Reference Guides

Waterproof quick-reference for the cockpit or classroom. Laminated cheat sheets covering knots, rules of the road, VHF prowords, lights, and day shapes—built for spill-prone spaces and fast lookups underway.

Find topics: Browse Reference Guides for seamanship, comms, and nav aids.
Train & review: Pair with signal practice using Signal Flags and Day Mark Signal Shapes.
Deeper dives: Expand to full texts in Boating Seamanship and Navigation, Celestial, Radio & Radar.