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Accident description
Last updated: 23 October 2017
Status:Final
Date:Friday 23 September 1977
Time:ca 07:30
Type:Silhouette image of generic LJ36 model; specific model in this crash may look slightly different
Learjet 36A
Operator:Arab Wings
Registration: JY-AFC
C/n / msn: 36-020
First flight:
Engines: 2 Garrett TFE731-2-2B
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 2 / Occupants: 2
Total:Fatalities: 4 / Occupants: 4
Airplane damage: Damaged beyond repair
Location:Amman-Marka International Airport (ADJ) (   Jordan)
Phase: Initial climb (ICL)
Nature:Int'l Non Scheduled Passenger
Departure airport:Amman-Marka International Airport (ADJ/OJAM), Jordan
Destination airport:Beirut Airport (BEY/OLBA), Lebanon
Narrative:
The left wing dropped after takeoff from runway 24 and the Learjet entered a descent with slow roll to the right until it impacted the ground in an inverted position on hard ground approximately 8 feet north of the parallel taxiway.

Probable Cause:

PROBABLE CAUSE: "The highest probability centres around a possible fuel imbalance at the time of take-off. As the aircraft was observed dropping a left wing very rapidly with an eventual recovery still in climb attitude, the actual cause of continuing right roll cannot be explained unless gyroscopic forces were assisted by the use of right rudder. Although not conclusive, tests were carried out by a senior flight crew member of Arab Wings in a LearJet simulator set up with the data applicable to the aircraft and field conditions at the time of the accident. Using maximum fuel imbalance condition the test crew experienced similar results and loss of control through right roll owing to inability to centre rudder control after wings level, as stated by the pilot of the simulated flight"

Classification:
Loss of control

Sources:
» ICAO Circular 153-AN/56 (Accident Digest 23, p.157-165)


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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 Amman-Marka International Airport to Beirut Airport as the crow flies is 209 km (131 miles).
Accident location: Approximate; accuracy within a few kilometers.

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