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

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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.

Sted
Moss lufthavn Rygge (ENRY)
Hendelsesdato
16.07.2008
ICAO flyplassindikator
ENRY
Luftfartøy
Eurocopter AS350 Ecureuil
Operatør
Midtnorsk helikopterservice AS
Reg. merke
LN-ORK
Flygeforhold
VMC
Fylke
Østfold
Type hendelse
Luftfartsulykke
Type flyging
Skole
Kategori luftfart
Lett, helikopter (<= 2 250kg)
Flykategori
Helikopter, Single-engine, Turboprop/turboshaft
FIR/AOR
ENOS (Oslo ATCC)
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