Navigation Rules Pro!

Navigation Rules Pro has everything in our popular Navigation Rules app plus an additional 100 pages of content. Navigation Rules Pro contains a complete copy of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGS), including amendments and the Inland Navigation Rules, in effect for all inland waters, including the Great Lakes plus the following information a boater needs:* Sound and Light Signals Quick Reference* Steering and Sailing Rules Quick Reference* Aids to Navigation (AtoN)* Bridge Lighting Quick Reference* Lock Procedures* U.S. Federal Requirements for Recreational Boats* Communication information - DSC, Rescue 21, International Code Signals, semaphore flags, distress signals, phonetic alphabet, prowords, international morse code. If you are a boater you need to know this information.