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Other aircraft modifications

STC SA09159AC-D

FAA DRS lists SA09159AC-D as Current · Amended, held by S-TEC Corporation, for Piper Aircraft PA-28-235. Recorded change: Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-635,. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
1
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-635,.

SA09159AC-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: Piper Aircraft PA-28-235. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Piper Aircraft PA-28-2352A13

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Piper Aircraft PA-28-235 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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