STC SA21GL
FAA DRS lists SA21GL as Current · Reissued, held by Honeywell International Inc., for Cessna Aircraft 172B, Cessna Aircraft 172M, and Cessna Aircraft 172A, and 27 more aircraft configurations. Recorded change: Installation of Grimes multi-plexed anti-collision light system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA21GL 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: Cessna Aircraft 172B, Cessna Aircraft 172M, and Cessna Aircraft 172A, and 27 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related other aircraft modifications STCs
Installation of a Ritec Thermal Printer in B767-200/-300 Series Aircraft.
FAA holder: Avionics Support Group Inc.