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Aircraft structures

STC SA3-434

FAA DRS lists SA3-434 as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3-G102, Boeing DC3-G102A, and Boeing DC3-G103A, and 11 more aircraft configurations. Recorded change: Picture window installation and standard window modification. Snapshot dated June 30, 2026.

FAA-listed holder
Preferred Improvements LLC
Aircraft configurations
14
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Picture window installation and standard window modification.

SA3-434 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 DC3-G102, Boeing DC3-G102A, and Boeing DC3-G103A, and 11 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC3-G102A-618Boeing DC3-G102AA-618Boeing DC3-G103AA-618Boeing DC3-G202AA-618Boeing DC3A-S1C3GA-669Boeing DC3A-S1CGA-669Boeing DC3A-S4C4GA-669Boeing DC3A-SC3GA-669Boeing DC3A-SCGA-669Boeing DC3C-R-1830-90CA-669Boeing 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 DC3-G102 and Boeing DC3-G102A, and 12 more aircraft configurations 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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