Study Materials
Quick-reference guides, cheat sheets, and checklists to support your sailing studies. Print them, bookmark them, or review them on your phone before an exam.
Phonetic Alphabet & Procedure Words
NATO phonetic alphabet A-Z plus essential VHF procedure words and their meanings.
VHF Channel Quick Reference
Key marine VHF channels, what each is used for, and regional differences to be aware of.
ColRegs Quick Reference
Summary of the key International Regulations for Preventing Collisions at Sea.
ColRegs Lights Cheat Sheet
Mnemonics and memory tricks for the navigation-lights syllabus — the universal rule, classic rhymes, and the common exam traps.
Tidal Calculations Cheat Sheet
Rule of Twelfths, worked example, secondary ports, and the common Day Skipper / Yachtmaster exam mistakes around tide.
IALA Buoyage Memory Aid
Cardinal-mark top-mark trick, lateral-mark colours, and the clock-face mnemonic for cardinal lights. Plus the Region A vs B catch.
VHF Radio Call Format
Mayday, Pan-Pan, Sécurité, and routine call templates. The MIPDANIO memory aid plus DSC distress procedure and procedure words.
Yachtmaster Theory Exam Tips
What the exam covers, the five topics where most fail, an 8-week study schedule, and the day-of strategy. For YM Coastal and Offshore candidates.
IALA Buoyage System
Lateral, cardinal, and special marks explained with colours, shapes, and light patterns.
Pre-Sail Safety Checklist
A printable checklist covering engine, deck, navigation, safety equipment, and comms checks.
Passage Planning Checklist
Work through the four IMO stages of passage planning with a structured checklist.
Anchoring Guide
Anchor types, scope ratios, step-by-step technique, choosing anchorages, and common mistakes.
IWOBBLED — Diesel Pre-Start Checks
The essential mnemonic for marine diesel engine pre-start checks. Isolate, Water, Oil, Belts, Bilge, Levels, Electrics, Diesel.
Man Overboard (MOB) Procedures
Quick Stop, Williamson Turn, and Figure of Eight — SVG diagrams, step-by-step instructions, and recovery methods.
Yachtmaster Safety & First Aid
Cold shock, hypothermia, radio procedures, helicopter evacuation, first aid essentials — exam-focused guide.
Day Shapes Reference
Interactive ColRegs day shapes. Rotate the observer, switch vessel types, and quiz yourself on Rule 27 / 28 / 30 signals.
Sound Signals Reference
Listen to ColRegs sound signals — fog, manoeuvring, anchor, aground. Synthesised live, no audio files. Rule 34 + 35.
Radar Simulator
Animated radar scope with 5 scenarios — head-on, overtaking, crossing, close CPA. CPA + TCPA calculated continuously. Click for EBL + VRM.