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Other aircraft modifications

STC SA117NW

FAA DRS lists SA117NW as Current · Reissued, held by Alaskan Turbine S.T.O.L. Aircraft, for Cessna Aircraft 401A, Cessna Aircraft 402, and Cessna Aircraft 402A, and 4 more aircraft configurations. Recorded change: Installation of Allison 250-B17 or 250-B17B engines and related changes. Snapshot dated June 30, 2026.

FAA-listed holder
Alaskan Turbine S.T.O.L. Aircraft
Aircraft configurations
7
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Allison 250-B17 or 250-B17B engines and related changes.

SA117NW 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 401A, Cessna Aircraft 402, and Cessna Aircraft 402A, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 401AA7CECessna Aircraft 402A7CECessna Aircraft 402AA7CECessna Aircraft 414A7CECessna Aircraft 401BA7CECessna Aircraft 401A7CECessna Aircraft 402BA7CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 401A and Cessna Aircraft 402, 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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