On December 26, 1983, a Cessna 170B (registration N2601D) was involved in an aviation accident near Mcgrath, AK. Investigators recorded the probable cause as: The pilot's failure to maintain adequate airspeed during the landing on a snow-covered runway, which resulted in the aircraft nosing over. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A pilot experienced a partial loss of power and attempted an emergency landing on a runway covered with approximately two feet of snow, resulting in the aircraft nosing over.
What happened
The pilot reported that the engine experienced a partial loss of power during flight. The application of carburetor heat did not improve the situation. The pilot decided to land at the nearest airport. According to the pilot, the runway was covered with approximately two feet of snow. During the landing, the aircraft nosed over.
The investigation
An inspection revealed that the primer line had come loose.
Probable cause
The pilot's failure to maintain adequate airspeed during the landing on a snow-covered runway, which resulted in the aircraft nosing over.