No fatalities

ROBINSON HELICOPTER R44 accident at Mineral Point, WI, 20 Jul 2021

Mineral Point, WI, United States

On July 20, 2021, a ROBINSON HELICOPTER R44 operated by MF HELICOPTERS LLC was involved in an aviation accident near Mineral Point, WI. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to see and avoid a wire during an aerial application flight, resulting in a collision with the wire. 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 see and avoid a wire during an aerial application flight, resulting in a collision with the wire.

— NTSB Determination

Contributing factors

Pilot

Frequently asked questions

What happened in the 20 Jul 2021 ROBINSON HELICOPTER R44 accident near Mineral Point, WI?

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

Were there any fatalities in the 20 Jul 2021 ROBINSON HELICOPTER R44 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 20 Jul 2021 involved a ROBINSON HELICOPTER R44, operated by MF HELICOPTERS LLC, at Mineral Point, WI.

What was the probable cause of the accident?

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