Background
A commercial pilot was conducting a solo cargo flight under visual flight rules (VFR). The flight was a cross-country operation.
Accident Sequence
While flying over a large, featureless lagoon covered with snow, the pilot encountered flat light conditions. According to the pilot, these conditions made it difficult to discern any topographical features of the terrain. The pilot did not realize that the airplane had entered a descent. The airplane continued to descend and ultimately struck the snow-covered lagoon.
Aircraft Damage
The collision resulted in substantial damage to the wings and fuselage of the airplane.
Pilot and Mechanical Observations
The pilot reported that there were no preaccident mechanical anomalies with the airplane.
Weather Conditions
Reported weather at the time included a 1,200-foot overcast ceiling and visibility of 9 statute miles.