Accident Hiller UH-12E N2726C, Tuesday 29 May 1984

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Date:	Tuesday 29 May 1984
Time:	11:15 LT
Type:	Hiller UH-12E
Owner/operator:	Circle Bin Sales, Inc.
Registration:	N2726C
MSN:	2188
Total airframe hrs:	7140 hours
Engine model:	Lycoming VO-540-B1A
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Bedford, IA - United States of America
Phase:	Manoeuvring (airshow, firefighting, ag.ops.)
Nature:	Agricultural
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PLT HAD MADE TWO SWATH RUNS & WAS DESCENDING TO BEGIN THE THIRD. HE STATED THAT THE TURN WAS DOWNWIND & AS HE APPROACHED THE LEVEL-OFF ALTITUDE HE ENCOUNTERED A DOWNDRAFT. THE ACFT IMPACTED THE GROUND & ROLLED OVER. THE PLT ALSO STATED THAT THE DOWNDRAFT MAY HAVE COME FROM HIS OWN DOWNWASH.

Probable Cause:

Accident investigation: