New Settings screen: text size, text brightness, and skip-alert toggle. Plus
tablet and landscape polish.

Rule 18 rebuilt: new drag-to-reorder question format, clearer explanations with new diagrams and 27 new practice questions.

Rule 18 rebuilt: new drag-to-reorder question format, clearer explanations with new diagrams for NUC, RAM, seaplanes and WIG craft, a dedicated breakdown of the "so far as possible" qualifier, and 27 new practice questions.

Improved learn screens throughout the app — key rules now feature  improved illustrated cards with clear visual explanations.

Improved interface and performance enhancements for a better study experience.

Major update — Part D: Sound & Light Signals now fully integrated. New interactive graphics,  exam questions and comprehensive coverage of sound signals, light signals and their applications.
As always, further UI refinements and performance improvements throughout

Major update — Part D: Sound & Light Signals now fully integrated. New interactive graphics, exam questions and comprehensive coverage of sound signals, light signals and their applications.
As always, further UI refinements and performance improvements throughout.

Bug fixes, and interface improvements.

Bug fixes, and interface improvements.

You can now adjust text size and brightness for easier reading. New toggle to skip confirmation prompts when skipping questions. Cleaner, smoother interface with improved spacing and responsiveness. Bug fixes - some views not displaying correctly.

You can now adjust text size and brightness for easier reading. New toggle to skip confirmation prompts when skipping questions. Cleaner, smoother interface with improved spacing and responsiveness.

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, layout improvements and bug fixes.

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.

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!