Location and Conditions
Amitchiak Lake is situated in a mountain valley at a field elevation of 2,500 feet. The wind was blowing from the north, northwest.
Takeoff and Maneuvers
The airplane took off into the wind and subsequently had to make a turn to avoid rising terrain. The takeoff area was directly downwind of rising terrain.
Witness Observation
According to a witness, the airplane banked to the left and was flying in a south, southwesterly direction over the water when the airplane's nose went down and the airplane nosed into the water.
Wreckage Examination
Examination of the airplane wreckage showed no mechanical irregularity with the flight controls, engine, and other systems on the airplane.