【實用交通運輸app】Course to steer|最夯免費app-綠色工廠好玩App

Calculate your course to steer to compensate for tide, wind and magnetic compass errors.Verify your chart-work by entering the direction of your ground track (or course to make good) along with the set and rate of tide, wind direction and compass errors.The course to steer is calculated instantly and converted from True to Magnetic to Compass bearing. Speed over the ground is also calculated.