FAA STC category
Aircraft structures STCs
Fuselage, wing, floor, door, window, frame, and other structural changes. This directory contains 1,149 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.
Installation of door on the left side of airplane.
FAA holder: Univair Aircraft Corporation
Install replacement fuselage tube or tube reinforcement.
FAA holder: Cub Crafters Inc
Fiberglass wing tips and wing tip landing lights.
FAA holder: Aircraft Lighting & Components
Installation of Fuselage Side Fairings.
FAA holder: Northrop Grumman Systems Corporation
Install fuselage-mounted white anti-collision strobe lights.
FAA holder: United Airlines Inc
Installation of a flight deck door in accordance with Duganair Technologies Inc., Index List, QS-00001-3A, Revision B, dated August 27, 2003, or later FAA approved revisions. FAA Approved Flight Manual Supplement No. QWC737101-4, Revision 1, dated December 16, 2004, or later FAA approved revision is required as part of this installation.
FAA holder: Quiet Wing Technologies, Inc.
: Installation of reinforced cockpit door in accordance with FAA Approved Duganair Technologies, Inc. MDL QS-00003, Revision J, dated April 1, 2003, or FAA approved revision (for 727-200 series airplanes) or MDL QS-00003, Revision L, dated July 21, 2003, or later FAA approved revision for both 727-100 and -200 series airplanes).
FAA holder: Quiet Wing Technologies, Inc.
Installation of a flight deck door.
FAA holder: Quiet Wing Technologies, Inc.
ONE ONLY STC, SN 20512: Installation of Quit Wing Transient Suppression Device and Float Level Sensor Adapter.
FAA holder: Quiet Wing Technologies, Inc.
Installation of an Aux Window Blower System Upgrade on Learjet Model 31A-144. Data required: 1) LJSC Ltd. Master Document List MDL4049-25207, Revision A, dated March 28, 2005; and 2) LJSC Ltd. Airplane Flight Manual Supplement FMS4049-25207, Revision IR, dated May 4, 2005; or later FAA approved revisions to (1) or (2).
FAA holder: Global Aviation Technologies
Installation of the Cockpit Door Hold Open Latch.
FAA holder: Field Aviation Company Inc
Manufacture of Replacement Crew Door Window.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of crew logging bubble window.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of baggage floor protectors.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of replacement passenger door window.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of crew vertical slide window.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of passenger vertical slide window.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of replacement chin bubble window assemblies.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of replacement electronic bay access door window assemblies.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of rubber mounted chin bubble window.
FAA holder: Bell Helicopter Textron Inc.
Installation of floor proximity lighting system.
FAA holder: BF Goodrich Aerospace
Installation of Hoskins Supple- mental Model A or B high intensity wing tip lights.
FAA holder: BF Goodrich Aerospace
Manufacture of Baggage Floor Protectors in accordance with Aeronautical Accessories, Inc. Report No. AA-97051, no revision, dated March 27, 1997 or later FAA approved revisions and installation per Report No. AA-95046, Revision A, dated March 13, 1997, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Locking Door Handle.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Replacement Locking Door Handle in accordance with Aeronautical Accessories, Inc. Report No. AA-98026, no revision, dated February 11, 1998 or later FAA approved revisions and installation per Report No. AA-96072, Revision D, dated February 11, 1998, or later FAA approved revision.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Replacement Crew Door Window Assembly in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-99027, no revision, dated March 23, 1999, or later FAA approved revision, and installation per Report No. AA-99029, no revision, dated March 18, 1999, or later FAA approved revision.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Baggage Floor Protector in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98097, no revision, dated October 2, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98091, no revision, dated July 27, 1998, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Replacement Crew Window in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98145, no revision, dated October 5, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98111, no revision, dated July 20, 1998, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of replacement passenger window.
FAA holder: Bell Helicopter Textron Inc.
Installation of the Right or Left Passenger Sliding Door Kit in accordance with drawings listed on Aeronautical Accessories, Inc. Drawing List Report AA-01080, Revision H, dated March 8, 2006, or later FAA approved revision and Instillation Instructions Report No. AA-01039, Revision E, dated February 10, 2006 or later FAA approved revision.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Crew Photo Window in accordance with Aeronautical Accessories, Inc., Drawing List, Report No. AA-00032, Revision -, dated April 17, 2000, and installation of Crew Photo Window in accordance with Aeronautical Accessories Report No. AA-00022, Revision -, dated March 23, 2000, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
Installation of structural fittings in the wing as provisions to accommodate future external stores in accordance with Sierra Nevada Corporation Drawing List, Report No MDL-0142-25-9316, Revision A, dated February 15, 2011, FAA approved March 29, 2011, or later FAA approved revision.
FAA holder: Sierra Nevada Corporation
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.
Installation of a step-handle on upper fuselage.
FAA holder: Bell Helicopter Textron Inc.