STC ST04203AT
FAA DRS lists ST04203AT as Current · Amended, held by Avionics Support Group Inc., for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 7 more aircraft configurations. Recorded change: Installation of a Constant Friction Mount , Cradle, and Integrated Power Supply. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST04203AT 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 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related electrical systems STCs
Installation of Securaplane Model XL246-A emergency battery pack.
FAA holder: Bombardier Completion Center Inc
Installation of B&C Specialty products BC410-1 Standby Alternator.
FAA holder: B & C Specialty Products Inc
Modification to aircraft electrical power system.
FAA holder: Rockwell Collins Inc
Installation of Lucas Aerospace Model 23195-001 500 amp starter/generator.
FAA holder: Lockheed Martin Management & Data Systems
FAA record reference
- STC number
- ST04203AT
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- August 29, 2013
- Revision date
- November 21, 2023
- CFR references
- Part 25