In this paper we briefly introduce the helyOS operating system for remote operation of autonomous mobile machines and more precisely the TruckTrix-Path Service, which is used for path planning for yard automation solutions, introduced by Fraunhofer Institute for Transportation and Infrastructure Systems. TruckTrix-Path provides the path planning for complex vehicle structures through critical narrows. Its extensions, developed specially for yard automation problems, adopt calculated trajectories for to be driven by a real automated truck. Alongside with other products of the TruckTrix-Family: TruckTrix-Coop, TruckTrix-Control and TruckTrix-Field it provides a fast and simple solution to control several automated vehicles on closed yards or fields.