* They are great for all types of boaters from weekend day sailors to offshore cruisers and professional mariners.
* Printed in full color on weatherproof high strength plastic, 8.5" x 11" three-hole cards are impervious to conditions at sea which quickly destroy other laminated paper references.
* Knowing your offshore neighbors will make your voyage or day sail more fun, interesting and educational. Quick Reference Sightings at Sea enables you to identify a wide variety of marine life, ocean going vessels, foreign flags, and more at a glance. This beautiful, informative card is popular with boaters, cruise ship passengers, and whale watchers. Illustrated in full color, it succinctly describes characteristics and behaviors of common whales, dolphins and porpoises, sharks, sea turtles, seals, sea lions and sea birds. Profiles and information about ships and boats, flags of maritime nations, buoys and distress signals are also included.
