STC SA5581SW
FAA DRS lists SA5581SW as Current · Reissued, held by Alcor LLC, for Aeronautica Macchi SpA AL60-B, Aeronautica Macchi SpA AL60, and Aeronautica Macchi SpA AL60-F5, and 37 more aircraft configurations. Recorded change: Installation of ALCOR true-flow/ totalizer system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of ALCOR true-flow/ totalizer system.
SA5581SW 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: Aeronautica Macchi SpA AL60-B, Aeronautica Macchi SpA AL60, and Aeronautica Macchi SpA AL60-F5, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Aeronautica Macchi SpA AL60-B and Aeronautica Macchi SpA AL60, and 38 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
The manufacture of a Commander Sunvisor System in accordance with Rosen Sunvisor Systems Drawing List No. 1430000-DL, Revision D, dated July 19, 2004, or later Federal Aviation Administration (FAA) approved revision. The sunvisor system must be installed and maintained in accordance with Rosen Sunvisor Systems Installation and Continued Airworthiness Instructions Document 9050-0143-001, Revision C, dated June 29, 2004, or later FAA approved revision.
FAA holder: Rosen Sunvisor Systems LLC
Cockpit sunvisor retrofit kit.
FAA holder: Rosen Sunvisor Systems LLC
Replacement of existing torquemeters.
FAA holder: AVMAR a Michigan Corporation
Intermixing of main rotor blades of the same part number.
FAA holder: Heli-Support Inc