Accident Brantly Helicopter B-2 N6799D, Tuesday 2 July 1985

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Date:	Tuesday 2 July 1985
Time:	20:00 LT
Type:	Brantly Helicopter B-2
Owner/operator:	Private
Registration:	N6799D
MSN:	19
Total airframe hrs:	1295 hours
Engine model:	Lycoming VO-360-A1A
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Denison, IA - United States of America
Phase:	Approach
Nature:	Private
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
PLT REPORTS THAT THE ENG IDLE SETTING WAS TOO LOW AND THE ENG QUIT WHEN HE REDUCED POWER DURING A PRACTICE AUTOROTATION. THE ACFT TOUCHED DOWN HARD AND THE MAIN ROTOR CONTACTED TAIL BOOM.

Probable Cause:

Accident investigation: