STC SA2-89
FAA DRS lists SA2-89 as Current · Reissued, held by Signature Flight Support Corporation, for Twin Commander Aircraft 560. Recorded change: Installation of Lycoming GO-480-C1D6 engines and Hartzell HC 83X20-2C/8833-2 propellers. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA2-89 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 560. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related other aircraft modifications STCs
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Installation of a Honeywell Bendix/King KGP 560 GA-EGPWS System.
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Installation of a TCAS 4000 Traffic Alert and Collision Avoidance System.
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Installation of Teledyne System No. 112-9200 Normalized Angle of Attack System.
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