No fatalities

ROBINSON HELICOPTER COMPANY R44 II accident at Nashua, NH, 23 May 2022

Nashua, NH, United States

On May 23, 2022, a ROBINSON HELICOPTER COMPANY R44 II was involved in an aviation accident near Nashua, NH. No fatalities were reported. Investigators recorded the probable cause as: The flight instructor’s failure to maintain control of the helicopter during the takeoff, which resulted in a dynamic rollover. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The flight instructor’s failure to maintain control of the helicopter during the takeoff, which resulted in a dynamic rollover.

— NTSB Determination

Contributing factors

Instructor/check pilotLateral/bank control — Not attained/maintained