NTSB Identification: ANC99LA034.
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Accident occurred Tuesday, March 16, 1999 in FAIRBANKS, AK
Probable Cause Approval Date: 04/20/2000
Aircraft: Cessna 150, registration: N8620S
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 private pilot rented the accident airplane from a local flight school. He reported that while in cruise flight, the engine began to run rough, and lose power. The engine continued to lose power until altitude could no longer be maintained, and the pilot selected a frozen lake as an emergency landing site. He said that as the airplane touched down, deep snow pivoted the airplane to the right, and the left wing struck the snow. An FAA inspector interviewed the owner of the airplane on the following day. He reported that the owner and his mechanic traveled to the accident site in order to recover the accident airplane. The owner told the FAA inspector that upon arrival at the accident site, the engine primer was found in the unlocked position. He added that once the primer was placed in the locked position, the engine was started. The airplane sustained substantial damage to the wings, fuselage, and elevator. During a subsequent follow-up telephone conversation with the NTSB investigator-in-charge, the pilot said the airplane's primer was in and locked at the time of the accident.

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

The loss of engine power for an undetermined reason.

Full narrative available

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