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Master-Nav

Master-Nav

Peterjohn Chisholm

Education$1.99v147
App Store
评分

4.7

90 条评分

星级

★★★★★

最近更新

2026年4月11日

发布日期

2022年1月8日

更新内容

v147

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.

应用信息

开发者
Peterjohn Chisholm
分类
Education
价格
$1.99
版本
147
App ID
1602390396

简介

Master-Nav is a progressive COLREGS learning system developed by a Master Mariner. The COLREGS are notoriously difficult to learn and retain — Master-Nav makes it significantly easier through an interactive system built around how your brain actually works. Instead of guessing through random question banks, Master-Nav guides you step by step through every rule from start to finish. Wrong answers are revisited until the rules stick — properly. Complex regulations are broken down into learnable chunks — bite-sized sections supported by mnemonics, memory aids and interactive visuals designed around how the brain actually retains information. Every incorrect answer is shown graphically alongside the correct one — immediately clear, no confusion. And with a single tap, the relevant COLREGS rule is accessible from any question at any time. Master-Nav covers COLREGS Parts A to D — General, Steering & Sailing, Lights & Shapes and Sound & Light Signals — plus Annex IV Distress Signals. Over 1000 questions in multiple formats, with a dedicated Practice Section that tracks right, wrong and unanswered so you always know where to focus. COLREGS — the easy way.

下载量预测

专业 · 预览

预估总下载量

7K5K13K
保守估计乐观估计

85

低 / 月

126

预估 / 月

243

高 / 月

基于90 条评分
假设评分率1.4%
应用年龄53 个月

基于评分数量 ÷ 类别评分率估算,实际下载量误差可达 ±50%,与 Sensor Tower 方法一致。