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Electrical systems

STC ST00011WI

FAA DRS lists ST00011WI as Current · Reissued, held by Aero-Mach Wilco LLC, for Textron Aviation 500, Textron Aviation 550, and Textron Aviation S550, and 9 more aircraft configurations. Recorded change: Installation of Concorde RG380E/40 and 40B battery. Snapshot dated June 30, 2026.

FAA-listed holder
Aero-Mach Wilco LLC
Aircraft configurations
12
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Concorde RG380E/40 and 40B battery.

ST00011WI 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 500, Textron Aviation 550, and Textron Aviation S550, and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 500A22CETextron Aviation 550A22CETextron Aviation S550A22CETextron Aviation 560A22CETextron Aviation 552A22CETextron Aviation 560XLA22CETextron Aviation 501A27CETextron Aviation 551A27CETextron Aviation 650A9NMTextron Aviation 750T00007WITextron Aviation 525A1WITextron Aviation 525AA1WI

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 500 and Textron Aviation 550, and 10 more aircraft configurations model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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