STC SA2-491
FAA DRS lists SA2-491 as Current · Reissued, held by Gulfstream Aerospace Corporation, for McDonnell Douglas DC-3 Series. Recorded change: Aircraft fuselage modified to incorporate enlarged windows. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Aircraft fuselage modified to incorporate enlarged windows.
SA2-491 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: McDonnell Douglas DC-3 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact McDonnell Douglas DC-3 Series model, serial range, and configuration?
- 02Which configuration, loads, materials, inspections, and damage limits apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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Installation of external under- wing military stores designated as the ALE-2, ALQ-167, ACMR, ALQ-176 and Snoopy system.
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Installation of certain External Under-Wing Military Stores designated as the HUTTS LTC-2 and LTC-6 target tow systems.
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