STC SA09530AC-D
FAA DRS lists SA09530AC-D as Current · Issued, held by S-TEC Corporation, for Twin Commander Aircraft 500-S. Recorded change: Installation of S-TEC System 55X Two-Axis Automatic Flight Guidance System, Model ST-904. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued
Recorded modification
What the FAA record covers
SA09530AC-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 500-S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
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