ASN Aircraft accident Antonov An-24RV RA-46670 Yakutsk Airport (YKS)
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Status:Accident investigation report completed and information captured
Date:Saturday 13 July 2002
Type:Silhouette image of generic AN24 model; specific model in this crash may look slightly different
Antonov An-24RV
Operator:Sakha Avia
Registration: RA-46670
MSN: 47309601
First flight: 1974
Engines: 2 Ivchenko AI-24VT
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 4
Aircraft damage: Substantial
Aircraft fate: Written off (damaged beyond repair)
Location:Yakutsk Airport (YKS) (   Russia)
Phase: Landing (LDG)
Departure airport:Yakutsk Airport (YKS/UEEE), Russia
Destination airport:Yakutsk Airport (YKS/UEEE), Russia
The Antonov departed Yakutsk on a crew training flight. Two approach and landings were carried out using flap settings of 38 and 15 degrees. During the third approach the captain called for lowering of the landing gear. The flight engineer moved the landing gear handle from neutral into the "retract" position. He did not check for three greens so failed to notice his mistake. Then the captain requested the flaps to be selected at 10 degrees. The Antonov turned to finals, but the crew did not carry out the final approach checks and continued after having obtained landing clearance. Fourteen seconds before touchdown an air traffic controller informed the crew that they should go around because the landing gear was not down. The captain did not hear this because at that moment height and speed were called out by the flight engineer. Five seconds later the controller repeated his warning. One of the crew members heard the call and noticed three reds on the instrument panel. He informed that captain about this, but it was already too late. The captain added takeoff power, but within three seconds the tail struck the runway. The airplane skidded about 1000 metres before coming to rest.

Probable Cause:

The accident was caused by the combination of a.o. the following factors:
- the erroneous actions of the flight engineer when trying to lower the landing gear;
- failure of the flight crew to conduct the necessary (final approach) checks;
- the failure by the crew to check and respond to landing gear warning indications;
- the execution of a flight with an incomplete composition of crew, causing additional work load on the flight engineer during the approach (height and speed call outs);
- late commands to go around by the air traffic controller;
- on the Yak-40 the landing gear handle moves to the opposite direction for retraction and lowering compared to the Antonov 24 (the flight mechanic had more, and recent, flight experience on the Yakovev 40 jet);
- the large work load (fatigue) of the crew during the recent six days before the incident.

» Scramble 283
» ICAO Adrep 5/02


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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 Yakutsk Airport to Yakutsk Airport as the crow flies is 19862 km (12414 miles).

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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