HMS ColregsCards
Learn COLREGS lights, day shapes & buoyage marks with adaptive flashcard testing
About HMS ColregsCards
Master the maritime rules you need for your RYA Yacht Master exam. HMS ColregsCards is a smarter, cheaper alternative to traditional flip cards.
WHAT'S INCLUDED
• Lights on Vessels — 30 interactive navigation light scenarios with 3D viewer
• Day Shapes — 11 cards covering all daylight vessel signals
• Buoyage Marks — 16 IALA marks including cardinal, lateral and special marks
LAYERED LEARNING
Each card has multiple layers of information:
• Essence — clean visual for quick recognition
• Definition — official COLREGS text
• Application — how it appears on charts
• Reality — real-world photos
• Light codes — animated timing diagrams for buoyage marks
ADAPTIVE TESTING
• Multiple-choice quizzes with timed questions
• Adaptive testing focuses on the cards you find hardest
• Track your exam readiness per topic with mastery percentages
• Test all cards or focus on unknowns only
BUILT FOR SAILORS
Created by sailors, for sailors. Whether you are studying for Day Skipper, Coastal Skipper or Yacht Master, this app helps you learn the rules that keep everyone safe at sea.
Free to use with ads. Optional subscription to remove ads.
HMS ColregsCards details
HMS ColregsCards is a free Education app for Android with 50+ installs on Google Play and a 5.0/5 average rating from 1 rating. It was released on March 2, 2026 and last updated on March 26, 2026. It's developed by Help Me Sail. It requires Android 7.0 or later. The app contains ads.
- Category
- Education
- Rating
- 5.0 / 5 (1 rating)
- Installs
- 50+
- Price
- Free
- In-app purchases
- No
- Ads
- Contains ads
- Current version
- 3.1
- Requires Android
- 7.0
- Content rating
- Everyone
- Released
- March 2, 2026
- Last updated
- March 26, 2026
- Developer
- Help Me Sail
What’s new in HMS ColregsCards
- Flashing yellow lights now animate on air-cushion vessel and submarine cards (120 flashes/min per COLREGS) - All towing cards reworked to show combined tug + towee lights as seen at sea - Pushing ahead and towing alongside are now separate cards - Aground vessels split into 3 cards by size (under 50m, 50-100m, 100m+) - Bird's Eye View improved with elongated vessel shape and concentric light stacking - Ambiguity notes added to single white all-round light cards
Version 3.1 · Updated March 26, 2026
Similar Apps
Potty Dotty
Tap the right dot, dodge the wrong one! A fast-paced reaction game for everyone.
Sextant Calculator
Nautical sextant calculator for celestial navigation angles and time.
Wordnest - A Fun Word Game
I built this because my fave word game disappeared. Boggle style, daily puzzles.