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Other aircraft modifications

STC SA09235AC-D

FAA DRS lists SA09235AC-D as Current · Amended, held by S-TEC Corporation, for Beechcraft 23, Beechcraft A23-24, and Beechcraft A23, and 7 more aircraft configurations. Recorded change: Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance system, Model ST-667. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
10
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance system, Model ST-667.

SA09235AC-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: Beechcraft 23, Beechcraft A23-24, and Beechcraft A23, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft 23A1CEBeechcraft A23-24A1CEBeechcraft A23A1CEBeechcraft A23AA1CEBeechcraft A24A1CEBeechcraft A24RA1CEBeechcraft B23A1CEBeechcraft B24RA1CEBeechcraft C23A1CEBeechcraft C24RA1CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft 23 and Beechcraft A23-24, and 8 more aircraft configurations 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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