No fatalities

GRUMMAN AMERICAN AVN. CORP. AA-5B accident at Lone Pine, CA, 19 Aug 2023

Lone Pine, CA, United States

On August 19, 2023, a GRUMMAN AMERICAN AVN. CORP. AA-5B was involved in an aviation accident near Lone Pine, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot's inability to maintain altitude after encountering a downdraft, which resulted in collision with terrain. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot's inability to maintain altitude after encountering a downdraft, which resulted in collision with terrain.

— NTSB Determination

Contributing factors

PilotCapability exceededAltitude — Not attained/maintainedEffect on operationAbility to respond/compensateContributed to outcome