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Other aircraft modifications

STC SA7529SW

FAA DRS lists SA7529SW as Current · Reissued, held by Greenwich Aircraft Corporation, for Boeing DC3C-R-1830-90C, Boeing DC3C-S1C3G, and Boeing DC3C-S4C4G, and 1 more aircraft configuration. Recorded change: Removal of lead ballast from front and aft faces of original firewalls. Snapshot dated June 30, 2026.

FAA-listed holder
Greenwich Aircraft Corporation
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Removal of lead ballast from front and aft faces of original firewalls.

SA7529SW 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-R-1830-90C, Boeing DC3C-S1C3G, and Boeing DC3C-S4C4G, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

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

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC3C-R-1830-90C and Boeing DC3C-S1C3G, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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