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.
Recorded modification
What the FAA record covers
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.
Buyer checks
Confirm before sourcing
Related electrical systems STCs
Installation of a Lead Acid Battery as a replacement for the existing Nickel-Cadmium Battery.
FAA holder: Concorde Battery Corporation
Installation of electrical provisions for Goodrich 8730A2 Class 2 Electronic Flight Bag.
FAA holder: Chippewa Aerospace, Inc.
Installation of a replacement (modified) SAS amplifier and SAS electrical modifications.
FAA holder: Columbia Helicopters Inc