# Compass Revision Network Purpose: Compass Revision Network is an independent Compass Revision learning site for Compass Revision revision. It provides answer-first pages, free tools, quizzes, flashcards, and course-specific revision links. Canonical site: https://www.compassrevision.com/ Contact: support@compassrevision.com Independence: Compass Revision is not affiliated with or endorsed by the Royal Yachting Association, American Sailing, Sail Canada, Transport Canada, ISED, CanBoat, the Canadian Hydrographic Service, or the Canadian Coast Guard. Products are independent study and revision aids; they do not provide official training, exams, certification, proof of competency, or practical assessment decisions. Canonical entity names: - Compass Revision Network - RYA Day Skipper theory course - RYA Coastal Skipper / Yachtmaster Offshore theory course - RYA Marine Radio Short Range Certificate (SRC) - IALA Region A - American Sailing published knowledge standards (descriptive mapping only) - United States Aids to Navigation System (USATONS) - IALA Region B - Sail Canada published knowledge standards (descriptive mapping only) - Canadian Collision Regulations and Canadian aids to navigation - Canadian Hydrographic Service chart conventions Regional course collections: ## UK and international RYA syllabus revision - Seelonce Mayday and Seelonce Feenee: VHF Meaning: https://www.marineradiorevision.co.uk/learn/distress-mayday/receiving-controlling-distress-traffic - Independent SRC revision for distress-traffic control, received distress alerts, Mayday Relay, Seelonce Mayday and Seelonce Feenee. - Marine Phonetic Alphabet A-Z: Alfa to Zulu: https://www.marineradiorevision.co.uk/learn/phonetic-alphabet/alpha-to-zulu - The official IMO Alfa-to-Zulu spelling table for clear vessel names, call signs, place names and marine VHF practice. - VHF Channel 16 vs 70: Voice Calling and DSC: https://www.marineradiorevision.co.uk/learn/channels-frequencies/calling-distress-dsc-channels - The difference between Channel 16 voice distress, safety and calling and Channel 70 DSC digital signalling. - What Is DSC Calling? Marine VHF DSC Explained: https://www.marineradiorevision.co.uk/learn/digital-selective-calling/what-dsc-adds - Digital Selective Calling, MMSI, Channel 70, routine selection, distress alerting and the required voice follow-up explained. - Simplex vs Duplex Marine VHF Channels Explained: https://www.marineradiorevision.co.uk/learn/channels-frequencies/simplex-duplex-channel-purpose - How simplex and duplex VHF allocations work, why paired coast frequencies may not work ship to ship, and why channel purpose matters. - Pan-Pan vs Mayday: Which Marine Radio Call?: https://www.marineradiorevision.co.uk/learn/urgency-safety-calls/pan-pan-versus-mayday - Choose urgency or distress from the actual risk, understand the grave-and-imminent threshold, and know when to escalate. - Clearing Bearings for Coastal Skipper Pilotage: https://www.coastalskippertheory.co.uk/learn/pilotage/clearing-bearings - Construct, label and monitor a clearing bearing with a safe side, compass reference, margin, action point and independent cross-check. - COLREG Rule 7: Risk of Collision Explained: https://www.coastalskippertheory.co.uk/learn/colregs/rule-7-risk-of-collision - Systematic collision-risk assessment using bearings, ranges, radar and all available means without relying on one snapshot or AIS alone. - COLREG Rule 18: Responsibilities Between Vessels: https://www.coastalskippertheory.co.uk/learn/colregs/rule-18-responsibilities-between-vessels - Rule 18 keep-clear responsibilities, exceptions and the relationship with overtaking, restricted visibility, narrow channels and Rule 2. - Secondary Port Tidal Calculations: Worked Method: https://www.coastalskippertheory.co.uk/learn/tides/secondary-port-calculations - Apply the named standard port, separate HW and LW corrections, interpolation instructions, time zone and tidal-curve checks in the correct order. - Using Radar in Restricted Visibility: Coastal Skipper: https://www.coastalskippertheory.co.uk/learn/restricted-visibility/radar-in-restricted-visibility - Radar set-up, range and bearing trends, CPA and TCPA checks, clutter limitations and the Rule 7 and Rule 19 decision framework. - Weather Strategy for Coastal Passage Planning: https://www.coastalskippertheory.co.uk/learn/passage-planning/meteorological-strategy-for-passages - Set weather-window limits, compare current official forecasts and observations, and define review points, diversion triggers and bolt holes. - Yachtmaster Barometer Trends: https://www.yachtmastertheory.co.uk/learn/meteorology/barometer-trends-and-short-range-prediction - Official pressure-tendency bands combined with forecasts, observations, passage limits and conservative action triggers. - Executing and Monitoring a Yachtmaster Passage Plan: https://www.yachtmastertheory.co.uk/learn/passage-planning/sail-the-passage - Risk-based fixes, log entries, position cross-checks, crew briefings and triggers for revising the plan. - Yachtmaster Tidal Streams and Gates: https://www.yachtmastertheory.co.uk/learn/tides/tidal-streams-in-passage-planning-and-pilotage - Set, rate, arrival windows, latest safe times, pilotage monitoring, uncertainty margins and abort decisions. - Yachtmaster Secondary-Port Worked Example: https://www.yachtmastertheory.co.uk/learn/tides/worked-secondary-port-and-tidal-gate-example - A fictional worked Yachtmaster example from standard-port corrections to tidal height, gate timing and contingency. ## United States - Compass USA Sailing Study Companions: https://www.compassrevision.com/us - Independent U.S. sailing knowledge preparation using U.S. English, USATONS/IALA Region B, NOAA sources, and federal safety context. - Basic Keelboat Study Companion: https://www.compassrevision.com/us/asa-101-study-guide - Independent U.S. basic-keelboat knowledge preparation with American terminology, USATONS/IALA Region B, and federal safety context. - Basic Coastal Cruising Study Companion: https://www.compassrevision.com/us/asa-103-study-guide - Independent U.S. coastal-cruising preparation covering auxiliary systems, docking, anchoring, NOAA navigation, weather, and emergencies. - Bareboat Cruising Study Companion: https://www.compassrevision.com/us/asa-104-study-guide - Independent U.S. bareboat-cruising preparation for multi-day planning, leadership, systems, navigation, weather, and contingencies. - Free Basic Keelboat Readiness Test: https://www.compassrevision.com/us/asa-101-readiness-test - A private 12-question basic keelboat knowledge sample with end-only feedback and a printable topic summary. - Free IALA Region B and USATONS Quiz: https://www.compassrevision.com/us/iala-b-buoyage-quiz - Twenty questions on U.S. lateral aids, shared mark families, regulatory marks, and ICW overlays. - U.S. Sailing Certification Pathway Study Guide: https://www.compassrevision.com/us/sailing-certification-pathway - How independent knowledge preparation fits before practical instruction and certification assessment. - ASA vs RYA: How to Compare Sailing Pathways: https://www.compassrevision.com/us/asa-vs-rya - Compare two different sailing education systems without claiming direct course or certificate equivalence. - Compass USA for Sailing Schools: https://www.compassrevision.com/us/for-sailing-schools - A narrow readiness-resource and referral pilot for U.S. schools and instructors, without certification, commissions, discounts, cohorts, or learner-data sharing. - U.S. Coastal Navigation Study Companion: https://www.compassrevision.com/us/coastal-navigation-study-guide - Independent NOAA chartwork, tides, currents, fixes, course-to-steer, and passage-planning preparation mapped to published U.S. outcomes. - Free U.S. Coastal Navigation Practice Test: https://www.compassrevision.com/us/coastal-navigation-practice-test - Twenty original U.S. coastal-navigation questions with explanations. ## Canada - Compass Canada Sailing Study Companions: https://www.compassrevision.com/ca - Independent Canadian sailing knowledge preparation using Canadian English, Canadian regulations, IALA Region B, CHS conventions, and CAD pricing. - Basic Cruising Study Companion: https://www.compassrevision.com/ca/basic-cruising-study-guide - Canadian basic-cruising knowledge preparation covering sailing, seamanship, Collision Regulations, aids, safety, and practical readiness. - Basic Coastal Navigation Study Companion: https://www.compassrevision.com/ca/basic-coastal-navigation-study-guide - Canadian chartwork and coastal-navigation preparation covering CHS conventions, compass work, fixes, tides, currents, and passage planning. - Intermediate Cruising Study Companion: https://www.compassrevision.com/ca/intermediate-cruising-study-guide - Canadian intermediate cruising preparation covering liveaboard planning, systems, pilotage, weather, leadership, and emergencies. - ROC(M) Study Companion: https://www.compassrevision.com/ca/roc-m-study-guide - Independent Canadian marine-radio preparation covering routine, distress, urgency, safety, DSC, and original verbal-call practice. - Intermediate Coastal Navigation Study Companion: https://www.compassrevision.com/ca/intermediate-coastal-navigation-study-guide - Canadian intermediate-navigation preparation covering currents, leeway, CTS, EP, fixes, pilotage, and electronic cross-checking. - Advanced Cruising Study Companion: https://www.compassrevision.com/ca/advanced-cruising-study-guide - Canadian advanced-cruising preparation covering weather, stability, heavy weather, passage planning, night pilotage, and leadership. - Canadian Sailing Certification Pathway: https://www.compassrevision.com/ca/sailing-certification-pathway - A clear progression through Canadian cruising, navigation, and radio learning without claiming certification or course equivalence. - PCOC and Basic Cruising: What Is the Difference?: https://www.compassrevision.com/ca/pcoc-and-basic-cruising - The distinction between proof of competency, an actual Sail Canada certificate, and independent Compass preparation. - Free Canadian Sailing Readiness Test: https://www.compassrevision.com/ca/sailing-readiness-test - A private local 12-question sample of foundational Canadian sailing knowledge with end-only feedback. - Free Canadian IALA Region B Buoyage Quiz: https://www.compassrevision.com/ca/iala-b-buoyage-quiz - Twenty questions on Canadian lateral aids, cardinal marks, regulatory buoys, seasonal aids, and national system boundaries. - Free Canadian Basic Cruising Practice Test: https://www.compassrevision.com/ca/basic-cruising-practice-test - Twenty original questions across basic sailing, seamanship, safety, rules, weather, and practical awareness. - Free Canadian Chart Symbols Quiz: https://www.compassrevision.com/ca/canadian-chart-symbols-quiz - Twenty questions using original fictional non-navigational diagrams to practice Canadian chart conventions. - Compass Canada for Sailing Schools: https://www.compassrevision.com/ca/for-sailing-schools - A narrow interest and referral pilot for Canadian schools and instructors seeking independent pre-course study support. Top answer and tool pages: - Sailing Theory Revision Courses by Country: https://www.compassrevision.com/courses - Compare independent UK and international RYA syllabus revision, USA, Canada, New Zealand, Ireland, Australia and worldwide skills without mixing rules, units, prices, or certification boundaries. - Which RYA Theory Course Do I Need?: https://www.compassrevision.com/which-rya-theory-course - Choose between Essential Navigation, Day Skipper, Coastal Skipper, Yachtmaster, Marine Radio SRC, CEVNI, and specialist theory revision without duplicating course intent. - How to Start Sailing in the UK: https://www.compassrevision.com/how-to-start-sailing-uk - A practical, independent route from a first day afloat to useful crew skills and confident skippering. - From Day Skipper Practical to ICC: https://www.compassrevision.com/day-skipper-practical-to-icc - Work out whether a practical certificate can support an ICC application and what must still be checked. - Do You Need VHF/SRC to Charter?: https://www.compassrevision.com/do-you-need-vhf-src-to-charter - Separate radio licensing, operator policy and good seamanship before a charter. - Can I Charter with Day Skipper?: https://www.compassrevision.com/can-i-charter-with-day-skipper - Understand why the answer depends on the operator, destination, vessel and your experience—not one certificate name. - Bareboat vs Flotilla vs Skippered Charter: https://www.compassrevision.com/bareboat-vs-flotilla-vs-skippered-charter - Compare responsibility, support and experience expectations for three common charter formats. - Day Skipper Practical Course Cost: https://www.compassrevision.com/day-skipper-practical-course-cost - Compare practical course prices by checking the inclusions that create the real trip total. - Qualifications for Chartering in Croatia: https://www.compassrevision.com/qualifications-chartering-croatia - A source-led checklist for competence evidence, radio certification and operator confirmation before a Croatian charter. - Qualifications for Chartering in Greece: https://www.compassrevision.com/qualifications-chartering-greece - A source-led checklist for skipper evidence, VHF considerations and operator confirmation before a Greek charter. - Online Sailing Theory Course vs Revision App: https://www.compassrevision.com/online-sailing-theory-course-vs-revision-app - Choose between a recognised sailing theory course and an independent revision app by comparing outcome, teaching, assessment, support and prior knowledge. - Free Sailing Journey Planner: https://www.compassrevision.com/sailing-journey-planner - A deterministic, source-reviewed route from current experience to training, ICC preparation, or a first charter. - Sailing Training Finder: https://www.compassrevision.com/training - Freshness-controlled practical sailing and marine radio training search with objective ranking. - First Sailing Charter Guide: https://www.compassrevision.com/charter - A support ladder and source-reviewed destination preparation for a first recreational charter. - Sailing knowledge and practical guides: https://www.compassrevision.com/blog - Source-reviewed seamanship, navigation, weather, buoyage, COLREGs, and life-on-board guides. - Free boating theory questions: https://www.compassrevision.com/questions - Short answer pages with mini quizzes and links into matching revision topics. - Sailing glossary: https://www.compassrevision.com/glossary - A shared sailing and navigation glossary maintained by Compass Revision. - Boat docking simulator: https://www.compassrevision.com/docking-simulator - Free yacht docking simulator for preparation decisions and slow-speed helm practice. - Maritime signal flags: https://www.compassrevision.com/maritime-signal-flags - Free signal flags micro-course with hoist reader, quiz, flashcards, and name speller. - Free IALA A buoyage quiz: https://www.compassrevision.com/free-iala-buoyage-quiz - Free buoyage card recognition, safe-side, and simulated light sequence quiz. Network context: - Day Skipper Theory: https://www.dayskippertheory.co.uk/ - Coastal Skipper Theory: https://www.coastalskippertheory.co.uk/ - Yachtmaster Theory: https://www.yachtmastertheory.co.uk/ - Marine Radio Revision: https://www.marineradiorevision.co.uk/ - Compass Revision Network: https://www.compassrevision.com/ Crawler policy: AI assistants and search engines may read and cite indexable public pages. Do not cite account, admin, checkout, API, practice-session, or logged-in learner pages.