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

All Bell 407 accidents →

Frequently asked questions

What happened in the 25 Sept 2021 BELL 407 accident near Patterson, LA?

The pilot’s failure to maintain adequate clearance from a parked helicopter while hovering to reposition for takeoff.

Were there any fatalities in the 25 Sept 2021 BELL 407 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 25 Sept 2021 involved a BELL 407, operated by RLC, LLC, at Patterson, LA.

What was the probable cause of the accident?

The pilot’s failure to maintain adequate clearance from a parked helicopter while hovering to reposition for takeoff.