No fatalities

TEMCO GC-1B accident at Waukegan, IL, 8 Nov 2020

Waukegan, IL, United States

On November 8, 2020, a TEMCO GC-1B was involved in an aviation accident near Waukegan, IL. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain directional control during takeoff with a crosswind that resulted in a ground loop and impact with terrain. This summary draws on records from NTSB; 5 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s failure to maintain directional control during takeoff with a crosswind that resulted in a ground loop and impact with terrain.

— NTSB Determination

Contributing factors

PilotDirectional control — Not attained/maintainedEffect on operation