NTSB Identification: ANC87LA091.
The docket is stored on NTSB microfiche number 33429.
Accident occurred Monday, July 06, 1987 in WHITE MOUNTAIN, AK
Probable Cause Approval Date: 05/09/1988
Aircraft: DORNIER DO-27, registration: N777AX
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 PILOT STATED THAT WHILE CRUISING AT 2000 FEET MSL THE ENGINE STARTED TO RUN ROUGH. HE MADE AN EMERGENCY LANDING ON THE TUNDRA. EXAMINATION OF THE ENGINE REVEALED THE NUMBER ONE AND NUMBER TWO CYLINDERS BROKE AND SEPARATED IN FLIGHT.

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

ENGINE ASSEMBLY,CYLINDER..FAILURE,TOTAL

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

ENGINE ASSEMBLY,CYLINDER..SEPARATION

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