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Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026
NTSB events (2)
Accident · substantial damage
Jul 25, 1998 · Skwentna, AK
A loss of engine power due to a fractured number three cylinder intake manifold flange, and the pilot's inability to maintain the proper rate of descent during the autorotation flare. A contributing factor associated with the accident was the downwind (tailwind) landing condition.
THE ACFT DID A HARD LANDING DURING AUTOROTATION AFTER THE ENGINE RAN ROUGH AND QUIT AT 250 FT AGL DURING TAKEOFF. THE PILOT HAD LEANED THE MIXTURE, HE SAID, PRIOR TO TAKEOFF AND HE WAS NOT SURE IF HE PUSHED THE MIXTURE TO FULL RICH WHEN THE ENGINE STARTED TO MISS AND RUN ROUGH. DURING AUTOROTATION HE MAINTAINED 50 MPH WITH LITTLE FLARE FOR LANDING. THE ENGINE WAS CHECKED AFTER THE ACCIDENT AND…
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.