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Other aircraft modifications

STC SA04488AT

FAA DRS lists SA04488AT as Current · Amended, held by EverReady Aviation LLC ., for Textron Aviation 35-33, Textron Aviation 35-A33, and Textron Aviation 35-B33, and 9 more aircraft configurations. Recorded change: Installation of an "Ever-Air" air conditioning system utilizing R134a refrigerant. Snapshot dated June 30, 2026.

FAA-listed holder
EverReady Aviation LLC .
Aircraft configurations
12
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of an "Ever-Air" air conditioning system utilizing R134a refrigerant.

SA04488AT 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: Textron Aviation 35-33, Textron Aviation 35-A33, and Textron Aviation 35-B33, and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 35-333A15Textron Aviation 35-A333A15Textron Aviation 35-B333A15Textron Aviation 35-C333A15Textron Aviation E333A15Textron Aviation F333A15Textron Aviation H353A15Textron Aviation J353A15Textron Aviation K353A15Textron Aviation M353A15Textron Aviation N353A15Textron Aviation P353A15

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 35-33 and Textron Aviation 35-A33, and 10 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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?

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