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Electrical systems

STC SA2-75

FAA DRS lists SA2-75 as Current · Reissued, held by Signature Flight Support Corporation, for Twin Commander Aircraft 520, Twin Commander Aircraft 560-A, and Twin Commander Aircraft 560, and 1 more aircraft configuration. Recorded change: Revised and installed new electrical components. Snapshot dated June 30, 2026.

FAA-listed holder
Signature Flight Support Corporation
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Revised and installed new electrical components.

SA2-75 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 520, Twin Commander Aircraft 560-A, and Twin Commander Aircraft 560, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 5206A1Twin Commander Aircraft 560-A6A1Twin Commander Aircraft 5606A1Twin Commander Aircraft 6802A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 520 and Twin Commander Aircraft 560-A, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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?

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Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 800 in accordance with Installation and Operating Instructions, Form EA 109K, dated April 23, 2001, or later FAA approved revisions. The Medical Oxygen System Kit P/N 807 is an FAA approved option. The Inverter/Pump Kit No. 812 may be installed in accordance with Inverter/Pump Installation Instructions, EA Form 170, dated June 9, 2001, or later FAA approved revisions.

FAA holder: Paul/ Lanna Egan LLC

View record