STC SA8764SW
FAA DRS lists SA8764SW as Current · Reissued, held by Turbine Conversions Ltd, for Air Tractor AT-502. Recorded change: Installation of an improved cowling, air inlet and filtration system on Model AT-502 in accordance with Frakes Aviation, drawing list FA 7900B,Rev B, dated 11-30-93. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA8764SW 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: Air Tractor AT-502. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Modification of engine cooling air louvres on top of cowling.
FAA holder: RAM Aircraft Limited Partnership
Modify engine to increase power output rating from 310 hp to 335 hp, install Garrett/AlliedSignal TA-81 turbocharger, RAM intercooler, RAM economy camshaft, RAM oil pump pickup tube, RAM forged pistons with gapless rings, and 0.02 inch undersized crankshaft.
FAA holder: RAM Aircraft Limited Partnership
Install locknuts on cylinder attachment studs and thru-bolts, and install 6 additional cylinder attachment studs onto engine crankcases.
FAA holder: RAM Aircraft Limited Partnership
Installation of Teledyne Continental Motors IO-550 engine.
FAA holder: Texas Skyways Inc
FAA record reference
- STC number
- SA8764SW
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- January 7, 1993
- Revision date
- May 10, 2011
- CFR references
- Part 21