Choose your study region

Choose a course collection, not your nationality. Changing region does not change your courses, progress or access.

Compass network home

Optional preference saved in this browser on Compass Revision. It does not sync between devices or the separate course websites. You are never redirected automatically.

Free question engine

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.

Start free Day Skipper testBrowse all free tools
Back to question topics

Marine Radio

Free questions

12 questions
What is the difference between Mayday and Pan-Pan?What is the difference between VHF Channel 16 and Channel 70?Which channel is used for VHF DSC digital signalling?Why should detailed routine traffic move from an initial calling route to a suitable working channel?What should you do before making a routine marine VHF voice call?A yacht is being driven onto rocks, cannot arrest the approach and needs immediate outside help. Which priority is appropriate?A boat has a Ship Radio Licence and an MMSI. What separate operator condition applies to ordinary SRC-covered use?What is an EPIRB's primary alerting function?What may safely be concluded from an AIS display with no target at the harbour entrance?What does an MMSI identify?Which phrase correctly introduces your own vessel identity in a routine voice call?Which description of Channel 16 is operationally correct?