Major Part C update. Improved explanations for fishing, pilot, mine clearance, aground and anchor situations, with clearer guidance on length, aspect and exam style wording. Plus some performance and layout improvements.

Minor fixes and improvements.

Minor fixes and improvements.

• The Skip button now skips individual questions instead of whole sections — more control, less hassle! • Minor fixes.

What’s New • The Skip button now skips individual questions instead of whole sections — more control, less hassle! • Minor fix to the COLREGs introduction: graphics now correctly show Annexes I–V instead of I–IV.

Improved overall performance and stability. Flashing light animations for Air-cushion vessels and WIG Craft now operate at the correct speed for enhanced accuracy and realism.

General performance and stability improvements.

-General performance and stability improvements.

-General performance and stability improvements.

-General performance and stability improvements.

-General performance and stability improvements.

-General performance and stability improvements.

-Added new content for an enhanced experience. -Improved user interface for a smoother interaction. -Enhanced graphics for a polished look. -General performance and stability improvements.

-Added new content for an enhanced experience. -Improved user interface for a smoother interaction. -Enhanced graphics for a polished look. -General performance and stability improvements. Thank you for using Master-Nav!

Release Notes for Version 1.22: In this update, we are excited to introduce several enhancements Expanded Content: We've added additional comprehensive content to Master-Nav, ensuring thorough coverage of COLREGS from Part A to Part D (Rules 1-37), including Annex IV Distress Signals. Extensive Question Bank: Prepare with confidence as we now offer over 1000 questions, providing a robust resource for effective memorisation and periodic review of the COLREGS. Part D Sound and Light Signals: Experience improved graphics in the Part D section, enhancing visual clarity. We've also incorporated additional questions to further reinforce your understanding. These updates aim to enrich your learning journey, offering a more comprehensive and engaging study environment.

Release Notes for Version 1.21: Added additional content. Master-Nav now comprehensively covers COLREGS Part A to Part D (Rules 1-36). Now over 1000 questions are available to aid in effective memorization and refreshment of the COLREGS.

Version 1.20 Release Notes: Enhancements and Bug Fixes: Added additional content, including mnemonic learning tools and an expanded set of questions. Resolved an issue where the "Next" button was not displaying on certain devices within the practice section. Fixed a problem where the border was not displaying on some question boxes on older devices. Implemented various user interface improvements for a smoother experience.

In this latest version, we've made some significant updates. We've included additional content, such as mnemonic learning tools and an expanded set of questions. These additions are designed to harness the brain's natural learning mechanisms to help you remember the detailed rules more effectively. You'll now find over 900 questions in the app, providing ample opportunities for rule memorization and review.

In this latest version, we've made some significant updates. We've included additional content, such as mnemonic learning tools and an expanded set of questions. These additions are designed to harness the brain's natural learning mechanisms to help you remember the detailed rules more effectively. You'll now find over 900 questions in the app, providing ample opportunities for rule memorization and review.

In the Practice section, we've refined the experience for better progress tracking. Clear indicators now highlight incorrect answers, correctly answered questions, and unviewed questions for each Rule. Easily monitor your advancement and stay on top of your learning. Furthermore, we've enhanced the user interface, making it more intuitive and user-friendly. Navigating the app and accessing valuable learning resources is now simpler than before.

We've made significant updates to the Practice section and statistics, along with user interface improvements. In the Practice section, we've refined the experience for better progress tracking. Clear indicators now highlight incorrect answers, correctly answered questions, and unviewed questions for each Rule. Easily monitor your advancement and stay on top of your learning. Furthermore, we've enhanced the user interface, making it more intuitive and user-friendly. Navigating the app and accessing valuable learning resources is now simpler than before.

Improved question logic: Enjoy a more refined and intelligent question selection process, ensuring a better learning experience. User interface improvements: to enhance usability and visual appeal. Small bug fixes: We've squashed pesky bugs to make your navigation journey smoother than ever before. Update now to experience these enhancements and elevate your navigation skills with Master-Nav!

The latest release of Master-Nav offers a range of new features and updates designed to improve your learning and understanding of the COLREGS rules. New content has been added, including Rule 1 Application, Rule 2 Responsibility, COLREGS Introduction, and Structure, as well as a new type of question that makes it easier to memorize the more wordy rules in PART A. We have also enhanced the review questions logic to deliver more relevant questions based on your progress. You'll receive targeted questions that help reinforce your understanding of the rules and identify areas where you may need additional practice. In addition, we have resolved an issue where Rule 21(b) details were not being displayed, and made performance improvements to ensure a smoother user experience.

The latest version of Master-Nav includes some new features and updates to help you learn and understand the COLREGS rules more effectively. We've added new content, including Rule 1 Application, Rule 2 Responsibility, COLREGS Introduction, and Structure, as well as a new type of question to make it easier to memorize the more wordy rules in PART A. We've also included references to parts and sections in the rules text, and made amendments to Rules 3 Definitions and Rule 31 Seaplanes for accuracy. We updated the multiple-answer single white light questions by removing the bow aspect for power-driven vessels less than 50m as such vessels may show a single white light only, at long range. Furthermore, we have fixed the distortion issue of the launch screen image on some devices and made some performance improvements for a smoother user experience.

Some user interfaces improvements. Fixed - Rule 30 - Vessel aground greater than 50m questions, now not showing deck lights.