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Avionics

STC ST04125NY

FAA DRS lists ST04125NY as Current · Issued, held by Fokker Services B.V., for Bombardier DHC-8-401 and Bombardier DHC-8-402. Recorded change: Installation of transponder and ADS-B Out upgrade. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of transponder and ADS-B Out upgrade.

ST04125NY 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: Bombardier DHC-8-401 and Bombardier DHC-8-402. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bombardier DHC-8-401 and Bombardier DHC-8-402 model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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?