were found among the 66 occupants and the airplane disintegrated on impact. At the time of the accident, the visibility was limited due to snow falls. It is possible the accident was the consequence of a controlled flight into terrain caused by a premature descent. Icing is also suspected.