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Other aircraft modifications

STC ST565CH

FAA DRS lists ST565CH as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3C-S1C3G, Boeing DC3C-S4C4G, and Boeing DC3C-SC3G, and 1 more aircraft configuration. Recorded change: Installation of a Fairchild F800 or F1000 digital flight data recorder. Snapshot dated June 30, 2026.

FAA-listed holder
Preferred Improvements LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Fairchild F800 or F1000 digital flight data recorder.

ST565CH 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 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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