On August 14, 2020, a Schweizer SGS233 A was involved in an aviation accident near Warner Springs, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot's inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing. This summary draws on records from NTSB; 4 related events involving the same aircraft type or operator are linked below.
A glider pilot encountered stronger than expected downdrafts during return flight, forcing a landing in rough terrain that damaged both wings. No mechanical issues were reported.
Incident Overview
A glider pilot reported that during the return flight to the airport, the aircraft encountered downdrafts stronger than anticipated. The pilot determined that there was insufficient altitude to reach the intended airport and selected an area for a forced landing. During the landing roll on rough terrain, both wings sustained substantial damage.
Pilot Statement
The pilot further stated that there were no preaccident mechanical failures or malfunctions with the glider that would have precluded normal operation. The aircraft was under control throughout the event, and the forced landing was executed as a result of the unexpected downdraft conditions.
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