Casualties unknown

1983-08-10: Grumman American AA1 (N6105L) — Bishop, CA

Bishop, CA, US

On August 10, 1983, a Grumman American AA1 (registration N6105L) was involved in an aviation accident near Bishop, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

An aircraft made a forced landing after the pilot experienced pitch control problems. The landing gear collapsed on hard landing. Investigation found a missing bolt on the elevator trim tab linkage, but no bird strike evidence.

Forced Landing and Hard Landing

Approximately 10 to 15 minutes after takeoff, the pilot reported experiencing pitch control problems. He was unable to turn the aircraft and executed a forced landing straight ahead. During the landing, the aircraft touched down hard, causing the landing gear to collapse.

Pilot Observations and Post-Accident Findings

The pilot initially stated that he might have struck a bird, but after the accident, he noted that a bolt on the elevator trim tab linkage was missing. Subsequent examination of the aircraft found no evidence of a bird strike.

Maintenance History

Maintenance records indicated that during the last 100-hour inspection, the rudder, aileron, and elevator cables were inspected, and the elevator bungee housing was inspected with no defects found. That inspection was performed at a tachometer time of 1068.3 hours. The tachometer time after the accident was 1127.74 hours.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X44212. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.