STC SA4046WE
FAA DRS lists SA4046WE as Current · Reissued, held by Thrush Aircraft Inc., for Ayres S-2R and Ayres S2R-R3S. Recorded change: Installation of passenger/cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 10379 "A", dated November 16, 1979, or later FAA approved revision. Pezetel PZL-3S engine is required with this installation. FAA Approved Serv-Aero Airplane Flight Manual No. 101079 dated November 26, 1979 is required with this installation. (S2R S/N 2526R and up modified by STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4046WE 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: Ayres S-2R and Ayres S2R-R3S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related engine and powerplant STCs
Installation of an engine power trim system.
FAA holder: United Airlines Inc
Modifies the aircraft to install Walter-Kidde engine fire detector assemblies with stud-type terminal connections. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 2761, dated September 6, 1989, or later FAA approved revisions.
FAA holder: United Airlines Inc