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2013/11 eng

Report on air accident at Moss airport Rygge, Norway, 16 July 2008 with Eurocopter AS 350 BA, LN-ORK

An instructor was about to perform an operators proficiency check with two pilots from the company Midtnorsk Helikopterservice. The helicopter arrived Moss airport Rygge and the instructor moved the Fuel Flow Control Lever out of the "flight gate" to simulate an autorotation. About 80 ft above ground, when repositioning the Fuel Flow Control Lever to terminate the simulation, the engine did not respond to the increased power demand. The rotor RPM decreased and the landing became somewhat harder than normal leading to a fracture in the rotorhead Starflex. No findings on the engine can explain the loss of engine power. However, the power loss can be explained by an improper operation of the Fuel Flow Control Lever.


Location Moss airport Rygge (ENRY)
Occurrence date 16.07.2008
ICAO Location indicator ENRY
Aircraft Eurocopter AS350 Ecureuil
Operator Midtnorsk helikopterservice AS
Registration LN-ORK
Meteorological conditions VMC
County Østfold
Type of occurrence Accident
Type of operation Training
Category of operation Light, helicopter (<= 2 250kg)
Aircraft category Helicopter, Single-engine, Turboprop/turboshaft

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