STC SA2-26
FAA DRS lists SA2-26 as Current · Reissued, held by Signature Flight Support Corporation, for Twin Commander Aircraft 680 and Twin Commander Aircraft 560-A. Recorded change: Installed 3/8 O.D. line from RH propeller governor pad on RH engine to LH propeller pad on LH engine. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA2-26 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.
Buyer checks
Confirm before sourcing
Related engine and powerplant STCs
Installation of a Engine Compressor Wash Drain Tube.
FAA holder: Hawker Pacific Pty Ltd
Installation of Walter a.s. turboprop engine model M601D-11 or M601E-11 with Avia Propeller Ltd. model V510, V510AG, V508E-AG/99A or V508E-AG/106A in accordance with Turbine Conversions Ltd. Drawing List, Report WAL2000, Revision A, dated March 4, 2005, or later approved revision.
FAA holder: Turbine Conversions Ltd