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Last updated: 21 April 2019
Date:Sunday 9 January 2011
Time:ca 19:45
Type:Silhouette image of generic B722 model; specific model in this crash may look slightly different
Boeing 727-286
Operator:Iran Air
Registration: EP-IRP
C/n / msn: 20945/1048
First flight: 1974-06-12 (36 years 7 months)
Total airframe hrs:9019
Engines: 3 Pratt & Whitney JT8D-15
Crew:Fatalities: 8 / Occupants: 9
Passengers:Fatalities: 70 / Occupants: 96
Total:Fatalities: 78 / Occupants: 105
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:8 km (5 mls) from Urmia (Orumiyeh) Airport (OMH) (   Iran)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Tehran-Mehrabad Airport (THR/OIII), Iran
Destination airport:Urmia (Orumiyeh) Airport (OMH/OITR), Iran
Flightnumber: 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)

Loss of control


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 0C; Dew point 0C; 1016 hPa


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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.

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