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Engine and powerplant

STC SA2-22

FAA DRS lists SA2-22 as Current · Reissued, held by Signature Flight Support Corporation, for Twin Commander Aircraft 680 and Twin Commander Aircraft 560-A. Recorded change: Install 2 each 3/8 O.D. lines from LH nacelle to RH firewall. Snapshot dated June 30, 2026.

FAA-listed holder
Signature Flight Support Corporation
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA2-22 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 680 and Twin Commander Aircraft 560-A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 6802A4Twin Commander Aircraft 560-A6A1

Buyer checks

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