Watchkeeping, sleep patterns and short-handed passages – a guide to night sailing; Orca navigation system tested over a 450 mile voyage; Could you be a…
Practical Boat Owner
August 2026 – out on 2 July
Sir Robin Knox-Johnston on the COLREG, single-handing and more; Boat building myths busted; 10 pilotage mistakes to avoid; Celebrating the Jester Challenge at 20; Spotlight…
Mitre
Mitre
Miss stays, to
Miss stays, to
Millibar
Millibar
Middle ground
Middle ground
Microspheres
Microspheres
MHWS
MHWS
MHWN
MHWN
Metacentre
Metacentre
Meridian
Meridian
Mercator’s projection
Mercator's projection
Measured distance
Measured distance
Marina
Marina
Mayday
Mayday
Masthead light
Masthead light
Masthead float
Masthead float
Master
Master
Mast coat
Mast coat
Mast
Mast
Marling hitch
Marling hitch
Marline spike
Marline spike