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Aircraft performance

STC ST11178SC

FAA DRS lists ST11178SC as Current · Amended, held by Braddick USA LLC, for Boeing DC3C-S1C3G, Boeing DC3C-S4C4G, and Boeing DC3C-SC3G, and 1 more aircraft configuration. Recorded change: Structural modifications necessary for the increase in maximum gross takeoff weight from 26,900 lbs to 29,000 lbs for STC SA3820SW - converted Douglas DC3C aircraft (specific models listed). Snapshot dated June 30, 2026.

FAA-listed holder
Braddick USA LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Structural modifications necessary for the increase in maximum gross takeoff weight from 26,900 lbs to 29,000 lbs for STC SA3820SW - converted Douglas DC3C aircraft (specific models listed).

ST11178SC 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 DC3C-S1C3G, Boeing DC3C-S4C4G, and Boeing DC3C-SC3G, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC3C-S1C3GA-669Boeing DC3C-S4C4GA-669Boeing DC3C-SC3GA-669Boeing DC3D-R-1830-90CA-669

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC3C-S1C3G and Boeing DC3C-S4C4G, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which limits, loading assumptions, performance data, and supplements 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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