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Other aircraft modifications

STC SA09426AC-D

FAA DRS lists SA09426AC-D as Current · Issued, held by S-TEC Corporation, for Cessna Aircraft 172R and Cessna Aircraft 172S. 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
2
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.

SA09426AC-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 172R and Cessna Aircraft 172S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 172R3A12Cessna Aircraft 172S3A12

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 172R and Cessna Aircraft 172S 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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