STC SA4268WE
FAA DRS lists SA4268WE as Current · Reissued, held by Thrush Aircraft Inc., for Ayres S-2R and Ayres S2R-R3S. Recorded change: Installation of Wright R-1820-71, -60, GR1820G-202A; 702C9GC1, 2, 3, 4; 704C9GC1, 2, 3, or 4 engines and Hamilton Standard 43D50 or 33D50 constant speed propeller or Wright R1820-97 engine and H.S. 23E50 propeller, 506 gallon fiberglass hopper, wing mounted oil cooler, and revised cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 9700 "A", dated November 24, 1980, or later FAA approved revision. FAA Approved Serv-Aero Airplane Flight Manual No. 112680, dated November 26, 1980 is required with this modification. See continuation sheets. (S2R, S/N 2526R AND UP, S2R-R3S, S/N R3S-001 AND UP). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4268WE 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.
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