Nautical Calculator Pro

Giacomo Gabriele

About this app

Nautical Calculator Pro is the most complete application that solves the navigation calculations

The main features are :

- Calculate Route (solves 2nd navigation problem)
- Calculate point on Rhumb Line (solves 1st navigation problem)
- Calculate point on Great Circle (solves 1st navigation problem)
- Calculate point on WGS84 (solves 1st navigation problem)
- Calculate Average speed
- E.T.A. calculation
- Route plan, for manual waypoints planning
- Waypoint route
- Route mix with parallel limit
- Rhumb Line Parallel/Meridian intersection
- Follow on same Rhumb Line route
- Opposite course rendez vous
- Route correction
- Calculate Amplitude at sunset and sunrise and magnetic compass deviation
- Compass detections
- Solves Drift problem
- Solves Tides problem
- Solves Tidal current problem
- Solves Under keel clearance problem
- Wind calculation with Beaufort classification
- ABC Tables (azimuth, initial course, right ascension with unknow star)
- Nautical almanac
- Moon phases
- Celestial Navigation with position line
- Meridian transit
- Celestial observation
- Coastal navigation
- Wheel Over
- Draft survey
- Converter
- Anchorage
- Interpolation

In routes feature there is a world map: it isn't a nautical chart and is not for use as a saling chart, but as a simple general means of showing the courses through the water on earth, this map isn't for navigational purposes.


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Ratings and reviews

I have bougth this application about 3 years ago and I enjoyed using it because its very simple to use. For whatever reason, GPS cannot connect any longer. Can you help me resolve this problem.

Great app, does most calculations you'll need. Just got this for calculating azimuths which it does very well. Plenty of other functions too. Definitely a time saver. Weird how there's no other reviews tho

The map could use a little improvement, I understand that it's not for navigation, but I would like to view it in larger scale. Otger than that, this is a brilliant app!

What’s new

v12.1.0
- Fixed pdf export for "Nautical Almanac"
- Increased precision for magnetic-variation
- Fixed UI toolbar