STC SA554WE
FAA DRS lists SA554WE as Current · Reissued, held by SOUTHWESTERN AERO EXCHANGE INC., for Raytheon Aircraft D18S, Raytheon Aircraft D18C, and Raytheon Aircraft C-45G, and 4 more aircraft configurations. Recorded change: Installation of square topped stair cabin door. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA554WE 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: Raytheon Aircraft D18S, Raytheon Aircraft D18C, and Raytheon Aircraft C-45G, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related cabin and interiors STCs
Relocation of the cabin pressurization control unit.
FAA holder: Textron Aviation Inc