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Avionics

STC ST02027CH

FAA DRS lists ST02027CH as Current · Reissued, held by Airborne Maintenance & Engineering Services (AMES), for McDonnell Douglas DC-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 11 more aircraft configurations. Recorded change: Installation of a second Rockwell Collins Mode-S transponder. Snapshot dated June 30, 2026.

FAA-listed holder
Airborne Maintenance & Engineering Services (AMES)
Aircraft configurations
14
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a second Rockwell Collins Mode-S transponder.

ST02027CH 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: McDonnell Douglas DC-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 11 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

McDonnell Douglas DC-9-11A6WEMcDonnell Douglas DC-9-12A6WEMcDonnell Douglas DC-9-13A6WEMcDonnell Douglas DC-9-14A6WEMcDonnell Douglas DC-9-15A6WEMcDonnell Douglas DC-9-15FA6WEMcDonnell Douglas DC-9-21A6WEMcDonnell Douglas DC-9-31A6WEMcDonnell Douglas DC-9-32A6WEMcDonnell Douglas DC-9-33FA6WEMcDonnell Douglas DC-9-34A6WEMcDonnell Douglas DC-9-34FA6WEMcDonnell Douglas DC-9-41A6WEMcDonnell Douglas DC-9-51A6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact McDonnell Douglas DC-9-11 and McDonnell Douglas DC-9-12, and 12 more aircraft configurations 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?

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