The 3.3 version of XAirport for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. XAirport for Mac belongs to Games. This application is developed for Mac OS X 10.7 or later.
The most popular version among the program users is 3.3. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this software for Mac is Udo Thiel. The bundle id for XAirport for Mac is de.udo-thiel.XAirport.
From the developer:
XAirport is a utility that allows the user to easily set COM and NAV radio frequencies and autopilot parameters while flying with the popular flight simulator "X-Plane".
The app comes with a database of all 33.000 airports contained in X-Plane together with the associated ATC, ILS and VOR frequencies. The App allows the user to set the radio frequencies in X-Plane with a single mouse click.
You may want to check out more Mac applications, such as Kudos Rock Legend, PlantTycoon or Creatures, which might be related to XAirport.