STC SA286NW
FAA DRS lists SA286NW as Current · Reissued, held by Sierra Industries Inc, for Textron Aviation 336. Recorded change: Installation of drooped ailerons in flaps down mode, recontoured wing leading edge, stall fences, aileron centering springs, and conical cambered wing tips. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of drooped ailerons in flaps down mode, recontoured wing leading edge, stall fences, aileron centering springs, and conical cambered wing tips.
SA286NW 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 336. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Textron Aviation 336 model, serial range, and configuration?
- 02Which control configuration, rigging, limitations, and inspections apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related flight controls STCs
Installation of flap and aileron seals per Smith Speed Conversions, Inc. Drawing List 1004 stamped FAA Approved on February 5, 1979, or later.
FAA holder: D'Shannon Products Ltd.
Installation of elevator tail cone fairing per Smith Speed Conversions, Inc. Drawing List No. 1005 stamped FAA Approved on February 5, 1979, or later.
FAA holder: D'Shannon Products Ltd.
Installation of elevator and ruder tail cone fairings.
FAA holder: D'Shannon Products Ltd.
Installation of elevator tail cone fairing per Smith Speed Conversions Drawing List 1005, stamped FAA Approved on April 15, 1980, or later.
FAA holder: D'Shannon Products Ltd.