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Aircraft structures

STC SA4-1323

FAA DRS lists SA4-1323 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Raytheon Aircraft C18S, Raytheon Aircraft 3N, and Raytheon Aircraft 3NM, and 7 more aircraft configurations. Recorded change: Installation of stair type entrance door, rectangular windows and outside opening baggage compartment. Snapshot dated June 30, 2026.

Aircraft configurations
10
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of stair type entrance door, rectangular windows and outside opening baggage compartment.

SA4-1323 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: Raytheon Aircraft C18S, Raytheon Aircraft 3N, and Raytheon Aircraft 3NM, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft C18S and Raytheon Aircraft 3N, and 8 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, loads, materials, inspections, and damage limits 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?