Accident Rand Robinson KR-2 N570TS, Saturday 20 April 1991

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Date:	Saturday 20 April 1991
Time:	11:10 LT
Type:	Rand Robinson KR-2
Owner/operator:	Private
Registration:	N570TS
MSN:	5700-56
Total airframe hrs:	491 hours
Engine model:	HAPI 60-2DM
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Spokane, WA - United States of America
Phase:	En route
Nature:	Private
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING A PLEASURE FLIGHT, THE PILOT REPORTED THAT THE ENGINE RPM DROPPED AND THE ENGINE QUIT. A FORCED LANDING WAS INITIATED IN AN OPEN FIELD. DURING THE POST-CRASH INSPECTION, IT WAS FOUND THAT THE SHAFT OF A CURTIS QUICKDRAIN VALVE WAS MISSING WHICH ALLOWED THE FUEL TO DRAIN.

Probable Cause: A FAILURE OF THE FUEL DRAIN VALVE WHICH RESULTED IN FUEL EXHAUSTION AND A LOSS OF ENGINE POWER.

Accident investigation: