STC SA237NW
FAA DRS lists SA237NW as Current · Reissued, held by Avcon Industries Inc, for Learjet Learjet 23. 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 in accordance with Avcon Master Drawing List No. 1083 dated November 16, 2010 or later FAA approved revision. An FAA Approved Airplane Flight Manual Supplement is required. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA237NW 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 Learjet 23. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related flight controls STCs
Installation of KAP 100 single axis, KAP 150 two axis, or KFC 150 two axis flight control system.
FAA holder: Honeywell International Inc
Installation of Sperry digital automatic flight control systems for one or two pilot IFR/VFR operation.
FAA holder: Honeywell International Inc
Installation of a Garmin GFC 600H Flight Control System.
FAA holder: Garmin International Inc
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
FAA record reference
- STC number
- SA237NW
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- March 10, 1975
- Revision date
- November 16, 2010
- CFR references
- Part 3, Part 21