No fatalities

HELICOPTERES GUIMBAL CABRI G2 accident at Claremore, OK, 8 Nov 2023

Claremore, OK, United States

On November 8, 2023, a HELICOPTERES GUIMBAL CABRI G2 operated by TRUFLIGHT HELICOPTER ACADEMY LLC was involved in an aviation accident near Claremore, OK. No fatalities were reported. Investigators recorded the probable cause as: The flight instructor’s failure to maintain sufficient rotor speed during a practice autorotation which resulted in a hard landing. This summary draws on records from NTSB; 7 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 sufficient rotor speed during a practice autorotation which resulted in a hard landing.

— NTSB Determination

Contributing factors

Instructor/check pilotLanding flare — Not attained/maintained