No fatalities

ROBINSON HELICOPTER CO R66 accident at Reynoldsville, IL, 15 Sept 2021

Reynoldsville, IL, United States

On September 15, 2021, a ROBINSON HELICOPTER CO R66 operated by THOMPSON FLYING SERVICE LLC was involved in an aviation accident near Reynoldsville, IL. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain clearance from the wire during low altitude operations in windy conditions. This summary draws on records from NTSB; 16 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 clearance from the wire during low altitude operations in windy conditions.

— NTSB Determination

Contributing factors

PilotEffect on operation