STC SA225NW
FAA DRS lists SA225NW as Current · Reissued, held by Avcon Industries Inc, for Learjet 25, Learjet 25A, and Learjet 25B, and 1 more aircraft configuration. Recorded change: Installation of the Mark II performance system, including recontoured wing leading edge, recontoured flap leading edge, wing vortex generator removal, installation of wing stall strips and other minor refinements. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA225NW 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: Learjet 25, Learjet 25A, and Learjet 25B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related flight controls STCs
Installation of a SFIM Force Trim System.
FAA holder: Bell Helicopter Textron Inc.
Installation of a SFIM automatic flight control system.
FAA holder: Bell Helicopter Textron Inc.
Installation of aileron and flap gap seals.
FAA holder: Gator Aerial Enterprises
FAA record reference
- STC number
- SA225NW
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- March 10, 1975
- Revision date
- November 16, 2010
- CFR references
- Part 21, Part 25