Accident Piper PA-12 N2GV, Saturday 15 June 1991

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Date:	Saturday 15 June 1991
Time:	13:36 LT
Type:	Piper PA-12
Owner/operator:	Sky Signs, Inc.
Registration:	N2GV
MSN:	12-824
Year of manufacture:	1946
Total airframe hrs:	2556 hours
Engine model:	Lycoming O-320-A2B
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Conway, SC - United States of America
Phase:	En route
Nature:	Unknown
Departure airport:	Conway, SC
Destination airport:	N Myrtle Beach, SC
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE BANNER TOW PILOT WAS CRUISING ADJACENT TO A LOCAL GOLF COURSE AT 1000 AGL WHEN HE EXPERIENCED A GRADUAL LOSS OF ENGINE POWER FOLLOWED BY A COMPLETE LOSS OF ENGINE POWER. ATTEMPTS TO REGAIN FULL POWER AND RESTART THE ENGINE FAILED. THE PILOT MANEUVERED THE AIRPLANE INTO POSITION FOR AN APPROACH TO A FAIRWAY AND RELEASED THE BANNER. THE AIRPLANE CAME TO REST 15 FEET OFF THE DEPARTURE END OF THE FAIRWAY IN A WOODED AREA. SUBSEQUENT EXAMINATIONS OF THE AIRPLANE REVEALED THAT THE #2 EXHAUST VALVE HAD FAILED. THE ENGINE WAS LAST OVERHAULED 2556 HOURS PRIOR TO THIS ACCIDENT. THE EXHAUST VALVE'S TIME IN SERVICE WAS NOT DETERMINED.

Probable Cause: FAILURE OF THE NUMBER TWO EXHAUST VALVE, WHICH RESULTED IN LOSS OF ENGINE POWER.

Accident investigation: