STC SA4121SW
FAA DRS lists SA4121SW as Current · Reissued, held by Curry Aviation LLC, for Textron Aviation 180, Textron Aviation 180A, and Textron Aviation 180B, and 36 more aircraft configurations. Recorded change: Add wing strut fairings and contour wing struts. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4121SW 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: Textron Aviation 180, Textron Aviation 180A, and Textron Aviation 180B, and 36 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related aircraft structures STCs
High Visibility Crew Door Kits in accordance with Aeronautical Accessories, Inc. Drawing List, Report No. AA-03141, Revision B, dated March 4, 2004, or later DAS approved revisions; and installation per Report No. AA-03137, Revision A, dated February 9, 2004, and AA-03145, Revision A, dated February 25, 2004 or later DAS approved revisions.
FAA holder: Bell Helicopter Textron Inc.
High Visibility Door Kits in accordance with Aeronautical Accessories, Inc. Drawing List, Report No. AA-05155, Revision G, dated January 25, 2007, or later DAS approved revision; and Installation Instructions Report No. AA-06086, Revision D, dated January 25, 2007 or later DAS approved revision.
FAA holder: Bell Helicopter Textron Inc.