STC ST01820CH
FAA DRS lists ST01820CH as Current · Reissued, held by Aviation Communication and Surveillance Systems (ACSS) LLC, for McDonnell Douglas DC-9-81, McDonnell Douglas DC-9-82, and McDonnell Douglas DC-9-83, and 2 more aircraft configurations. Recorded change: Installation of Aviation Communication and Surveillance System TCAS provisions. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST01820CH 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-9-81, McDonnell Douglas DC-9-82, and McDonnell Douglas DC-9-83, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks