Day Skipper Theory

Our free downloads are specially designed to support students working through their Day Skipper Theory course. From essential navigation plotting sheets and tidal curve templates to plain English guides on COLREGs and buoyage, these resources are perfect for reinforcing your learning during the course—and they’re just as useful when you’re skippering your own passages later on. Whether you’re revising at home or planning your first coastal cruise, our growing collection of student-friendly tools will help you stay confident and well-prepared on the water.

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Engine Checks

Engine checks are an important part of a pre-departure preparation procedure. The WOBBLE mnemonic provides a simple way to run through the checking procedure and reduce engine problems at sea. ...More Details
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Height of tide needed to clear a charted depth

Worksheet to help calculate the height of tide required to clear a charted depth. This supports the Solving Depth Conundrums topic in the How much water? Module of the Day Skipper theory course. ...More Details
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Height of tide needed to clear a drying height

Worksheet to help calculate the height-of-tide required to clear a charted drying height. This supports the Solving Depth Conundrums topic in the How much water? Module of the Day Skipper theory course. ...More Details
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How to plot a Course to Steer

This step-by-step guide shows how to plot a preemptive Course to Steer. The Day Skipper Theory course's Passage Planning & Making module teaches this chart plotting process. ...More Details
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How to plot an Estimated Position

A step-by-step guide showing how to plot an Estimated Position. This chart plotting technique is taught in the Plotting Positions module of the Day Skipper Theory course. ...More Details
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How to plot Dead Reckoning

A step-by-step guide showing how to plot Dead Reckoning. This chart plotting technique is taught in the Plotting Positions module of the Day Skipper Theory course. ...More Details
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Inshore Waters Forecast - Dumbarton to Farlow

Fictional inshore waters forecast for the sea area Dunbarton to Farlow (an RYA training area in the Northern Hemisphere). This forecast is used in the Should we do this? session in the Passage...More Details
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IRPCS - Lights: Vessels Making Way (Rule 23 & 25)

Understanding and identifying navigation lights is a crucial part of staying safe at sea and complying with the International Regulations for Preventing Collisions at Sea (IRPCS). This crib sheet focuses...More Details
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IRPCS - Sound Signals (Rule: 34 & 35)

Sound off your knowledge with our IRPCS Sound Signals Guide! This essential download brings the Day Skipper Theory & YachtMaster syllabus to life by demystifying the crucial language of short blasts,...More Details
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Maximum height of tide with clearance underneath charted object

Worksheet to help calculate the maximum height-of-tide while retaining clearance underneath a charted object. This supports the Solving Depth Conundrums topic in the How much water? Module of the Day...More Details
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Notices to Mariners - RYA 3 & 4

Artificial Notice to Mariners for chart corrections to RYA Training Charts 3 & 4. This notice is a mock-up showing the process for updating paper charts. It is used in the Chart Updates and Changes...More Details
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Passage Plan Template

Take the guesswork out of voyage preparation with our Passage Planning Template! Designed to keep your journeys smooth and stress-free, this customisable template helps you organise every trip detail—from...More Details