Accident Air Tractor AT-401 N1015A, Thursday 5 April 1990

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Date:	Thursday 5 April 1990
Time:	13:00 LT
Type:	Air Tractor AT-401
Owner/operator:	Simonton & Winborn
Registration:	N1015A
MSN:	401-0735
Year of manufacture:	1989
Total airframe hrs:	57 hours
Engine model:	P&W R-1340-AN1
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Hornersville, MO - United States of America
Phase:	Initial climb
Nature:	Agricultural
Departure airport:	Hornersville, MO
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PILOT SAID THAT SHORTLY AFTER TAKEOFF, DURING AN AERIAL APPLICATION OPERATION, THE ENGINE FAILED. AN EMERGENCY LANDING WAS MADE IN A SOFT, MUDDY FARM FIELD, RESULTING IN A NOSE OVER AND SUBSTANTIAL DAMAGE TO THE ACFT. A POST-ACCIDENT INVESTIGATION REVEALED THE #9 CYLINDER ON THE POWERPLANT HAD FAILED.

Probable Cause: FAILURE OF AN ENGINE CYLINDER.

Accident investigation: