Tehran – Yasuj

Iranian ATR72 aircraft registered EP-ATS operated by Iran Aseman Airlines was assigned to perform a domestic scheduled passenger flight from Tehran to Yasuj on 07:55 local time. The aircraft took off from Tehran Mehrabad International Airport (0III) at 04:35 UTC. (08:05 LMT) and the flight was the first flight of the day for aircraft and the crew. The cruise flight was conducted at FL210 on airway W144 and no abnormal situation was reported by the crew and the flight was continued on Tehran ACC frequency till the time the first officer requested latest weather information of the destination by contact to Yasuj tower then requested to leave FL210 to FL170 from Tehran ACC. When the aircraft was descending to FL170 and crew calling YSJ tower the aircraft descending was continued to altitude of 15000 ft. The aircraft was approved to join overhead of the airport and perform “circling NDB approach “to land on RWY 31 at the destination aerodrome. Finally the aircraft collided with a peak lee of DENA Mountains about 8.5 miles at North far from the airport and involved accident on 06:01 UTC. The aircraft was completely destroyed as a result of collision with the mountain at the altitude of approximately 13,300 ft.
Tehran – Yasuj — crash photo

Flight / Schedule

Tehran – Yasuj

Aircraft

ATR72-200

Registration

EP-ATS

MSN

391

Year of Manufacture

1993

Date

February 18, 2018 at 09:31 AM

Type

CRASH

Flight Type

Scheduled Revenue Flight

Flight Phase

Flight

Crash Site

Mountains

Crash Location

Mt Dena Isfahan

Region

Asia • Iran

Coordinates

32.6877°, 51.6854°

Crash Cause

Human factor

Narrative Report

On February 18, 2018 at 09:31 AM, Tehran – Yasuj experienced a crash involving ATR72-200, operated by Iran Aseman Airlines, with the event recorded near Mt Dena Isfahan.

The flight was categorized as scheduled revenue flight and the reported phase was flight at a mountains crash site.

66 people were known to be on board, 66 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 6, crew fatalities: 6, passengers on board: 60, passenger fatalities: 60, other fatalities: 0.

The listed crash cause is human factor. Iranian ATR72 aircraft registered EP-ATS operated by Iran Aseman Airlines was assigned to perform a domestic scheduled passenger flight from Tehran to Yasuj on 07:55 local time. The aircraft took off from Tehran Mehrabad International Airport (0III) at 04:35 UTC. (08:05 LMT) and the flight was the first flight of the day for aircraft and the crew. The cruise flight was conducted at FL210 on airway W144 and no abnormal situation was reported by the crew and the flight was continued on Tehran ACC frequency till the time the first officer requested latest weather information of the destination by contact to Yasuj tower then requested to leave FL210 to FL170 from Tehran ACC. When the aircraft was descending to FL170 and crew calling YSJ tower the aircraft descending was continued to altitude of 15000 ft. The aircraft was approved to join overhead of the airport and perform “circling NDB approach “to land on RWY 31 at the destination aerodrome. Finally the aircraft collided with a peak lee of DENA Mountains about 8.5 miles at North far from the airport and involved accident on 06:01 UTC. The aircraft was completely destroyed as a result of collision with the mountain at the altitude of approximately 13,300 ft.

Aircraft reference details include registration EP-ATS, MSN 391, year of manufacture 1993.

Geospatial coordinates for this crash are approximately 32.6877°, 51.6854°.

Fatalities

Total

66

Crew

6

Passengers

60

Other

0

Crash Summary

Iranian ATR72 aircraft registered EP-ATS operated by Iran Aseman Airlines was assigned to perform a domestic scheduled passenger flight from Tehran to Yasuj on 07:55 local time. The aircraft took off from Tehran Mehrabad International Airport (0III) at 04:35 UTC. (08:05 LMT) and the flight was the first flight of the day for aircraft and the crew. The cruise flight was conducted at FL210 on airway W144 and no abnormal situation was reported by the crew and the flight was continued on Tehran ACC frequency till the time the first officer requested latest weather information of the destination by contact to Yasuj tower then requested to leave FL210 to FL170 from Tehran ACC. When the aircraft was descending to FL170 and crew calling YSJ tower the aircraft descending was continued to altitude of 15000 ft. The aircraft was approved to join overhead of the airport and perform “circling NDB approach “to land on RWY 31 at the destination aerodrome. Finally the aircraft collided with a peak lee of DENA Mountains about 8.5 miles at North far from the airport and involved accident on 06:01 UTC. The aircraft was completely destroyed as a result of collision with the mountain at the altitude of approximately 13,300 ft.

Cause: Human factor

Occupants & Outcome

Crew On Board

6

Passengers On Board

60

Estimated Survivors

0

Fatality Rate

100.0%

Known people on board: 66

Operational Details

Schedule / Flight

Tehran – Yasuj

Flight Type

Scheduled Revenue Flight

Flight Phase

Flight

Crash Site

Mountains

Region / Country

Asia • Iran

Aircraft Details

Aircraft

ATR72-200

Registration

EP-ATS

MSN

391

Year of Manufacture

1993

Similar Plane Crashes

September 6, 1929 at 12:00 AM3 Fatalities

Imperial Airways

De Havilland DH.66 Hercules

For unknown reasons, the aircraft departed Bandar Lengeh Airport with delay. Thus, the crew started the approach to Jask Airport by night and limited visibility. On short final, the aircraft was too low and impacted the ground short of runway threshold. Upon impact, the the fuel tank ruptured and the aircraft caught fire before coming to rest, bursting into flames. Two passengers were rescued while three other occupants were killed.

May 2, 1931 at 12:00 AM

Venetia Montagu

De Havilland DH.60 Moth

En route from Tehran to Moscow, the crew encountered an unexpected situation and attempted an emergency landing when the aircraft crashed near Sabzevar, bursting into flames. Both occupants escaped uninjured and the aircraft was destroyed by a post crash fire.

October 31, 1932 at 12:00 AM

Babar Mirza

Simmonds Spartan

The pilot, sole on board, departed Croydon on a flight to Hyderabad, India. While cruising over Iran, the engine failed. The pilot attempted an emergency landing when the aircraft crash landed in a desert area located in the region of Bushehr. The pilot was uninjured and the aircraft was damaged beyond repair.

November 10, 1933 at 12:00 AM

Asiatic Petroleum Company

General Aircraft ST-4 Monospar

Crashed on approach to Chah Bahar Airfield for unknown reasons. The pilot was injured and the airplane was written off.

July 17, 1935 at 04:30 PM

KLM Royal Dutch Airlines - Koninklijke Luchtvaart Maatschappij

Douglas DC-2

During the takeoff run at Bushehr Airport, after traveling a distance of some 300 meters and running at a speed of 120 km/h, the aircraft christened 'Maraboe' hit an unevenness on the runway surface. The right main gear broke off and a fuel line was cut. The aircraft went out of control, swerved on runway and eventually came to rest in flames. All 11 occupants escaped uninjured while the aircraft was destroyed by fire.

February 18, 1945 at 12:00 AM4 Fatalities

United States Army Air Forces - USAAF

Curtiss C-46 Commando

Shortly after takeoff from Abadan Airport, while in initial climb, the aircraft nosed down and crashed, killing all four occupants. The flight was completed on behalf of the 1266th Army Air Force Base Unit, North African Division, Air Transport Command. Crew: Cpl Joseph Brine, 2nd Lt George H. Hafford, 1st Lt Samuel B. Isbell, 1st Lt Richard E. Wheelus.