On August 13, 1993, a Grumman-schweizer G-164A (registration N7993) was involved in an aviation accident near Garwood, TX. Investigators recorded the probable cause as: THE PARTIAL POWER LOSS FOR UNDETERMINED REASONS. A FACTOR WAS THE LACK OF SUITABLE TERRAIN ONTO WHICH A FORCED LANDING COULD BE EXECUTED. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Shortly after takeoff, the engine began backfiring and running rough. The pilot's remedial actions did not restore power, leading to a forced landing in a rice field where the airplane nosed over. The cause of the power loss was not determined.
Sequence of Events
Shortly after takeoff, the engine began backfiring and running rough. The pilot attempted remedial actions, but these did not alleviate the power loss. The pilot was unable to sustain level flight and determined that a forced landing was necessary.
Forced Landing
The only available landing option was a rice field. The pilot executed a forced landing in that field. During the landing roll, the airplane nosed over.
Investigation
Investigators were unable to determine the reason for the power loss because the operator had disposed of the engine before it could be examined. No further details regarding the aircraft, operator, or location were provided.