STC SR09913AC
FAA DRS lists SR09913AC as Current · Reissued, held by Helicopter Transport Services LLC, for Helicopter Transport Services CH-54B, Helicopter Transport Services CH-54A (H16NM), and Helicopter Transport Services CH-54A (R00009SE). Recorded change: Installation of Composite Main Rotor Blade. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Composite Main Rotor Blade.
SR09913AC identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Helicopter Transport Services CH-54B, Helicopter Transport Services CH-54A (H16NM), and Helicopter Transport Services CH-54A (R00009SE). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Helicopter Transport Services CH-54B and Helicopter Transport Services CH-54A (H16NM), and 1 more aircraft configuration model, serial range, and configuration?
- 02Which propeller, governor, spinner, engine, and vibration limits apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related propellers STCs
Installation of Lycoming IO 540-K1B5 engines and Hartzell Propeller Hub, HC-F3YR-2U with blades, FC 8468-6R and Propeller Governor, F-6-11A.
FAA holder: Bazet Randolph August III
Extension of main rotor blade, P/N 61170-20201 series. For model S-61A, serial numbers 61-063, 61-147, 61-232, 61-272; for model S-61N, 61-216, 61-220, 61-242, 61-744; for model S-61R, 61-551.
FAA holder: Carson Helicopters, Inc
Installation of a Hartzell model PHC-C3YF-1RF propeller with F8468AK-8R blades in accordance with Mike Stohler s "Installation Instructions" Rev. IR dated September 19, 2003 or later FAA approved revision. Mike Stohler s "Instructions for Continued Airworthiness", Rev. IR dated September 19, 2003 or later FAA approved revision are a required part of this modification.
FAA holder: Stohler Mike