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Other aircraft modifications

STC SA09142AC-D

FAA DRS lists SA09142AC-D as Current · Amended, held by S-TEC Corporation, for Beechcraft D50, Beechcraft D50A, and Beechcraft D50B, and 7 more aircraft configurations. Recorded change: Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-626,. 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-626,.

SA09142AC-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 D50, Beechcraft D50A, and Beechcraft D50B, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft D505A4Beechcraft D50A5A4Beechcraft D50B5A4Beechcraft D50C5A4Beechcraft D50E5A4Beechcraft E505A4Beechcraft F505A4Beechcraft G505A4Beechcraft H505A4Beechcraft J505A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft D50 and Beechcraft D50A, 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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