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Last updated: 17 November 2019
Statuts:Enquête Officielle
Date:mercredi 2 janvier 2008
Heure:07:32
Type/Sous-type:Silhouette image of generic F100 model; specific model in this crash may look slightly different
Fokker 100
Compagnie:Iran Air
Immatriculation: EP-IDB
Numéro de série: 11299
Année de Fabrication: 1990-09-26 (17 years 3 months)
Heures de vol:30732
Cycles:33933
Moteurs: 2 Rolls-Royce Tay 650-15
Equipage:victimes: 0 / à bord: 8
Passagers:victimes: 0 / à bord: 105
Total:victimes: 0 / à bord: 113
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Tehran-Mehrabad Airport (THR) (   Iran)
Élévation des lieux de l'accident: 1208 m (3963 feet) amsl
Phase de vol: Au décollage (TOF)
Nature:Transport de Passagers Nat.
Aéroport de départ:Tehran-Mehrabad Airport (THR/OIII), Iran
Aéroport de destination:Shiraz Airport (SYZ/OISS), Iran
Numéro de vol: 235
Détails:
An Iran Air Fokker 100 was damaged beyond repair when it crashed on takeoff from Tehran-Mehrabad Airport (THR), Iran. Four crew members and seven passengers sustained serious injuries.
Iran Air Flight IR235 was a scheduled service from Tehran to Shiraz. The co-pilot, who was Pilot Flying, performed a walk around prior to departure. Since it had been snowing and temperatures were around freezing level, he requested de-icing.
Because there were a number of aircraft already waiting for de-icing, the pilot in command decided not to perform de-icing. The engines were started and the airplane started taxying towards the departure runway at 07:09 hours. At 07:31 the flight was cleared for takeoff.
The aircraft rolled left wing down shortly after lift off. The left wingtip touched the ground. Thereafter the aircraft rolled momentarily back to a more neutral position. A few seconds later, while losing altitude, the second left wing down roll started. The left wing touched the ground and when the aircraft rolled back to a more neutral attitude both main landing gears touched the ground. All gears broke off and the aircraft slid on the area next to the runway.
Reportedly, during the impact or shortly thereafter all electrical power was lost.
When the aircraft came to rest, a fire developed, starting from the left wing root towards the fuselage. All passengers and crew were evacuated through the two right over wing emergency exits.

Probable Cause:

Cause:
It is believed that the accident was caused by the crew fault that has not decided to de-ice aircraft, which led to wing contamination and finally aircraft has stalled during take off.
Contributing causes:
a) Weak cockpit resource management
b) Weak management for cold Weather operation of Iran Air.

Sources:
» IRNA


Opérations de secours

AAID Iran issued 3 Safety Recommendations

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Photos

photo of Fokker-100-EP-IDB
accident date: 02-01-2008
type: Fokker 100
registration: EP-IDB
photo of Fokker-100-EP-IDB
accident date: 02-01-2008
type: Fokker 100
registration: EP-IDB
photo of Fokker-100-EP-IDB
accident date: 02-01-2008
type: Fokker 100
registration: EP-IDB
photo of Fokker-100-EP-IDB
accident date: 02-01-2008
type: Fokker 100
registration: EP-IDB
photo of Fokker-100-EP-IDB
accident date: 02-01-2008
type: Fokker 100
registration: EP-IDB
 

Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Tehran-Mehrabad Airport et Shiraz Airport est de 690 km (431 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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