Magnetic Compass Deviation and Correction book Anodes Fast-draining EPIRB/knife pocket

Fast-draining EPIRB/knife pocket

but of course follows the form of your hole (naturally forms a round ) This makes it easier for using by hand

80mm long x 18mm  wide x 22mm high

280mm x 280mm (external) - 11820

Fancy a soft cushion to sit on while on your boat

Magnetic Compass Deviation and Correction book Anodes Fast-draining EPIRB/knife pocketUnlock the essential knowledge every mariner needs with Magnetic Compass Deviation and Correction Whether you're a seasoned navigator or just starting your journey at sea, this authoritative guide breaks down the complexities of compass errors into clear, practical insights you can actually use. Learn how to identify, understand, and correct deviationensuring your course is always true. Inside you'll dicover the science behind magnetic deviation, step