NTSB Identification: CHI85LA283.
The docket is stored on NTSB microfiche number 29696.
Accident occurred Wednesday, July 10, 1985 in ROSEAU, MN
Aircraft: Air Tractor AT301, registration: N23702
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE AIRCRAFT HAD BEEN AIRBORNE ABOUT 15 MIN ENGAGED IN AG SPRAY OPERATIONS WHEN THE PILOT DESCRIBED HEARING A LOUD BAND. ENGINE POWER DECREASED TO IDLE. PILOT LD IN SOFT SOIL AND NOSED OVER INVERTED.EXAM DISCLOSED #2 PISTON HAD FAILED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CYLINDER..FAILURE,TOTAL



Contributing Factors

TERRAIN CONDITION..SOFT

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