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Accident description
Last updated: 23 October 2017
Status:Final
Date:Thursday 31 March 2005
Time:16:02 UTC
Type:Silhouette image of generic AN12 model; specific model in this crash may look slightly different
Antonov 12B
Operating for:Air BAS Transportation
Leased from:Irbis
Registration: UN-11007
C/n / msn: 9346509
First flight: 1969
Total airframe hrs:35115
Cycles:13125
Engines: 4 Ivchenko AI-20M
Crew:Fatalities: 0 / Occupants: 8
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 8
Airplane damage: Damaged beyond repair
Location:Mukalla-Al-Rayyan International Airport (MKX) (   Yemen)
Phase: Takeoff (TOF)
Nature:Cargo
Departure airport:Mukalla Airport (MKX), Yemen
Destination airport:Sharjah Airport (SHJ/OMSJ), United Arab Emirates
Flightnumber:BIS6311
Narrative:
The Antonov had made a refueling stop at Mukalla and was bound for Sharjah, carrying 7 tons of fish.
During takeoff from Mukalla's runway 06, at the speed 225 km/h, the nose landing gear retracted. The captain decided to abort the takeoff. He steered the plane to the left to avoid a collision with a radio-technical equipment car.
The aircraft failed to stop on the runway and ran onto rugged sand terrain, 2 m below the runway level. The aircraft hit a hill and tilted to the right as it came to rest 400m from the runway end and 30m left from extended runway center line.

Probable Cause:

Conclusions:
The reason of this occurrence is early retraction of landing gears without order of the Captain before aircraft airborne.
Actions of flight engineer in violation of technology of standard operating procedures, by fixing of landing gear switch to "retract position" after that to "neutral" without report to the Captain leaded to rise and development of occurrence.

Classification:
Premature gear retraction on take-off
Runway excursion

Sources:
» Arab News
» Accident investigation final report


Follow-up / safety actions

CAMA Yemen issued 5 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

photo of Antonov An-12B UN-11007
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Map
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 Mukalla Airport to Sharjah Airport as the crow flies is 1344 km (840 miles).
Accident location: Exact; deduced from official accident report.

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