STC SA355WE
FAA DRS lists SA355WE as Current 路 Amended, held by Atlantic Coast Sea Planes LLC, for Grumman American Aviation G-21A and Grumman American Aviation G-21. Recorded change: Installation of hull vents. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current 路 Amended
Recorded modification
What the FAA record covers
SA355WE 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-21A and Grumman American Aviation G-21. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of Isolett Mounting Bracket.
FAA holder: RSG Products
Installation of EMS Bus and EMS Annunciators.
FAA holder: RSG Products
FAA record reference
- STC number
- SA355WE
- Product
- Aircraft 路 Single-Engine
- Country
- United States
- Application date
- February 14, 1963
- Revision date
- March 7, 2008
- CFR references
- Part 21