Accident Cessna A188B N731VY, Friday 15 April 1983

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Date:	Friday 15 April 1983
Time:	16:15 LT
Type:	Cessna A188B
Owner/operator:	Private
Registration:	N731VY
MSN:	18803201T
Year of manufacture:	1978
Total airframe hrs:	464 hours
Engine model:	Continental IO-520D
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Williamson, NY - United States of America
Phase:	Initial climb
Nature:	Agricultural
Departure airport:	Williamson, NY (3G7)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE ACFT COLLIDED WITH A TREE DURING A FORCED LANDING AFTER A POWER LOSS ON TAKEOFF. THE PILOT HAD A LOAD OF 125 GALLONSOF A FUNGICIDE FOR SPRAYING TREES WHEN THE ENGINE QUIT AT ABOUT 100 FT AGL. THE LOAD WAS DUMPED AND THE ACFT WAS TURNED TO THE RIGHT FOR A LANDING IN AN OPEN FIELD. THE ACFT CONTACTED A TREE ON THE BOUNDARY OF THE FIELD AND ROTATED ABOUT 45DEGREES TO THE RIGHT. IT THEN LANDED AND BOUNCED AROUND AND ENDED UP HEADING NORTH IN AN UPRIGHT POSITION. A POST ACCIDENT EXAMINATION DETERMINED THAT THE ENGINE WOULD ONLY RUN WITH THE ELECTRIC FUEL BOOST PUMP ON. THE ENGINE DRIVEN FUEL PUMP (PN 638154-1) HAD SEIZED AND THE DRIVE SHAFT HAD SHEARED. THE SEIZURE OCCURRED AT THE SHAFT SEAL (P/N 13507).

Probable Cause:

Accident investigation: