ColRegs: Nav Lights & Shapes

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About this app

ColRegs: Nav Lights & Shapes helps sailors, powerboaters, anglers, skippers, crew and maritime professionals recognise vessels and understand what they are doing, as specified by the International Regulations for Preventing Collisions at Sea (IRPCS/ColRegs).

Learn to identify vessels, understand their activities and interpret navigation lights and day shapes with this essential ColRegs reference and revision app.

QUICK, PRACTICAL REFERENCE
Whether you are on the water or ashore, studying in daylight or identifying a vessel in darkness or poor visibility, the app helps you find the relevant illustration, rule and definition in seconds.
• Quick-reference and revision tool
• Search across ColRegs, navigation lights, day shapes and study content
• Improve your recognition of vessels at night and by day
• Supports sailing, boating and maritime training courses
• Learn using more than 100 custom-made illustrations
• Supports classroom instruction and independent study
• Test your recall through interactive quizzes
• Visual aide-mémoire when out on the water
• Use core reference content without internet connection

>>> FULL APP — AD FREE | NO IN-APP PURCHASES | NO SUBSCRIPTION

WHAT'S NEW IN THIS VERSION
This major update makes ColRegs: Nav Lights & Shapes clearer, faster and easier to use.
• Save Favourites
• Reorder Favourites
• Continue from last page viewed
• Detailed search results
• Expand full rule only when you need it
• New gallery-style viewer
• Access additional Safe Skipper online quizzes
• Share the app with friends

WHAT’S INCLUDED
1. NAVIGATION LIGHTS
Study detailed illustrations and descriptions of the lights displayed by different vessels at night or in restricted visibility.
Learn to recognise vessel types, their aspect and the activities in which they may be engaged.

2. DAY SHAPES
Explore clear illustrations and descriptions of the shapes displayed by vessels during daylight.
Use these visual references to identify vessel status and activity more confidently.

3. TEST YOURSELF
Check your knowledge using three quizzes featuring multiple combinations of navigation lights and day shapes.
Also access an extended selection of online Safe Skipper boating quizzes.

4. COLREGS
Consult Part C: Lights and Shapes, Rules 20–31 of the ColRegs, reproduced in full for detailed reference and revision.

DESIGNED FOR REFERENCE, LEARNING AND REVISION
A sound understanding of the ColRegs is essential for everyone who goes to sea in sailing or powered craft. Candidates preparing for Day Skipper, Boatmaster or Yachtmaster assessments can use the app to reinforce their knowledge and practise identifying vessels quickly.

ColRegs: Nav Lights & Shapes:

The app has been researched and produced with accuracy and practical learning in mind. Its clear visual approach makes complex combinations of lights and shapes easier to understand and remember.

ENDORSED BY THE SAILING AND BOATING COMMUNITY

>>> Used by thousands of seafarers across Great Britain, the USA, Australia, France, Canada, New Zealand and more than 50 other countries.

“Very easy to use, wish I’d had this when I was doing Day Skipper!”
“We run a training centre and these apps are a great aide-mémoire for our students.”
“I have just downloaded and am using ColRegs Nav Lights & Shapes app, a brilliant training and reference device.”
“I really like the ColRegs part of it and the way you have kept it completely in line with the IRPCS.”
“Beautifully produced and very simple to use, a cool learning tool.”
“Good app for anyone to use, especially when you are training for Boatmaster, Yachtmaster etc. Much easier than flip cards.”

OTHER APPS IN THIS SERIES
• ColRegs: Rules of the Road covers the Steering and Sailing Rules and Sound and Light Signals sections of the IRPCS.
• IALA Buoys & Lights covers both IALA Maritime Buoyage Systems A and B.

Ratings and reviews

Only got as far as the quiz but the answers do not fit on the screen so you are only guessing what they might be. A bit frustrating but otherwise looks like a nice app. Galaxy 8

Factual IRPCS - Very limited lights & shapes learning (tests)

Every time I try to use the app, it's hang out. even can't stop or do anything, please solve it. otherwise my cost is useless. I am using on Lava V2+ handset

What’s new

Identify navigation lights and day shapes with confidence. Search ColRegs, save Favourites, continue studying and test your knowledge wherever you are.