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Other aircraft modifications

STC SA8403SW-D

FAA DRS lists SA8403SW-D as Current · Amended, held by S-TEC Corporation, for Beechcraft 56TC, Beechcraft 95-55, and Beechcraft 95-A55, and 10 more aircraft configurations. Recorded change: Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-549. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
13
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SA8403SW-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 56TC, Beechcraft 95-55, and Beechcraft 95-A55, and 10 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft 56TC3A16Beechcraft 95-553A16Beechcraft 95-A553A16Beechcraft 95-B553A16Beechcraft 95-B55A3A16Beechcraft 95-B55B3A16Beechcraft 95-C553A16Beechcraft 95-C55A3A16Beechcraft A56TC3A16Beechcraft D553A16Beechcraft D55A3A16Beechcraft E553A16Beechcraft E55A3A16

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