Iran Air Flight 291
EP-IRD, the aircraft involved in 1977.  | |
| Accident | |
|---|---|
| Date | 21 January 1980 | 
| Summary | Inoperable ILS and ground radar leading to controlled flight into terrain | 
| Site | Alborz Mountains, Iran  35°44′N 51°25′E / 35.733°N 51.417°E  | 
| Aircraft | |
| Aircraft type | Boeing 727-86 | 
| Operator | Iran Air | 
| IATA flight No. | IR291 | 
| ICAO flight No. | IRA291 | 
| Call sign | IRANAIR 291 | 
| Registration | EP-IRD | 
| Flight origin | Mashhad Airport, Iran | 
| Destination | Tehran-Mehrabad Airport, Iran | 
| Occupants | 128 | 
| Passengers | 120 | 
| Crew | 8 | 
| Fatalities | 128 | 
| Survivors | 0 | 
Iran Air Flight 291 was a flight from Mashad Airport to Tehran-Mehrabad Airport that crashed on 21 January 1980 during its approach to Tehran-Mehrabad runway 29 in foggy and snowy weather conditions, killing all 128 people on board. At the time, Iran Air Flight 291 was the deadliest aircraft disaster in Iranian history.