STC SA8121SW
FAA DRS lists SA8121SW as Current · Reissued, held by ZEE Systems Inc., for Air Tractor AT-502, Air Tractor AT-502A, and Air Tractor AT-502B. Recorded change: Installation of freon air conditioner. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of freon air conditioner.
SA8121SW 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, Air Tractor AT-502A, and Air Tractor AT-502B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Air Tractor AT-502 and Air Tractor AT-502A, and 1 more aircraft configuration 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
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S/N 3501 ONLY: Installation of 15x6.00-6 tires.
FAA holder: Mee Two Aviation Inc.