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Other aircraft modifications

STC SA4583SW

FAA DRS lists SA4583SW as Current · Reissued, held by Air Comm Corporation, for Twin Commander Aircraft 690, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690B, and 4 more aircraft configurations. Recorded change: Installation of an electrically-driven Vapor Cycle, Freon or Refrigerant R-134a, Air Conditioning System. Snapshot dated June 30, 2026.

FAA-listed holder
Air Comm Corporation
Aircraft configurations
7
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an electrically-driven Vapor Cycle, Freon or Refrigerant R-134a, Air Conditioning System.

SA4583SW 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: Twin Commander Aircraft 690, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690B, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 6902A4Twin Commander Aircraft 690A2A4Twin Commander Aircraft 690B2A4Twin Commander Aircraft 690C2A4Twin Commander Aircraft 690D2A4Twin Commander Aircraft 6952A4Twin Commander Aircraft 695A2A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 690 and Twin Commander Aircraft 690A, and 5 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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