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Last updated: 10 July 2020
Status:Schlussbericht
Datum:Freitag 16 Februar 2018
Zeit:18:28
Flugzeugtyp:Silhouette image of generic F100 model; specific model in this crash may look slightly different
Fokker 100
Fluggesellschaft:Qeshm Air
Kennzeichen: EP-FQF
Werknummer: 11444
Baujahr: 1993
Betriebsstunden:48654
Anzahl Zyklen der Zelle:38040
Triebwerk: 2 Rolls-Royce Tay 650-15
Besatzung:Todesopfer: 0 / Insassen: 7
Fluggäste:Todesopfer: 0 / Insassen: 97
Gesamt:Todesopfer: 0 / Insassen: 104
Sachschaden: schwer beschädigt
Konsequenzen: Repaired
Unfallort:Mashhad Airport (MHD) (   Iran)
Flugphase: Landung (LDG)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Tehran-Mehrabad Airport (THR/OIII), Iran
Flug nach:Mashhad Airport (MHD/OIMM), Iran
Flugnummer:QB1202
Unfallbericht:
Qeshm Air flight 1202 from Tehran-Mehrabad Airport, Iran, performed a forced landing at Mashhad when the left main landing gear failed to deploy prior to landing.
The aircraft, a Fokker 100, departed Tehran at 16:39 (13:09 UTC). It was descending towards the destination of Mashhad at 17:38 when the undercarriage was selected down. However, the left hand main gear did not deploy. The flight entered a holding pattern and the flight crew worked the related checklists. Twenty minutes later the flight performed a low pass over the runway and entered another holding pattern. The left main gear remained up.
A forced landing was carried out on runway 31R at 18:28. The aircraft swerved to the left and departed the left side of the runway, coming to rest between runway 31R and 31L. An evacuation was carried out.
The next morning the left wing was lifted by a crane. When the lifting belt broke, the wing hit the ground again, causing serious additional damage.

Probable Cause:

Probable causes:
The main cause of this accident was entering foreign contamination to hydraulic system by maintenance activities during C-Check which caused damage on blockage hydraulic flow in restrictor check valve.
The screen filter near hydraulic restrictor check valve was damaged by reflected force of Pollution and sediment available in the hydraulic system between and caused blockage the nozzle downstream to down lock LH landing gear mechanism.
Contributing Factors:
- Insufficient surveillance on maintenance operation of aircraft.
- Lack of enough experience for Qeshm Air maintenance personnel

Accident investigation:
cover
Investigating agency: AAID Iran
Status: Investigation completed
Duration: 10 months
Accident number: A961127EPFQF
Download report: Final report

Informationsquelle:
» aerospacetalk.ir


Sicherheitsempfehlungen

AAID Iran issued 8 Safety Recommendations

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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 Mashhad Airport as the crow flies is 747 km (467 miles).
Accident location: Approximate; accuracy within a few 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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