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Other aircraft modifications

STC SA09428AC-D

FAA DRS lists SA09428AC-D as Current · Issued, held by S-TEC Corporation, for Cessna Aircraft F172M, Cessna Aircraft F172N, and Cessna Aircraft F172P. Recorded change: Installation of S-TEC System 40X/50X single and two axis automatic flight guidance systems, Model ST-868-40X/50X. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of S-TEC System 40X/50X single and two axis automatic flight guidance systems, Model ST-868-40X/50X.

SA09428AC-D 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 F172M, Cessna Aircraft F172N, and Cessna Aircraft F172P. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft F172MA4EUCessna Aircraft F172NA4EUCessna Aircraft F172PA4EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft F172M and Cessna Aircraft F172N, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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