STC SA4-1055
FAA DRS lists SA4-1055 as Current 路 Reissued, held by Atlantic Coast Sea Planes LLC, for Grumman American Aviation G-21 and Grumman American Aviation G-21A. Recorded change: Rotary beacon installation. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-1055 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: Grumman American Aviation G-21 and Grumman American Aviation G-21A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of Trash Compactors.
FAA holder: Safran Cabin Galleys US Inc.
Installation of Trash Compactor Assembly.
FAA holder: Safran Cabin Galleys US Inc.
Installation of trash compactor.
FAA holder: Safran Cabin Galleys US Inc.
Installation of Trash Compactor Assembly.
FAA holder: Safran Cabin Galleys US Inc.
FAA record reference
- STC number
- SA4-1055
- Product
- Aircraft 路 Single-Engine
- Country
- United States
- Application date
- September 22, 1958
- Revision date
- March 7, 2008
- CFR references
- Part 21