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Aircraft structures

STC SA12204WI

FAA DRS lists SA12204WI as Current · Reissued, held by Air Tractor Inc., for Air Tractor AT-400, Air Tractor AT-400A, and Air Tractor AT-401, and 15 more aircraft configurations. Recorded change: Wing Spar Cap manufacturing process change. Snapshot dated June 30, 2026.

FAA-listed holder
Air Tractor Inc.
Aircraft configurations
18
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Wing Spar Cap manufacturing process change.

SA12204WI 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-400, Air Tractor AT-400A, and Air Tractor AT-401, and 15 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air Tractor AT-400A9SWAir Tractor AT-400AA9SWAir Tractor AT-401A17SWAir Tractor AT-401AA17SWAir Tractor AT-401BA17SWAir Tractor AT-402A17SWAir Tractor AT-402AA17SWAir Tractor AT-402BA17SWAir Tractor AT-501A17SWAir Tractor AT-502A17SWAir Tractor AT-502AA17SWAir Tractor AT-502BA17SWAir Tractor AT-503A17SWAir Tractor AT-503AA17SWAir Tractor AT-504A17SWAir Tractor AT-602A19SWAir Tractor AT-802A19SWAir Tractor AT-802AA19SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Air Tractor AT-400 and Air Tractor AT-400A, and 16 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, loads, materials, inspections, and damage limits apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

Related aircraft structures STCs

SA6073NMAircraft structures

Installation of fatigue sensor and structural life extension of wing spar in accordance with FAA approved SIE Master Drawing List 91000, Revision A, dated September 23, 1993, or later FAA approved revision, and FAA approved Airplane Flight Manual Supplement Report No. SIE-12-601, Revision N/C, dated October 19, 1993 or later FAA approved Airplane Flight Manual Supplement, and Report No. SIE-12-602, Revision N/C, dated December 21, 1993, or later FAA approved Revision. (SIE-12-601 is for model C99 only, and SIE-12-602 is for the remaining models, 99, 99A, A99A, and B99.).

FAA holder: Structural Integrity Engineering

View record