No fatalities

20 Jul 2021: ROBINSON HELICOPTER COMPANY R44 II — West Liberty, IA

West Liberty, IA, United States

On 20 Jul 2021, a ROBINSON HELICOPTER COMPANY R44 II was involved in an aviation accident near West Liberty, IA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to see and avoid a wire while maneuvering at low altitude during an aerial application flight, resulting in a collision with the wire. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

Probable cause

The pilot’s failure to see and avoid a wire while maneuvering at low altitude during an aerial application flight, resulting in a collision with the wire.

— NTSB Determination

Contributing factors

Pilot