Are you preparing for your Officer of the Watch certificate, flag state examination, or maritime professional assessment? This comprehensive workbook takes you systematically through every COLREGS rule — from the foundational definitions of Part A to the distress signals of Part D — using proven study techniques that build real understanding, not just memorization. Designed by a maritime professional with hands-on bridge experience, each chapter pairs concise rule summaries with targeted exercises so you immediately apply what you learn. Tables, diagrams, and scenario exercises reinforce the rules in context — exactly how examiners will test you. WHAT'S INSIDE: 8 Study Chapters covering all 37 rules across Parts A, B-I, B-II, B-III, C, and D. Each chapter includes rule summaries, fill-in-blank exercises, true/false questions, matching exercises, and multi-scenario practice. Chapter 1 covers Part A — General Rules 1–3, including application, vessel definitions, NUC, RAM, CBD, and basic responsibilities. Chapter 2 covers Part B-I — All Conditions, Rules 4–10, including lookout, safe speed, risk of collision, narrow channels, and traffic separation schemes. Chapter 3 covers Part B-II — Vessels in Sight, Rules 11–18, with full overtaking, head-on, and crossing diagrams, give-way and stand-on vessel duties, and the Rule 18 vessel hierarchy pyramid. Chapter 4 covers Part B-III — Restricted Visibility, Rule 19, including radar obligations, prohibited actions, fog signal responses, and scenario-based decision making. Chapter 5 covers Part C — Lights and Shapes, Rules 20–31, with light sector diagrams, power-driven, towing, sailing, NUC, RAM, CBD, fishing, pilot, anchored, and aground vessel lights. Chapter 6 covers Part D — Sound and Light Signals, Rules 32–37 and Annex IV, including manoeuvring signals, restricted visibility fog signals, and all distress signals. Chapter 7 is dedicated to Oral Examination Preparation — 50 oral questions with complete model answers using the DPPR framework, organized by topic and difficulty. Chapter 8 is Quick Reference — a full Rule Number Reference Table covering Rules 1–37, followed by 40 flashcards in 4 sets for self-testing by part. The book also includes a comprehensive Glossary of 25+ key maritime terms and a Personal Study Log with space to track progress across all chapters. KEY FEATURES: 80+ exercises including fill-in-blank, true/false, matching, scenario analysis, and situation identification 5 technical diagrams: overtaking, head-on, crossing, vessel hierarchy pyramid, and navigation light sectors 50 oral examination questions with full model answers — covering all examiner-favourite topics 40 flashcards in 4 themed sets for rapid self-testing Rule 18 vessel hierarchy mnemonic: Never Roast Carrots For Small Pigs Complete Rule 19 prohibited action table — the most tested rule in flag state exams 6×9 inch format — compact enough for chart table study, comprehensive enough for full exam prep WHO THIS BOOK IS FOR: Officer of the Watch (OOW) candidates Deck cadets and maritime students at nautical colleges Masters and officers refreshing their COLREGS knowledge for re-certification Yachtmasters and coastal skippers preparing for commercial endorsements Any mariner who needs a structured, exam-focused COLREGS study resource