Free boating theory questions and short answers
Search-friendly answers for Day Skipper theory, Marine Radio SRC, VHF procedure, buoyage, lights, tides, CEVNI and practical revision. Each page has one question, a short answer, a mini quiz and a link to revise the full topic.
Day Skipper
Free questions
What colour is a port-hand mark in IALA Region A?What is an isophase light?How do you calculate tidal height for a simple depth check?Where can I take a free Day Skipper theory mock test?What does a yellow flag mean on a boat?For practical Mercator chartwork, one minute on the nearby latitude scale represents what distance?On a vessel's sidelights, what colour marks the starboard side?What is the 'draught' of a vessel?What does a halyard do?What is 'leeward' and how is it pronounced?What is 'freeboard'?What is the 'kicking strap' (vang) used for?What does 'abeam' mean?What is the difference between a 'shroud' and a 'stay'?What does amidships mean?When facing forward, which side of the boat is 'port'?Which lifejacket level is typically intended for coastal and offshore use?Under MARPOL, deliberate discharge at sea is prohibited for which type of garbage?Two sailing vessels are approaching each other. Vessel A is on port tack, Vessel B is on starboard tack. Who gives way?When entering harbour from seaward in Region A, what colour marks should be on your port side?What is 'variation' in compass work?What does 'Fl(3) W 15s' mean on a chart?What is Chart Datum approximately equal to in most UK tidal waters?What is the difference between a DR position and an EP?What does a large-scale chart show?What does 'veering' mean in weather terminology?What does APEM stand for in passage planning?A yacht is under sail and its propulsion machinery is not being used. Which Rule 35 signal should it make in restricted visibility?Which property most strongly supports considering a suitable nylon product for mooring lines and anchor warps?As an initial guide in moderate conditions, what scope is commonly taught for all-chain cable?Which task are navigators' dividers designed to perform in paper chartwork?On which VHF channel is a voice MAYDAY distress call broadcast?Under the current England marine and coastal wildlife visitor code, how far should a motorised vessel stay from marine wildlife?