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Aircraft structures

STC SA2709WE

FAA DRS lists SA2709WE as Current · Reissued, held by United Aeronautical Corporation, for Boeing DC-7, Boeing DC-7B, and Boeing DC-7C. Recorded change: Installation of 3000 gallon external retardant tanks under the fuselage at the wing center section. Snapshot dated June 30, 2026.

Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of 3000 gallon external retardant tanks under the fuselage at the wing center section.

SA2709WE 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: Boeing DC-7, Boeing DC-7B, and Boeing DC-7C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC-7 and Boeing DC-7B, and 1 more aircraft configuration 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?