On August 9, 2005, a Grumman G-164 (registration N553Y) was involved in an aviation accident near Georgetown, MN. Investigators recorded the probable cause as: The reported loss of engine power for undetermined reasons while maneuvering and the low altitude of the operation. Related factors were the unsuitable terrain encountered by the pilot, and trees. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An agricultural aircraft lost all engine power while conducting an aerial application mission. The pilot attempted a forced landing but impacted a powerline pole, trees, and terrain. Post-accident inspection of the engine revealed no mechanical anomalies.
What happened
During an aerial application mission, the agricultural aircraft experienced a complete loss of engine power. In response to the emergency, the pilot attempted to execute a forced landing. The aircraft subsequently impacted a powerline pole, followed by trees and terrain.
The investigation
Following the accident, investigators conducted an inspection of the aircraft's engine. The examination revealed no anomalies associated with the reported loss of engine power.
Findings
The mechanical inspection of the engine showed no evidence of pre-impact failure or malfunction that would explain the power loss.