NTSB Identification: NYC82DA056
14 CFR Part 91: General Aviation
Accident occurred Thursday, March 18, 1982 in EMMAUS, PA
Probable Cause Approval Date: 03/18/1983
Aircraft: BELL 47J-2A, registration: N8565F
Injuries: 1 Serious,2 Uninjured.

WHILE MANEUVERING AT APPROXIMATELY 200 FEET AGL FOR AN AERIAL PHOTOGRAPHY MISSION A SUDDEN AND COMPLETE POWER FAILURE OCCURRED. THE PILOT INITIATED AUTOROTATION PROCEDURES AND SET A COURSE FOR THE ONLY OPEN AREA, A SMALL FIELD WITH A 15 DEGREE UPSLOPE. A FLARE WAS PERFORMED DOWNWIND AND THE AIRCRAFT LANDED HARD. THE ENGINE TEARDOWN EXAMINATION DID NOT REVEAL ANY EXPLANATION FOR THE LOSS OF POWER.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MISCELLANEOUS..UNDETERMINED


Contributing Factors

AUTOROTATION..PERFORMED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)

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