NTSB Identification: ANC89LA102.
The docket is stored on NTSB microfiche number 38909.
Nonscheduled 14 CFR
Accident occurred Friday, June 23, 1989 in TUNTUTULIAK, AK
Probable Cause Approval Date: 04/24/1990
Aircraft: PIPER PA-32-300, registration: N15306
Injuries: 5 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.

BEFORE REACHING THE DESTN, THE ENG BEGAN RUNNING ROUGH, THEN LOST POWER. SUBSEQUENTLY, THE ACFT HIT A MUD BANK & WAS DAMAGED AS THE PLT WAS LANDING ON TUNDRA ABOUT 1 MI FROM THE ARPT. AN EXAM OF THE ENG REVEALED THE CRANKSHAFT HAD FAILED.

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

FAILURE OF THE ENGINE CRANKSHAFT. A CONTRIBUTING FACTOR TO AIRCRAFT DAMAGE WAS A MUD (DIRT) BANK WHICH THE AIRCRAFT HIT DURING THE EMERGENCY LANDING.

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