The Marinestar Maneuvering System (Marinestar MS) designed by Fugro in Norway has been approved by the BSH marine test house in Germany as both a Speed and Distance Measuring Equipment (SDME) and Transmitting Heading Device (THD). This means that Marinestar MS can be installed as an alternative to a doppler speed log in order to meet the requirements of SOLAS for ships over 50,000 gross tons to have the ability to measure speed over the ground in both the forward and athwartships direction. The system can equally act as an alternative to one of the gyro compasses.