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Cabin and interiors

STC SA509SW

FAA DRS lists SA509SW as Current · Reissued, held by Signature Flight Support Corporation, for Lockheed Martin Aeronautics 18. Recorded change: Installation of execulette side mounted lavatory. Snapshot dated June 30, 2026.

FAA-listed holder
Signature Flight Support Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of execulette side mounted lavatory.

SA509SW 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: Lockheed Martin Aeronautics 18. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Lockheed Martin Aeronautics 18A-723

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Lockheed Martin Aeronautics 18 model, serial range, and configuration?
  2. 02Which layout, materials, flammability evidence, and weight changes 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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