STC SR11923SE
FAA DRS lists SR11923SE as Current · Issued, held by Helicopter Transport Services LLC, for Erickson Air-Crane S-64E, Erickson Air-Crane S-64F, and Siller Helicopters CH-54A, and 2 more aircraft configurations. Recorded change: Installation of Helicopter Transport Services, LLC Shock Absorber HTS-2000. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Helicopter Transport Services, LLC Shock Absorber HTS-2000.
SR11923SE 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: Erickson Air-Crane S-64E, Erickson Air-Crane S-64F, and Siller Helicopters CH-54A, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Erickson Air-Crane S-64E and Erickson Air-Crane S-64F, and 3 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, limitations, installation data, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related rotorcraft modifications STCs
Installation of the Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP.
FAA holder: Helicopter Transport Services LLC
Installation of Bubble Windows in the Bell Helicopter Textron Model 407 Crew Doors.
FAA holder: Tech-Tool Plastics Inc
Installation of a sunvisor kit in cockpit of helicopters.
FAA holder: Bell Helicopter Textron Inc.
Revised the low limit of the normal operating envelope of the rotorcraft for cold weather operation to allow operation at minimum ambient air temperature of -35 C (-31 F).
FAA holder: AgustaWestland Philadelphia Corporation