2018-02-18 Iran Aseman ATR-72 flew into terrain near Yasuj

2018-02-18 Iran Aseman ATR-72 flew into terrain near Yasuj

2018-02-18 Iran Aseman ATR-72 flew into terrain near Yasuj


The ATR-72 was reported missing on approach to Yasuj Airport. Later the wreckage was found on Dena Mountain. There were no survivors.

UPDATE 2018-03-03

Flight EP3704 took off from Tehran-Mehrabad Airport at 08:03L on runway 29L/R for a scheduled flight to Yasuj.  The aircraft then turned to a southerly heading to join the airway „W13“ to waypoint „PEKAM“ while maintaining its cruise altitude of 21.000 feet. It continues along airway „P574“ to waypoint „OBTUX“ where it turns right to join airway „W144“ direct to Yasuj.

About 45 minutes later, while in descent to its destination, all contact to the pilots or the aircraft was abruptly lost. Previously the crew had requested a change in altitude, and was descending from 21,000 ft to 17,000 Ft.  of was flying over high rising terrain of the Dena Mountain Range, east of Yasuj Airport with summits above 13000 feet.

Local weather conditions (snowfall in the mountains) is hampering rescue efforts.
On 2018-02-20 the scattered wreckage was found 30 m below a mountaintop at 4.000 (13.200 ft) m located south of Noqol almost in the way of the „W144“ airway. 

Iranian CAO has begun an investigation.

Iran Aseman Airlines released a list of all 66 occupants on board [LINK]

Since 2016 Iran Aseman Airlines is among the airlines banned from entering European Union (EU) airspace because of safety concerns.

On 2018-03-03 the black boxes were recovered from the crash site and brought to laboratories for further analysis.

On March 11th the Iranian Investigation Commission CAO published a preliminary report in persian. [LINK]

METAR: Yasuj Airport (OISY):

18/02/2018 09:00->
METAR OISY 180530Z 09004KT 9999 FEW035CB SCT040 OVC090 14/M01 Q1022
18/02/2018 08:30->
METAR OISY 180500Z 00000KT 9999 SCT040 OVC090 11/M00 Q1021=



© M. Khademosheikh | Mizan Online News Agency

© M Khademosheikh | Rudaw.net

© GoogleEarth


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Aircraft Involved

© M Watson |Jetphotos.net

Type: ATR-72
Registration: EP-ATS
Age a/c: 24.3 years
Constr. No.: 391

Occupants & Casualties

Crew Pax Other Total
Occupants 6  60 0 66
Fatalities 6 60 0 66
Injuries  0 0 0 0


Date: 2018-02-18 Time: 08:45
Location: Smirom area, Yasuj
Country: Iran
Flight phase: ENR3 – Descent IFR Descent from cruise to Initial Approach Fix (IAF) or VFR pattern entry.
Damage to a/c: hull loss

Flight no.: EP 3704
From: OIII/THR: Tehran Mehrabad Intl To: OISY/YES: Yasouj
Type: Passenger
Operator: Iran Aseman Airlines

JACDEC 30-year Statistics :

  • 10th safety occurence for the operator
    – 2nd fatal acc since 1994
  • 226th safety occurence of type (ATR-72)
  • 1st safety occurence at/near Yasuj Airport
  • 1st safety occurence for aircraft in question

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