STC SA900NW

FAA DRS lists SA900NW as Current · Reissued, held by Avcon Industries Inc, for Learjet 25, Learjet 25A, and Learjet 25B, and 3 more aircraft configurations. 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. 1086 dated November 16, 2010, or later FAA approved revision. An FAA approved Airplane Flight Manual Supplement is required for each model. Snapshot dated June 30, 2026.

FAA-listed holder

Avcon Industries Inc

Aircraft configurations

FAA revision date

November 16, 2010

FAA status

Current · Reissued

Recorded modification

What the FAA record covers

SA900NW 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 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 25A10CE Learjet 25AA10CE Learjet 25BA10CE Learjet 25CA10CE Learjet 25DA10CE Learjet 25FA10CE

Buyer checks

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SA1703CEFlight controlsRevised Sep 28, 2011

Installation of flap and aileron fairings and seals.

FAA holder: D'Shannon Products Ltd.

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ST00720DEFlight controlsRevised Jul 25, 2011

Installation of sensors and provisions for future capability to monitor aircraft control surface deflections, existing pilot control input signals, and other aircraft systems in accordance with Sierra Nevada Corporation Drawing List, Report Number MDL-0142-25-9315, Revision B, dated February 24, 2011, FAA approved July 25, 2011, or later FAA approved revision.

FAA holder: Sierra Nevada Corporation

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SA2700SWFlight controlsRevised May 10, 2011

Installation of geared elevator tab according to Drawing FA-7023, Revision F, dated 11/28/77, Sheets 1 through 3; E.O. s FA-7023G dated 1/23/78; FA-7023H (6 sheets) dated 3/24/78, or later FAA approved revision.

FAA holder: Turbine Conversions Ltd

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SR09150RCFlight controlsRevised Apr 15, 2011

Installation of Cyclic Force Trim System in accordance with Premier Aviation, Inc. MDL F00-15000, Rev C, dated December 24, 1996, or later FAA approved revision.

FAA holder: Bell Helicopter Textron Inc.

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What the FAA record covers

Aircraft named in FAA DRS

Confirm before sourcing

Related flight controls STCs

Installation of flap and aileron fairings and seals.

Installation of geared elevator tab according to Drawing FA-7023, Revision F, dated 11/28/77, Sheets 1 through 3; E.O. s FA-7023G dated 1/23/78; FA-7023H (6 sheets) dated 3/24/78, or later FAA approved revision.

Installation of Cyclic Force Trim System in accordance with Premier Aviation, Inc. MDL F00-15000, Rev C, dated December 24, 1996, or later FAA approved revision.