No fatalities

BELL 407 accident at Patterson, LA, 25 Sept 2021

Patterson, LA, United States

On September 25, 2021, a BELL 407 operated by RLC, LLC was involved in an aviation accident near Patterson, LA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain adequate clearance from a parked helicopter while hovering to reposition for takeoff. This summary draws on records from NTSB; 13 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 adequate clearance from a parked helicopter while hovering to reposition for takeoff.

— NTSB Determination

Contributing factors

PilotAwareness of condition