Bundle of handy utilities for ocean and coastal navigation. Including calculating courses and distances, tidal heights for large number of ports, tidal currents, vessels performance under various weather conditions, wheel over point and squat, heavy weather tactics (risk of synchronous or parametric rolling, broaching, and flooding), tropical storm avoidance, obtaining weathercharts from Internet, and much more, now all together in one easy to use desktop toolbar. Follow the link and free download Navigation Toolbar now.