STC ST04530AT
FAA DRS lists ST04530AT as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3A-S1C3G, Boeing DC3C-S4C4G, and Boeing DC3C-SC3G, and 1 more aircraft configuration. Recorded change: Installation of a wingtip modification on DC3C aircraft (specific models listed). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a wingtip modification on DC3C aircraft (specific models listed).
ST04530AT 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 DC3A-S1C3G, Boeing DC3C-S4C4G, and Boeing DC3C-SC3G, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing DC3A-S1C3G and Boeing DC3C-S4C4G, and 2 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs 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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