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Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026
NTSB events (1)
Accident · substantial damage
Jul 13, 1988 · Haines, AK
THE PILOT PURCHASED THE HELICOPTER WITH AN UNDOCUMENTED MODIFICATION DESIGNED TO RESTRAIN THE COLLECTIVE. REPORTEDLY, HERECEIVED NO GUIDANCE REGARDING THE USE OF THE COLLECTIVE HOLD-DOWN DEVICE. ACCORDING TO THE AIRCRAFT MANUFACTURER THERE EXISTED NO ENSTROM APPROVED COLLECTIVE HOLD-DOWN DEVICES OTHER THAN THE INSTALLED FRICTION LOCK. AFTER ENGINE START THE PILOT USED TWO HANDS TO RELEASE THE…
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
Airframe (F-28F)Only with: Helicopters with trim relay P/N KUP14D55-24, KUP14D55-472, M83536/10-015M, or M83536/10-024M installed; does not apply to helicopters with reversible trim motor P/N 28-16621 or P/N AD1R-10.
Airframe (F-28F)Only with: Helicopters with a trim relay P/N KUP14D55-472, M83536/10-015M, or M83536/10-024M installed; does not apply to helicopters with reversible trim motor P/N 28-16621 or AD1R-10.