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Last updated: 23 February 2019
Datum:Sonntag 9 Januar 2011
Zeit:ca 19:45
Flugzeugtyp:Silhouette image of generic B722 model; specific model in this crash may look slightly different
Boeing 727-286
Fluggesellschaft:Iran Air
Kennzeichen: EP-IRP
Werknummer: 20945/1048
Baujahr: 1974-06-12 (36 years 7 months)
Triebwerk: 3 Pratt & Whitney JT8D-15
Besatzung:Todesopfer: 8 / Insassen: 9
Fluggäste:Todesopfer: 70 / Insassen: 96
Gesamt:Todesopfer: 78 / Insassen: 105
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:8 km (5 Meilen) von Urmia (Orumiyeh) Airport (OMH) (   Iran)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Tehran-Mehrabad Airport (THR/OIII), Iran
Flug nach:Urmia (Orumiyeh) Airport (OMH/OITR), Iran
Flugnummer: 277
An Iran Air Boeing 727 passenger jet was damaged beyond repair in an accident about 8 km from Urmia (Orumiyeh) Airport (OMH), Iran. There were 96 passengers and nine crew members on board. The airplane operated on flight IR277 from Tehran-Mehrabad Airport (THR) to Urmia (Orumiyeh) Airport (OMH). It left Tehran at 18:15, after a delay of over two hours due to severe weather at the destination.

Probable Cause:

The effect of a combination of bad weather and cockpit crews' failure to deal with the situation is the major cause of the accident.

Contributing factors:
- The old technology of aircraft systems
- Absence of a suitable simulator for adverse weather conditions
- Failure to correctly execute the operating instructions for go around
- Inadequate cockpit management (CRM)


METAR Weather report:
16:00 UTC / 19:30 local time:
OITR 091600Z 26004KT 0800 SN SCT015 SCT020 OVC060 00/00 Q1016=
Wind 260 degrees at 4 knots; Visibility 800 m in snow; scattered clouds 1,500 ft; scattered clouds 2,000 ft.; overcast 6,000 ft.; Temperature 0°C; Dew point 0°C; 1016 hPa


photo of Boeing 727-286 EP-IRP
photo of Boeing 727-286 EP-IRP
photo of Boeing 727-286 EP-IRP
photo of Boeing 727-286 EP-IRP
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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Tehran-Mehrabad Airport to Urmia (Orumiyeh) Airport as the crow flies is 595 km (372 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Boeing 727

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  • 115th loss
  • 55th Fataler Unfall
  • 26th worst accident
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