HMS ColRegCards

Master IRPCS

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Master the visual signals of the sea with HMS ColregsCards - your essential study companion for the International Regulations for Preventing Collisions at Sea (COLREGS/IRPCS). WHAT YOU'LL LEARN • Day Shapes - Identify vessels by their daytime signals • Navigation Marks - Cardinal, lateral, and special buoys • Lights on Vessels - Recognize vessels by their navigation lights at night • Sound Signals - Learn manoeuvring and fog signals with synthesized audio playback TWO LEARNING MODES Reference Mode Browse through beautifully illustrated flashcards. Each card builds your knowledge layer by layer - from the essential visual to real-world application. Swipe vertically through layers, horizontally between cards. TEST MODE Put your knowledge to the test with timed multiple-choice questions. Get instant feedback, retest on mistakes, and track your progress. Adaptive testing focuses on the cards you find hardest. DESIGNED FOR MARINERS: Perfect for recreational sailors, commercial seafarers, and anyone preparing for maritime navigation examinations. Whether you're new to the water or refreshing your knowledge, ColregsCards makes learning these crucial signals engaging and effective. FEATURES • Dark theme optimized for night study • Works offline - study anywhere • Progress tracking across devices (with free account) • Interactive vessel light diagrams with 360° views • Synthesized sound signals - hear real horn, bell, and gong sounds Created by a team with over 100 years of combined Yachting and Teaching knowledge. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://slinkywill.github.io/colregscards-legal/terms.html Privacy Policy: https://slinkywill.github.io/colregscards-legal/privacy.html

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- Added developer website link

Version 3.2

The developer, Will Downing, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • Identifiers

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Will Downing
Size
  • 83.7 MB
Category
  • Education
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
Languages
  • English
Age Rating
9+
  • 9+
  • Learn More
  • Infrequent
    Contests
    Guns or Other Weapons

    Contains
    Advertising
In-App Purchases
Yes
Copyright
  • © 2026 HMS
  • Developer Website
  • Privacy Policy

    • More by Will Downing

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