STC SA8908SW-D
FAA DRS lists SA8908SW-D as Current · Amended, held by S-TEC Corporation, for Cessna Aircraft 335, Cessna Aircraft 340, and Cessna Aircraft 340A. Recorded change: Installation of S-TEC System 55 Two Axis automatic flight guidance system, Model ST-575, with optional autotrim system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA8908SW-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 335, Cessna Aircraft 340, and Cessna Aircraft 340A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
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