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Other aircraft modifications

STC SA01639NY

FAA DRS lists SA01639NY as Current · Amended, held by Scale Modelbuilders Inc., for Air Tractor AT-401, Air Tractor AT-401A, and Air Tractor AT-401B, and 37 more aircraft configurations. Recorded change: Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. Snapshot dated June 30, 2026.

FAA-listed holder
Scale Modelbuilders Inc.
Aircraft configurations
40
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SA01639NY 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-401, Air Tractor AT-401A, and Air Tractor AT-401B, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air 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-602A19SWAir Tractor AT-802A19SWAir Tractor AT-802AA19SWAir Tractor AT-250A9SWAir Tractor AT-300A9SWAir Tractor AT-301A9SWAir Tractor AT-302A9SWAir Tractor AT-400A9SWAir Tractor AT-400AA9SWAllied Ag Cat Productions G-1641A16Allied Ag Cat Productions G-164A1A16Allied Ag Cat Productions G-164B1A16Allied Ag Cat Productions G-164B-15T1A16
Allied AgCat Productions G-164B-20T1A16
Allied Ag Cat Productions G-164B-34T1A16Allied Ag Cat Productions G-164B (with 73 inch wing gap)1A16Allied Ag Cat Productions G-164C1A16Allied Ag Cat Productions G-164D1A16Allied Ag Cat Productions G-164D (with 73 inch wing gap)1A16
Ayres 600-S-2C2A7
Ayres S-2B2A7
Ayres S-2C2A7Ayres 600 S-2DA3SWAyres S-2RA3SWAyres S2R-R1340A3SWAyres S2R-R3SA3SWAyres S2R-T11A3SWAyres S2R-T15A3SW

Buyer checks

Confirm before sourcing

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