For over thirty years, both Civilian and Military Helicopter Operators worldwide have depended on the service, dedication and efficiency of HELITRADES Inc. Helitrades is a Woodward HRT ( previously HR Textron ) approved Licensed Repair Service Facility in North America for the repair/overhaul and spare parts sales for hydraulic cylinders, actuators and valves installed in the models of Bell Helicopters. Helitrades is also a Bell Helicopter Textron approved Customer Service Facility. more... See more text