STC SA4-180
FAA DRS lists SA4-180 as Current 路 Reissued, held by FTG, Inc., for Sikorsky Aircraft S-51. Recorded change: Installation of VIP P/N 101-78 engine mounts. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current 路 Reissued
Recorded modification
What the FAA record covers
SA4-180 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: Sikorsky Aircraft S-51. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Sikorsky Aircraft S-51H-2
Related engine and powerplant STCs
FAA record reference
- STC number
- SA4-180
- Product
- Aircraft 路 Rotorcraft
- Country
- United States
- Application date
- February 20, 1957
- Revision date
- May 13, 2022
- CFR references
- Part 21