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Cessna 172N Firefighting Crash Near Wynoochee Dam (N65170)

Wynoochee Lake, United States of AmericaFlight

On September 29, 1990, a Lockheed P-2 Neptune (registration N65170) operated by Black Hills Aviation was involved in an aviation accident near Wynoochee Lake, United States of America in flight. 2 people were killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

A Cessna 172N (N738AQ) crashed in the Olympic National Forest after losing control during a climb following a fire retardant drop near Lake Wynoochee. Both pilots were killed.

Incident Overview A Cessna 172N, registration N738AQ, crashed in the Olympic National Forest earlier that day, resulting in a fire. The aircraft was operating in the region of Lake Wynoochee on a firefighting mission.## Sequence of Events After the crew dropped fire retardant, they initiated a climb. During this maneuver, control of the aircraft was lost, and it crashed into a wooded area near the Wynoochee Dam.## Casualties Both pilots aboard the aircraft were killed in the crash. The source does not specify the exact date, operator, or detailed cause of the accident beyond the loss of control during the climb.

Loss of control in flight

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Same operator

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