Accident description
Last updated: 21 October 2014
Status:Preliminary - official
Date:Saturday 23 June 2007
Time:11:14
Type:Silhouette image of generic YK40 model; specific model in this crash may look slightly different
Yakovlev 40
Operator:Kyrgyzstan Government
Registration: EX-901
C/n / msn: 9411030A
First flight: 1974
Engines: 3 Ivchenko AI-25
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 9
Total:Fatalities: 0 / Occupants: 13
Airplane damage: Damaged beyond repair
Location:Karakuzhur (   Kyrgyzstan)
Phase: Landing (LDG)
Nature:Aerial Work (Calibration, Photo)
Departure airport:Ysykkul-Tamchy Airport (UAFL), Kyrgyzstan
Destination airport:Bishkek-Manas International Airport (FRU/UAFM), Kyrgyzstan
Flightnumber:4452
Narrative:
The Yak-40 departed Bishkek (FRU) on an inspection flight to Ysykkul-Tamchy Airport, Naryn and Kazarman. Some 30 minutes after takeoff from Ysykkul Airport, the engine nr.3 TGT rose and vibrations occurred. The flight engineer shut down the engine. At the same time the temperature of engine nr.1 began to rise. The captain instructed the flight engineer to reduce thrust to 80% on that engine.
At that time the aircraft was over Karakuzhur valley. Given the limited thrust available and the high mountains in the area, the flight could not reach Naryn. The captain new a small airstrip in the valley that was used for agricultural operations. He had flown An-2 aircraft from the airstrip, which was located at 2700 m above sea level. The unprepared strip was now covered with rocks (larger than 40 cm). Also irrigation ditches were present and there was a ravine near the strip.
The airplane carried out an emergency landing on the airstrip and caught fire.


Sources:
» airdisaster.ru
» Kyrgyz government media release 24-6-2007
» Kyrgyz government media release 29-11-2007


Photos

photo of Yakovlev 40 EX-901
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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 Ysykkul-Tamchy Airport to Bishkek-Manas International Airport as the crow flies is 188 km (118 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs 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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