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Aircraft structures

STC SA09123AC-D

FAA DRS lists SA09123AC-D as Current · Amended, held by S-TEC Corporation, for New Piper Aircraft PA-23-235, New Piper Aircraft PA-23-250 (Navy UO-1), and New Piper Aircraft PA-E23-250. Recorded change: Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System, Model ST-607, with Optional Autotrim System. Limited to Piper models PA-23-250 and PA-E23-250, s/n 27-2000 through s/n 27-7554172. Eligible on same models when equipped with approved turbocharged engines (250 hp) and/or wing tip tanks per STC SA1480WE. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
3
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System, Model ST-607, with Optional Autotrim System. Limited to Piper models PA-23-250 and PA-E23-250, s/n 27-2000 through s/n 27-7554172. Eligible on same models when equipped with approved turbocharged engines (250 hp) and/or wing tip tanks per STC SA1480WE.

SA09123AC-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: New Piper Aircraft PA-23-235, New Piper Aircraft PA-23-250 (Navy UO-1), and New Piper Aircraft PA-E23-250. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

New Piper Aircraft PA-23-2351A10New Piper Aircraft PA-23-250 (Navy UO-1)1A10New Piper Aircraft PA-E23-2501A10

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact New Piper Aircraft PA-23-235 and New Piper Aircraft PA-23-250 (Navy UO-1), and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which configuration, loads, materials, inspections, and damage limits 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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