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Other aircraft modifications

STC SA4425NM

FAA DRS lists SA4425NM as Current · Reissued, held by Airwolf Filter Corporation, for Cessna Aircraft 180C, Cessna Aircraft 180F, and Cessna Aircraft 180G, and 8 more aircraft configurations. Recorded change: Installation of an air/oil separator. Snapshot dated June 30, 2026.

FAA-listed holder
Airwolf Filter Corporation
Aircraft configurations
11
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an air/oil separator.

SA4425NM 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: Cessna Aircraft 180C, Cessna Aircraft 180F, and Cessna Aircraft 180G, and 8 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 180C5A6Cessna Aircraft 180F5A6Cessna Aircraft 180G5A6Cessna Aircraft 180D5A6Cessna Aircraft 1805A6Cessna Aircraft 180B5A6Cessna Aircraft 180A5A6Cessna Aircraft 180E5A6Cessna Aircraft 180J5A6Cessna Aircraft 180K5A6Cessna Aircraft 180H5A6

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 180C and Cessna Aircraft 180F, and 9 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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