NTSB Identification: ANC90LA098.
The docket is stored on NTSB microfiche number 41327.
Nonscheduled 14 CFR
Accident occurred Wednesday, June 27, 1990 in CARIBOU LAKE, AK
Probable Cause Approval Date: 02/12/1993
Aircraft: DE HAVILLAND DHC-2, registration: N5147G
Injuries: 3 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 REPORTED A COMPLETE LOSS OF POWER SHORTLY AFTER TAKEOFF FROM CARIBOU LAKE. HE SAID THAT HE MADE A CONTROLLED LANDING INTO SMALL SPRUCE TREES, CAUSING SUBSTANTIAL DAMAGE TO THE AIRPLANE. A SUBSEQUENT INSPECTION OF THE AIRPLANE'S ENGINE REVEALED THAT THE NUMBER NINE CYLINDER HAD SEPARATED, CAUSING THE LOSS OF POWER.

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

A POWER LOSS CAUSED BY THE FAILURE OF A PISTON CYLINDER.

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