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Flight controls

STC SA2121WE

FAA DRS lists SA2121WE as Current · Reissued, held by Sierra Industries Ltd., for Textron Aviation 207, Textron Aviation 207A, and Textron Aviation T207, and 1 more aircraft configuration. Recorded change: Installation of recontoured wing leading edge, drooped ailerons in flaps down mode, stall fences, and elevator trim spring. Snapshot dated June 30, 2026.

FAA-listed holder
Sierra Industries Ltd.
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of recontoured wing leading edge, drooped ailerons in flaps down mode, stall fences, and elevator trim spring.

SA2121WE 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 207, Textron Aviation 207A, and Textron Aviation T207, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 207A16CETextron Aviation 207AA16CETextron Aviation T207A16CETextron Aviation T207AA16CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 207 and Textron Aviation 207A, and 2 more aircraft configurations 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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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. 1084 dated November 16, 2010, or later FAA approved revision. 350 Knot Vmo authorized if equipped in accordance with Avcon Master Drawing List No. 1084 dated November 16, 2010 or later FAA approved revision. An FAA Approved Airplane Flight Manual Supplement is required for each model.

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SA841NWFlight controls

Installation of the Mark II performance system, including 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. 1085 dated November 16, 2010, or later FAA approved revision. 350 Knot Vmo authorized if equipped in accordance with Avcon Master Drawing No. 1085 dated November 16, 2010, or later FAA approved revision. An FAA approved Airplane Flight Manual Supplement is required for each model.

FAA holder: Avcon Industries Inc

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