# NATTrack

> Calculates great circle track and distance between waypoints for aviation. (iPhone/iPad app by Fredrik Karlsson.)

- Source: https://appshunter.io/ios/app/nattrack/id1142148840 (this page in markdown: same URL + `.md`)
- Developer: [Fredrik Karlsson](https://appshunter.io/developer/416827410)
- Category: Utilities
- Price: $2.99
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 9.0 · 80 MB
- Languages: American English
- Released: 2016-09-06
- Data updated: 2026-08-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/nattrack/id1142148840/reviews.md

## What is NATTrack?

Calculates initial great circle track and distance between given waypoints. Easily add waypoints using common FMC input formats such as 5040N H5040 N50W040 N5030.0W04000.0.
Tracks and distances are calculated for the WGS-84 ellipsoid using the Vicenty Formula.
Displays either true or magnetic track using MAGVAR2015 variation tables.
Worldwide airport database allows easy calculation of track and distance between airports.
Store your own waypoints. Will just take a couple of long nightflights to add all oceanic boundary waypoints to your NATTrack database.
Waypoints will be plotted on a globe chart where also airports and range circles can be depicted.

## Key features

- Great circle track and distance calculation
- FMC input format support
- WGS-84 ellipsoid and Vicenty Formula
- True or magnetic track display
- Worldwide airport database
- Custom waypoint storage
- Globe chart plotting


## Frequently asked questions about NATTrack

### What is NATTrack?

NATTrack is a utility app that calculates the initial great circle track and distance between specified waypoints, supporting common FMC input formats and a worldwide airport database.

### How accurate is NATTrack?

NATTrack calculates tracks and distances using the Vicenty Formula for the WGS-84 ellipsoid, ensuring precise results for aviation navigation.

### Can I use NATTrack offline?

The provided information does not specify offline functionality. However, its core calculation features suggest it may operate without a constant internet connection once installed.

### What devices does NATTrack support?

NATTrack is available for iPhone, iPad, and iPod devices, indicated by its compatibility with iOS.

### How much does NATTrack cost?

NATTrack is a paid application, priced at $2.99. There are no mentions of subscription tiers or in-app purchases.

### When was NATTrack last updated?

The latest version of NATTrack was released on September 5, 2018. The app was initially released on September 6, 2016.

### What is the age rating for NATTrack?

NATTrack has an age rating of 4+, making it suitable for a wide range of users, including younger individuals interested in aviation.

### Does NATTrack have ads?

No, NATTrack does not contain advertisements. It is a paid app without any ad-supported elements.

## Version history (last 5 releases)

### 2.0.0 — 2018-09-05

This update from Apple will improve the functionality of this app. No new features are included.

Now the route will be plotted on a globe chart. Additionally airports and range circles can be plotted on this chart.

### 1.5.2 — 2016-09-28

Improved accuracy in distance calculation using WGS-84 compliant Vicenty formula.
Ability to display detailed track and distance information.

### 1.5.1 — 2016-09-06

A minor bugfix preventing magnetic tracks to exceed 360 degrees.

### 1.5 — 2016-09-01

Added MAGVAR2015 tables to calculate magnetic track between waypoints.
Added worldwide airport database. Just enter ICAO codes to find out tracks and distances between airports.
Save userdefined waypoints. Will just take you a couple of long nightflights to add all oceanic boundary waypoints to your NATTrack database.

### 1.2 — 2016-08-23

A rare distance rounding error has been fixed.

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## More apps by Fredrik Karlsson

- [B767 EICAS](https://appshunter.io/ios/app/b767-eicas/id570163023)
- [B757 EICAS](https://appshunter.io/ios/app/b757-eicas/id1017333336)

All apps by Fredrik Karlsson: https://appshunter.io/developer/416827410

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*