STC ST00231LA-D
FAA DRS lists ST00231LA-D as Current · Amended, held by Midwest Express Airlines, for McDonnell Douglas DC-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 5 more aircraft configurations. Recorded change: Installation of PTC Model 950 first class seats modified for aft facing and provisions only modification for GTE phone system.Note: Responsible ACO is Los Angeles ACO, NM-L. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST00231LA-D 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 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks