STC SA09157AC-D
FAA DRS lists SA09157AC-D as Current · Amended, held by S-TEC Corporation, for Cessna Aircraft 175, Cessna Aircraft 175A, and Cessna Aircraft 175B, and 1 more aircraft configuration. Recorded change: Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-633,. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA09157AC-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 175, Cessna Aircraft 175A, and Cessna Aircraft 175B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
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Related other aircraft modifications STCs
Installation of dual Honeywell Mode S transponders, with dual upper and lower antennas.
FAA holder: ACSS (Aviation Communication and Surveillance Syst
Installation of provisions for traffic alert and collision avoidance system(TCAS).
FAA holder: ACSS (Aviation Communication and Surveillance Syst
Installation of single Honeywell TCAS computer, dual VSI/TRA displays, and gables speaker assembly. STC SA7827SW and Dual Mode S transponders are required with this modification.
FAA holder: ACSS (Aviation Communication and Surveillance Syst