No fatalities

SCHLEICHER ALEXANDER GMBH & CO ASH 26 E accident at Williams, CA, 26 Jun 2023

Williams, CA, United States

On June 26, 2023, a SCHLEICHER ALEXANDER GMBH & CO ASH 26 E was involved in an aviation accident near Williams, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in a collision with terrain. This summary draws on records from NTSB; 7 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in a collision with terrain.

— NTSB Determination

Contributing factors

Effect on operationAttain/maintain not possible