NTSB Identification: WPR12LA365
14 CFR Part 91: General Aviation
Accident occurred Monday, August 20, 2012 in McCall, ID
Probable Cause Approval Date: 05/21/2014
Aircraft: CESSNA 182Q, registration: N735KV
Injuries: 2 Minor.

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 flight instructor reported that, as he and the pilot-rated passenger flew through a canyon, the airplane gained airspeed and altitude. As they continued toward their destination, the flight instructor directed the pilot to turn right at a branch in the canyon. Shortly after, the terrain elevation increased, and it exceeded the airplane’s climb performance, and the airplane subsequently impacted trees. The density altitude for the area was calculated to be about 8,524 feet, which would have affected the airplane’s climb performance. A postaccident examination of the engine revealed no evidence of mechanical malfunctions or failures that would have prevented normal operation.

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

The flight instructor’s selection of the wrong route while flying in mountainous terrain at a high-density altitude, which resulted in the airplane impacting terrain when the increase in elevation exceeded the airplane’s climb performance.

Full narrative available

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