STC SA4578SW
FAA DRS lists SA4578SW as Current · Reissued, held by RAM Aircraft Limited Partnership, for Cessna Aircraft 210L, Cessna Aircraft 210M, and Cessna Aircraft 210N, and 4 more aircraft configurations. Recorded change: Installation of an auxiliary engine driven vacuum pump system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of an auxiliary engine driven vacuum pump system.
SA4578SW 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: Cessna Aircraft 210L, Cessna Aircraft 210M, and Cessna Aircraft 210N, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Cessna Aircraft 210L and Cessna Aircraft 210M, and 5 more aircraft configurations model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related engine and powerplant STCs
Removal of mechanical link between engine throttle control and propeller RPM control. Installation of a separate RPM control lever, linkage between Cirrus RPM cable/cam followers, center console to accommodate three-lever configuration, new knobs for all levers, and new installation hardware (nuts, bolts, etc).
FAA holder: Skyryse Inc.
Installation of Pratt & Whitney R985-AN-1 Engine, Hamilton Standard 2D30/6101A-12 Propeller; B75N1 (Navy N2S-3), N450V, S/N 75-6484.
FAA holder: AvComp, LLC
Installation of Pratt & Whitney R-985-AN-1, -AN-3, -AN14B, or -AN14BM engine, Hamilton Standard 2D30/6101A-12 or 2D30/6101A-12 or 22D30/6533A-12 propeller, modified fuel and oil systems.
FAA holder: AvComp LLC