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Other aircraft modifications

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.

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FAA-listed holder
Honeywell International Inc.
Aircraft configurations
30
FAA revision date
FAA status
Current · Reissued

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.

Cessna Aircraft 172B3A12Cessna Aircraft 172M3A12Cessna Aircraft 172A3A12Cessna Aircraft 172C3A12Cessna Aircraft 172D3A12Cessna Aircraft 172E3A12Cessna Aircraft 172N3A12Cessna Aircraft 172L3A12Cessna Aircraft 172K3A12Cessna Aircraft 172I3A12Cessna Aircraft 172H (USAF T-41A)3A12Cessna Aircraft 172G3A12Cessna Aircraft 172F (USAF T-41A)3A12Cessna Aircraft 172P3A12Cessna Aircraft 1723A12Cessna Aircraft 182B3A13Cessna Aircraft 1823A13Cessna Aircraft 182C3A13Cessna Aircraft 182A3A13Cessna Aircraft 182K3A13Cessna Aircraft 182P3A13Cessna Aircraft 182J3A13Cessna Aircraft 182N3A13Cessna Aircraft 182H3A13Cessna Aircraft 182M3A13Cessna Aircraft 182L3A13Cessna Aircraft 182F3A13Cessna Aircraft 182D3A13Cessna Aircraft 182E3A13Cessna Aircraft 182G3A13

Related other aircraft modifications STCs

FAA record reference

STC number
SA21GL
Product
Aircraft · Single-Engine
Country
United States
Application date
March 14, 1973
Revision date
June 4, 2007
CFR references
Part 21