TailLookup

Hiller OH-23G — registry & accident history

Compiled from FAA & NTSB records · as of Jul 24, 2026

There are 39 Hiller OH-23G airframes on record (built 1957–1976), 4 currently registered. 1 has one or more NTSB accident records (1 records total). Data as of Jul 24, 2026.

39
Airframes
4
Registered
1957–1976
Years
1
NTSB records

Recent Hiller OH-23G accidents

  1. N99579Jun 23, 2011No injuries

    The separation of the tail rotor drive gear shaft due to torsional fatigue of its threaded portion, which resulted in a loss of tail rotor control.

Hiller OH-23G aircraft