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Flight controls

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.

FAA-listed holder
Avcon Industries Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

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.

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.

Learjet Learjet 23A5CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet Learjet 23 model, serial range, and configuration?
  2. 02Which control configuration, rigging, limitations, and inspections apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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