STC SR04422CH
FAA DRS lists SR04422CH as Current · Issued, held by National Aircraft Service Inc, for Sikorsky Aircraft S-70, Sikorsky Aircraft S-70C, and Sikorsky Aircraft S-70C(M), and 2 more aircraft configurations. Recorded change: Installation of NASI NTEC36TM Cooling System in accordance with Master Data List (MDL) as listed on AML No. SR04422CH, or later FAA approved revision. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SR04422CH 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-70, Sikorsky Aircraft S-70C, and Sikorsky Aircraft S-70C(M), and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of Mid-Continent USB charging outlets model TA-102.
FAA holder: HELIBRAS - Helicópteros do Brasil S. A.
Group Reduced Vertical Separation Minimum (RVSM) airworthiness.
FAA holder: AeroMech Incorporated
Installation of Ground Recognition Lights.
FAA holder: 365 Aerospace DDS Limited
Installation of a gogo 2Ku Radome.
FAA holder: Delta Engineering Corporation
FAA record reference
- STC number
- SR04422CH
- Product
- Aircraft
- Country
- United States
- Application date
- February 1, 2018
- Revision date
- August 27, 2019
- CFR references
- Part 21, Part 23, Part 29