The Three Arm Protractor can be used to position and chart from three identifiable shore
4 Automatic Closing
Switch design: Self-cleaning lever
The guideline emphasizes a hands-on approach
pre-plotted courses and more than 300 marinas
British Admiralty Routeing Chart 5150: East China Sea NZ Tonga The Three Arm Protractor canLooking to go digital with your Passage Planning? Check out our Simple E Navigation Software, SPICA! Essential for use in passage planning for ocean voyages, Routeing Charts include routes and distances between major ports, ocean currents, ice limits, load lines and wind roses. They also contain expected meteorological and oceanographic conditions for each month of the year. Individual chart scales of 1: 5,000,000, 1: 10,000,000 and 1: 20,000,000 to