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Aircraft structures

STC SA1320WE

FAA DRS lists SA1320WE as Current · Reissued, held by Atlantic Coast Sea Planes LLC, for McKinnon A G G-21C and McKinnon A G G-21D. Recorded change: G-21C: Installation of two United Aircraft of Canada Drawing List Model PT6A-20 engines. G-21D: installation of two United Aircraft of Canada Ltd Model PT6A-20 engines, Alvarez-Calderon wing flaps, and related changes. Snapshot dated June 30, 2026.

FAA-listed holder
Atlantic Coast Sea Planes LLC
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

G-21C: Installation of two United Aircraft of Canada Drawing List Model PT6A-20 engines. G-21D: installation of two United Aircraft of Canada Ltd Model PT6A-20 engines, Alvarez-Calderon wing flaps, and related changes.

SA1320WE 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: McKinnon A G G-21C and McKinnon A G G-21D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

McKinnon A G G-21C4A24
McKinnon A G G-21D4A24

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact McKinnon A G G-21C and McKinnon A G G-21D 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?

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