STC ST01840WI
FAA DRS lists ST01840WI as Current · Amended, held by Winglet Technology LLC, for Textron Aviation 680. Recorded change: Installation of winglets, wing structural reinforcement, and related system changes. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of winglets, wing structural reinforcement, and related system changes.
ST01840WI 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 680. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Textron Aviation 680 model, serial range, and configuration?
- 02Which configuration, loads, materials, inspections, and damage limits apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related aircraft structures STCs
Modification of right hand side door to provide an openable window.
FAA holder: Ellis & Associates CADD/Technical Illustrations
The installation of replacement window kits in accordance with Dart Aerospace Ltd. Installation Instructions IIN-D412-709, Rev. A dated December 5, 2003 on Bell models 205A, 205A-1, 205B, 212, 412, 412CF, 412EP, 214B and 214B-1 aircraft.
FAA holder: Dart Aerospace Limited
Replacement windows for the Bell 407 to include windshields, chin bubbles, skylights, crew and passenger door windows.
FAA holder: Tech-Tool Plastics Inc