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
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.
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.
FAA record reference
- STC number
- SR11923SE
- Product
- Aircraft · Rotorcraft
- Country
- United States
- Application date
- April 28, 2024
- Revision date
- March 11, 2025
- CFR references
- Part 29