STC ST04058CH
FAA DRS lists ST04058CH as Current · Reissued, held by Astronics Armstrong Aerospace, for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 8 more aircraft configurations. Recorded change: Installation and activation of an Astronics webFB System and/or Flight Deck USB UltraLite Power System (Provisions for Class 2 EFB Systems). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation and activation of an Astronics webFB System and/or Flight Deck USB UltraLite Power System (Provisions for Class 2 EFB Systems).
ST04058CH 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: Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 8 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 737-300 Series and Boeing 737-400 Series, and 9 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, 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 other aircraft modifications STCs
Certification of Compatibility with Cellular and Wireless Data Technologies.
FAA holder: Armstrong Aerospace
Reduced Vertical Separation Minimum (RVSM) non-group airworthiness approval of specific Raytheon Aircraft Company Model 400A aircraft.
FAA holder: Cutter Aviation Inc
The installation of a Pratt & Whitney Flight Data Acquisition, Storage and Transmission System (FAST).
FAA holder: Pratt & Whitney Engine Services Inc.
Modification of the carburetor air box assemblies.
FAA holder: Aerospace Welding Minneapolis Inc.