Accident Hiller UH-12E N62377, Monday 12 March 1984

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Date:	Monday 12 March 1984
Time:	12:00 LT
Type:	Hiller UH-12E
Owner/operator:	Mountain Air Helicopters
Registration:	N62377
MSN:	1152
Total airframe hrs:	10602 hours
Engine model:	Allison 250-C20B
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Forest Grove, OR - United States of America
Phase:	Taxi
Nature:	Unknown
Departure airport:	Forest Grove, OR
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PLT REPORTED THAT WHILE HOVERING, DURING AN EXTERNAL LOAD OPERATION, THE ENG LOST POWER & BLUE SMOKE & FLAMES EXITED THE BACK OF THE HELICOPTER. THE HELICOPTER THEN STRUCK TREES BEFORE COMING TO REST. DURING AN INVESTIGATION, THE ENG STARTED NORMALLY & WAS RUN TO 56% (N1) & 88% (N2). NO CONTAMINENTS WERE FOUND IN THE FUEL SYS.

Probable Cause:

Accident investigation: