STC SA4-1551
FAA DRS lists SA4-1551 as Current · Amended, held by Atlantic Coast Sea Planes LLC, for Grumman American Aviation G-21 and Grumman American Aviation G-21A. Recorded change: Installation of electric gear retract motor. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended
Recorded modification
What the FAA record covers
SA4-1551 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.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
Installation of a cockpit warning speaker.
FAA holder: Page AvJet Corp
Installation of a Lockheed digital flight data recorder.
FAA holder: Page AvJet Corp