Nautical Slide Rules & Plotting Aids

Quick math and course solutions without electronics. Time–speed–distance slide rules, dead-reckoning computers, and specialty templates that speed up ETA, fuel-burn, and course-to-steer calculations on deck or in the classroom.

Grab the right tool: Explore Nautical Slide Rules & Plotting Aids.
Put it to work: Combine with plotting gear from Chart Plotting Tools and Dividers & Compasses.
Practice sets: Use on NOAA Training Charts and reinforce with texts in Navigation, Celestial, Radio & Radar.