Star Pupil vs RadarPlot

Star Pupil is a practice aid for learning Celestial Navigation. It does not merely produce the answers to sight reductions but rather shows all the steps along the way! Traditional Celestial Navigation is straightforward and requires only a Nautical Almanac, Sight Reduction Tables, and basic arithmetic. However each step must be performed correctly, and small errors, like adding rather than subtracting, are easy to make. Star Pupil sharpens your traditional Celestial Navigation skills by showing each calculation and each step along the way for performing a Sight Reduction and plotting a Line of Position. Star Pupil shows all the calculations and steps for: * Calculating Ha from Hs using a Nautical Almanac * Performing a sight reduction for the Sun and Planets using Pub 229 * Performing a sight reduction for Stars using either Pub 229 or Pub 249 * Plotting LOPs for the Sun, Planets, and Stars * Plotting multiple LOPs to get a fix Additionally, Star Pupil shows the steps for finding twilight at your position, and looking up the best stars for taking sights using Publication 249 Volume 1.

Master radar plotting through practical, interactive exercises. RadarPlot is a professional training tool for maritime cadets, deck officers and navigators learning the 6-minute plotting method, relative motion, CPA calculations and collision-avoidance maneuvers. PRACTICE RADAR PLOTTING • Record target range and bearing observations • Plot multiple radar targets • Use a North-Up stabilized radar display • Adjust plotting intervals and range scales • Zoom and pan without affecting calculations CALCULATE CPA AND TARGET MOTION • Automatically construct the Relative Motion Line • Calculate CPA, TCPA and relative speed • Determine the target’s true course and speed • Visualize own-ship and target-motion vectors • Practice the standard 6-minute plotting method PLAN COLLISION-AVOIDANCE MANEUVERS • Set a required minimum passing distance • Calculate course-only and speed-only solutions • Select the maneuver execution point • Display the Advanced Relative Motion Line • Compare alternative maneuvering decisions BUILT FOR MARITIME TRAINING Use built-in scenarios and answer-reveal tools to learn step by step or practise independently. Ideal for maritime academy students, deck officers preparing for examinations, navigators refreshing manual plotting skills and instructors demonstrating relative-motion geometry. Train smarter. Understand the plot. Make safer decisions.