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ColRegs Nav Lights & Shapes

Clear, concise descriptions and graphic illustrations of navigation lights and day shapes as  specified in “Lights and Shapes” (Rules 20-31) of the International Regulations for Preventing Collisions at Sea. Includes Test Yourself feature read more


Start Sailing Yachts

Start Sailing: Yachts is a guide to starting sailing and becoming a competent crew member of a yacht. This app covers basic crewing skills, navigation and safety read more


The Knot Bible

A one stop guide to tying and using the world’s most useful nautical knots. The app includes a selection of 50 knots, each with clear step by step photos, easy to follow explanations and the uses for each knot. For learning and reference read more


Electronic Nautical Chart Symbols

Electronic Chart Symbols ECDIS

Quick reference to the “INT 1” symbols used on electronic nautical charts (ECDIS) specified by the International Hydrographic Organization (IHO). Hi-res graphics. Tap and enlarge feature. For reference, learning and revision read more


First Aid At Sea

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An easy-to-access instant guide to emergency first aid for all seafarers with concise descriptions of medical conditions and prioritised list of treatments. Written by doctors Douglas Justins and Colin Berry …read more


ColRegs Rules of the Road

Colregs Rules of the Road

Clear, concise descriptions and illustrations of the “Steering and Sailing Rules” (Rules 4 to 19), “Sound and Light Signals” (Rules 32 to 37) and “Distress Signals” (Annex IV) of the International Regulations for Preventing Collisions at Sea. Includes Test Yourself section. For Skippers & Crew of Sailboats, Power Boats and Commercial Vessels, Worldwide. This app enables the user to quickly interpret what other vessels are doing, who has right of way and what action they should take to prevent a possible collision, as defined by the ColRegs - simply open the app and search the rules in seconds to find the appropriate rule and definition read more


Sunsail Sailing School

A fully illustrated learning and revision tool for all sailing and power boaters, with 160 graphics explaining the ColRegs, The International Regulations for the Prevention of Collisions at Sea (IRPCS) read more


Safe Skipper

A practical guide to managing risks at sea with 100+ illustrations. Advice on boat and crew preparation, checklists, equipment, communications and emergency procedures. An indispensable aid to staying safe afloat read more


VHF DSC Handbook – Adlard Coles Nautical

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An essential reference and learning tool to get you up to speed with all functions of the VHF DSC radio.  All information required to pass the Short Range Certificate (SRC). Includes Test Yourself. Based on The Reeds VHF DSC Handbook  published by Adlard Coles Nautical read more


Buoyage & Lights

IALA Buoyage & Lights

Easy reference learning and revision tool. Clear, concise descriptions and graphic illustrations of buoys and light markers, as specified by the International Association of Lighthouse Authorities (IALA) Systems A & B. Includes Test Yourself feature. Easy reference learning and revision tool read more

US Navigation Rules Inland

Navigation Rules Inland

Complete Inland Navigation Rules for all U.S. inland waters & the Great Lakes. With 100+ graphic illustrations. Includes Parts A,B,C,D,E plus Annexes, Interpretative Rules & associated Navigation Regulations read more

Nautical Chart Symbols

Nautical Chart Symbols

Quick reference covering the symbols used on paper charts specified by the International Hydrographic Organization (IHO) plus international abbreviations and supplementary symbols used by U.S. and U.K. hydrographic offices. For reference and learning  read more

The International Certificate of Competence (ICC)

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How to pass your ICC test. An app that explains the syllabus in detail, with helpful revision notes and self-test questions. Written by Bill Anderson, former RYA Training Manager …read more