TCW Products are available at these select distributors
www.steinair.com
Vans Aircraft Inc. www.vansaircraft.com
www.aerotronics.com
www.starkavionics.com
www.aircraftspruce.com
www.pca.aero
US Patent 7,719,200 on Safety-Trim and Flap Controller products
US Patent 7,868,478 on IPS product
US Patents pending on IBBS products