No fatalities
4 Aug 2021: ROBINSON HELICOPTER R44 — Rotors LLC — Waukon, IA
On 4 Aug 2021, a ROBINSON HELICOPTER R44 operated by Rotors LLC was involved in an aviation accident near Waukon, IA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain adequate clearance from a powerline during an agricultural application pass. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.
Probable cause
The pilot’s failure to maintain adequate clearance from a powerline during an agricultural application pass.
— NTSB Determination
Contributing factors
Awareness of conditionAltitude — Not attained/maintainedPilot