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

Frequently asked questions

What happened in the 15 Sept 2021 ROBINSON HELICOPTER CO R66 accident near Reynoldsville, IL?

The pilot’s failure to maintain clearance from the wire during low altitude operations in windy conditions.

Were there any fatalities in the 15 Sept 2021 ROBINSON HELICOPTER CO R66 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 15 Sept 2021 involved a ROBINSON HELICOPTER CO R66, operated by THOMPSON FLYING SERVICE LLC, at Reynoldsville, IL.

What was the probable cause of the accident?

The pilot’s failure to maintain clearance from the wire during low altitude operations in windy conditions.