• Nautical Calculator 1
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Nautical Calculator

Nautical Calculator is an Android application that calculates rhumb line and great circle navigation. The application is totally free. The main functions are:
- Given two coordinates, great circle and rhumb line courses, distances, great circle vertex and meridional parts is calculated, is show graphics.
- Given a position, new position is determined by advancing it for courses and distances.
other features can be enabled.
- Calculate Average speed
- Waypoint route
- Route mix with parallel limit
- Rhumb Line Parallel/Meridian intersection
- Follow on same Rhumb Line route
- Collision on same Rhumb Line route
- Calculate Amplitude at sunset and sunrise and magnetic compass deviation
- Solves Drift problem
- Solves Tides problem
- ABC Tables (azimuth, initial course, right ascension with unknow star)
- Nautical almanac
- Celestial Navigation with position line
- Meridian transit
- Celestial observation

follow on facebookhttps://www.facebook.com/NauticalCalculator

Category : Tools

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Reviews (30)

Bri. D. P. Feb 21, 2022     

I gave it 1 Star to alarm you. I have purchased this app long ago. I may be one of the first user to ever subscribed to your app. But qfter changing my phone, I cant use the full version anymore. any thoughts,?

Tib. N. Mar 22, 2022     

Looks very feature rich but I have no idea hownit works because I'm a noob at navigation

Jac. F. Mar 15, 2021     

I have made some purchases for additional functions but after few days it was automatically cancelled without my permission. Although refund has been made but i think you should sort it out. I installed the pro version i hope it won't cancel my purchase again.

Mat. T. Feb 24, 2019     

Amazing App. I have a question about the Celestial Navigation feature... the observation point at the top of the page, is that supposed to be the DR of your first sight or your last? Thanks.

Ern. D. S. Dec 29, 2021     

Absolute Amazing!! Best app in this category. I'll buy its Pro Version.

Ger. J. May 8, 2020     

I purchased twice but they cancelled afterwards. This is a totally scam apps!!!

Mar. H. May 9, 2020     

This would likley have to be my favorite app the only issue is some of its feature references are used fictisciously

Mar. T. Mar 23, 2020     

I buy the wind feature but after 2 weeks the feature is no longer purchased.

Car. S. Jan 17, 2020     

why even have it as free if you are just going to block all features unless you pay for each one?

Lym. C. Apr 11, 2019     

I buy the ETA field why its not unlock i already pay.. Pls fix this

Mut. R. Feb 13, 2020     

When I was flying, this app have helped Alot to me

Web. M. Dec 10, 2019     

This app is always want money. Ist not free app. 👎👎👎

Den. J. B. May 8, 2021     

Purchases but not use

M.. F. M. Nov 15, 2018     

Being a Navigating officer always wanted an Offline App to work through Course n Distances. ALL I CAN SAY IS THIS IS THE BEST APP related to my Profession Simply Put Lat Lon Calculate Dist and start sailing... Basically does all what U need while being offline at Sea.. Keep it up Thx. They should have added an Extra Star .....👍👌👌👌👌👌

Fra. D. Aug 7, 2018     

Pop ups every 30 seconds are a total pain. Deleted the app before I figured out how to use it. Don't waste your time.

S. Y. Jan 15, 2018     

I'm disappointed in the free version of the app. I would expect some form of working trial or maybe one calculator to be functional in the free version... even if time limited so I can check if the app even works/is accurate prior to purchase. Instead, installing the free version is like installing a locked demo with only one speed selected (7.7 knots) which my boat doesn't go. So there is no way to tell if the app even works prior to having to purchase it. Cmon dev... gotta give us something to work with here.

Elm. E. Oct 15, 2017     

rise and set of the moon remain in utc time not in LT

Jes. M. Jul 16, 2017     

You have to purchase every single calculator, this should be made clear upfront and also have an overall price to use every function in the app.

Art. L. Feb 2, 2017     

Good application thanks.

Cae. S. Jun 11, 2017     

Does nothing whatsoever without in-app purchases. Nothing against paid apps, and the features may be great, but to advertise it as a free app is simply a lie. Avoid, and go for one of the excellent free or honest paid apps instead.

Fro. M. Nov 19, 2016     

This App seems to be useless on it's update. All features are being purchased before you can use it. I will be UNINSTALLING IT!

Wel. G. Jun 24, 2016     

I love it :-)

Dan. K. D. Jun 5, 2016     

So damn useful to all aspiring seaman officers out their :) easy to use and can be use on phone :D

Zeu. F. May 29, 2016     

Thank You very much for making this App.. it really helps a lot for our daily Job onboard.. Thank u

Ian. L. Apr 3, 2016     

This apps is excellent ...ill be using this while onboard on my vessel..good job...this apps will help me

tri. r. May 11, 2016     

Great app it saves us alot of time offshore

Joh. B. Mar 5, 2016     

We used this one as the basis of our calculation since we are making voyage planning.. this is a lot of help and lots and lots of my fellow cadets pass their voyage planning subject because of the help of this application... i came from the philippines and a proud filipino seafarer... thank you so much!!!!

Kun. G. Feb 1, 2016     

It is very nice app.. I realised it was a printing mistake in my book.. That's why I was getting the difference .. I will purchase the pro app soon.. Keep up the good work... Thanks

jos. e. Jun 4, 2017     

One of the best app created

Non. A. Apr 10, 2015     

Thanks for the useful apps...