NTSB Identification: CHI85LA272.
The docket is stored on NTSB microfiche number 30250.
Accident occurred Friday, July 05, 1985 in HASTINGS, MI
Aircraft: STINSON 108-2, registration: N9306K
Injuries: 2 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 PURPOSE OF THE FLIGHT WAS TO BREAK IN THE NEWLY OVERHAULED ENGINE. THE PILOT STATED THAT HE HAD BEEN FLYING AROUND THE LOCAL AREA FOR ABOUT 25 MINUTES WHEN HE HEARD A CLANK AND THE ENGINE LOST COMPLETE POWER. THE PILOT DETERMINED THAT A TREE LANDING WAS IMPENDING DUE TO THE LACK OF AN OPEN FIELD. THE ACFT COLLIDED WITH TREES IN A NOSE HIGH, WINGS LEVEL,STALLED ATTITUDE. THE ACFT CAME TO REST IN A TREE ABOUT 10 FT AGL. DISASSEMBLY OF THE ENGINE DISCLOSED THE CRANKSHAFT GEAR HAD FAILED. METALLURGICAL EXAM DETERMINED HIGH CYCLE FATIGUE.

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

ENGINE ASSEMBLY..FAILURE,TOTAL

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

MAINTENANCE..INADEQUATE..OTHER MAINTENANCE PERSONNEL


Contributing Factors

TERRAIN CONDITION..NONE SUITABLE


Contributing Factors

OBJECT..TREE(S)

Index for Jul1985 | Index of months