Accident Fairchild Hiller FH-1100 N1345Q, Thursday 26 August 1982

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Date:	Thursday 26 August 1982
Time:	18:30 LT
Type:	Fairchild Hiller FH-1100
Owner/operator:	Jerry Lee Alley
Registration:	N1345Q
MSN:	168
Total airframe hrs:	6800 hours
Engine model:	Allison 250-C18
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Mason City, IA - United States of America
Phase:	Manoeuvring (airshow, firefighting, ag.ops.)
Nature:	Agricultural
Departure airport:	Clear Lake, IA
Destination airport:	Clear Lake, IA
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING A SWATH RUN, THE ENGINE RPM DROPPED TO FLIGHT IDLE AND THE HELICOPTER WAS LANDED HARD IN A CLEAR AREA BESIDE THE FIELD. AN INVESTIGATION REVEALED THAT A SENSING LINE FOR THE FUEL CONTROL SYSTEM HAD FAILED. THIS PREVENTED THE ENGINE FROM OPERATING ABOVE IDLE POWER.

Probable Cause:

Accident investigation: