Abstract: Systems and methods for detecting attachment of a lanyard at a utility platform of an aerial device are described. In some embodiments, a lanyard attachment device is disposed on a utility platform. The lanyard attachment device may comprise a sensor detecting when a lanyard is attached to the lanyard attachment device. In some embodiments, the utility platform is separated from a base of the aerial device by a dielectric gap, and a light signal is indicative of the state of the lanyard attachment device. Furthermore, anti-tie-down functionality may be used to detect error or tampering of the lanyard attachment device.

Abstract: A wheel chock system comprising at least one wheel chock for supporting a vehicle, detecting a load imparted by the vehicle, and displaying information indicative of the load imparted by the vehicle is described herein. In some embodiments, the wheel chock detects a load imparted by a vehicle with a load sensor and displays the load. The wheel chock may be in communication with other wheel chocks supporting the vehicle. The wheel chocks may display the loads detected by all wheel chocks and may determine and display a load distribution across all wheel chocks.