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Avionics

STC SA4-602

FAA DRS lists SA4-602 as Current · Reissued, held by Brittain Industries, Inc, for Cessna Aircraft 172, Cessna Aircraft 172A, and Cessna Aircraft 172B, and 15 more aircraft configurations. Recorded change: Installed Brittain-Clarkson Autopilot. Snapshot dated June 30, 2026.

FAA-listed holder
Brittain Industries, Inc
Aircraft configurations
18
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installed Brittain-Clarkson Autopilot.

SA4-602 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 172, Cessna Aircraft 172A, and Cessna Aircraft 172B, and 15 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 1723A12Cessna Aircraft 172A3A12Cessna Aircraft 172B3A12Cessna Aircraft 172C3A12Cessna Aircraft 172D3A12Cessna Aircraft 172E3A12Cessna Aircraft 172F (USAF T-41A)3A12Cessna Aircraft 172G3A12Cessna Aircraft 172H (USAF T-41A)3A12Cessna Aircraft 172I3A12Cessna Aircraft 172K3A12Cessna Aircraft 172L3A12Cessna Aircraft 172M3A12Cessna Aircraft 172N3A12Cessna Aircraft 172P3A12Cessna Aircraft 172Q3A12Cessna Aircraft 172R3A12Cessna Aircraft 172S3A12

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 172 and Cessna Aircraft 172A, and 16 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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