NTSB Identification: ANC89LA103.
The docket is stored on NTSB microfiche number 39959.
Accident occurred Saturday, June 24, 1989 in ILIAMNA, AK
Probable Cause Approval Date: 03/29/1991
Aircraft: DE HAVILLAND DHC-2, registration: N5595M
Injuries: 2 Serious.

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

ON FINAL APPROACH THE ENGINE QUIT, AND THE AIRPLANE CRASHED INTO A WOODED AREA. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED AND THE PILOT AND PASSENGER WERE SERIOUSLY INJURED. AN EXAMINATION OF THE ENGINE REVEALED A MALFUNCTION OF THE MAGNETO. A THICK CRUST COATED BOTH POLES OF THE MAGNETO, WHICH CAUSED IT TO BIND INTERNALLY.

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

INADEQUATE ANNUAL INSPECTION BY MAINTENANCE PERSONNEL.

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