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Avionics

STC SA09527AC-D

FAA DRS lists SA09527AC-D as Current · Reissued, held by S-TEC Corporation, for Twin Commander Aircraft 690B, Twin Commander Aircraft 690, and Twin Commander Aircraft 690A. Recorded change: Installation of DFCS 01284 (MAGIC 2100) Autopilot System, Model ST-902. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of DFCS 01284 (MAGIC 2100) Autopilot System, Model ST-902.

SA09527AC-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: Twin Commander Aircraft 690B, Twin Commander Aircraft 690, and Twin Commander Aircraft 690A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 690B and Twin Commander Aircraft 690, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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?