Essential Boating Apps

ColColregs Nav Light & ShapesRegs: 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 More


Colregs Rules of the RoadColRegs: 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 More


IALA Buoyage & LightsIALA Buoyage & Lights

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 More


Go Sailing: learn to sail

An illustrated guide to starting sailing and becoming a competent crew member of a yacht. This app is full of tips and covers all the basic crewing skills, introduces navigation and includes a glossary of more than 200 boating words. 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). More


Navigation Rules InlandNavigation Rules Inland

Complete Inland Navigation Rules for all U.S. inland waters and the Great Lakes. With 100+ graphic illustrations. Includes Parts A,B,C,D,E plus Annexes, Interpretative Rules and associated Navigation Regulations. Test Yourself feature to be added at next update More


The Knot Bible app

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 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 More


Nautical Chart SymbolsNautical Chart Symbols & Abbreviations

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  More


Electronic Chart Symbols ECDISElectronic Nautical Chart Symbols

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 More


Illustrated Boat Dictionary in 9 LanguagesThe Illustrated Boat Dictionary in 9 Languages

An invaluable reference for anyone sailing in foreign waters. Includes boat parts, boat handling, tides, weather, maintenance, repair, safety equipment and more. Based on The Illustrated Boat Dictionary in 9 Languages book published by Adlard Coles Nautical More


VHF icon 2VHF DSC Handbook – Adlard Coles Nautical

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 More


ICC icon 3 The International Certificate of Competence (ICC)

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 …More


FAAS icon

First Aid At Sea

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 …More


50 Ways To Improve Your Navigation

A guide packed with expert tips to make navigation safer, easier and better, whether driving a powerboat or sailing a yacht. Written by Dag Pike, one of the world’s most experienced navigators …More


Dag Pike's Boat ChecklistsDag Pike’s Essential Boating Checklists

A series of checklists that cover the wide range of tasks and checks a skipper needs to carry out before departure and at sea. Includes passage planning, boat preparation, equipment checks, spares, fuel management, weather, crew briefing, night operations and more More


Dag Pike's boat inspection

Dag Pike’s Boat Inspection

A practical guide to carrying out detailed checks of a boat from stem to stern. Ideal for assessing a potential boat purchase before commissioning a boat survey. Also useful for boat owners carrying out boat inspections ashore More


First Aid AfloatFirst Aid Afloat

A learning aid for study ashore plus quick reference for emergencies at sea. Includes medical assessments, dealing with specific injuries and illnesses, and contacting emergency services. Written by Yachtmaster and First Aid instructor. Test Yourself featureMore