Accident Van's RV-6 N391DS, Wednesday 18 September 1991

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Date:	Wednesday 18 September 1991
Time:	09:30 LT
Type:	Van's RV-6
Owner/operator:	Private
Registration:	N391DS
MSN:	20206
Engine model:	Lycoming O-320-D1A
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Kennewick, WA - 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:
THE PILOT REDUCED POWER TO IDLE WHILE ON FINAL APPROACH FOR THE FIRST LANDING IN THE HOMEBUILT ACFT AND THE ENGINE QUIT. HE INITIATED A FORCED LANDING AND THE ACFT IMPACTED SOFT TERRAIN SHORT OF THE RUNWAY AND NOSED OVER. POST ACCIDENT TESTS OF THE ENGINE REVEALED LOW IDLE RPM SETTING.

Probable Cause: THE LOSS OF POWER DUE TO THE PILOT/BUILDER'S IMPROPER ADJUSTMENT OF THE ENGINE IDLE SPEED. A FACTOR RELATING TO THE ACCIDENT WAS THE SOFT TERRAIN AT THE ACCIDENT SITE.

Accident investigation: