No fatalities

8 Jul 2025: STINSON 108 — Seguin, TX

Seguin, TX, United States

On 8 Jul 2025, a STINSON 108 was involved in an aviation accident near Seguin, TX. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to turn off the magneto switch before repositioning the propeller by hand which resulted in an inadvertent engine start. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

Probable cause

The pilot’s failure to turn off the magneto switch before repositioning the propeller by hand which resulted in an inadvertent engine start.

— NTSB Determination

Contributing factors

Incorrect use/operationPilotUnintentional use/operation