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Other aircraft modifications

STC SR00931SE

FAA DRS lists SR00931SE as Current · Amended, held by Simplex Manufacturing Company, for Evergreen Helicopters CH-54A, Helicopter Transport Services CH-54B, and Helicopter Transport Services CH-54A, and 1 more aircraft configuration. Recorded change: Fabrication of Simplex Model 314 Fire Attack System. Snapshot dated June 30, 2026.

Aircraft configurations
4
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Fabrication of Simplex Model 314 Fire Attack System.

SR00931SE 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: Evergreen Helicopters CH-54A, Helicopter Transport Services CH-54B, and Helicopter Transport Services CH-54A, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Evergreen Helicopters CH-54A and Helicopter Transport Services CH-54B, and 2 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?