There was a download of SquawkBox 4.0.0.8669 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. SquawkBox lies within Games, more precisely Simulation. The actual developer of the free program is Joel M. DeYoung.
The following versions: 4.0, 3.1 and 3.0 are the most frequently downloaded ones by the program users. The program's installer files are commonly found as squawkbox.exe, squawkbox_fs.exe or squawkbox_fsx.exe etc.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. SquawkBox is sometimes referred to as "Squawkbox Application", "Squawkbox 3 Model Set FS2002", "Squawkbox 3 Model Set FS2004". This PC software is suitable for 32-bit versions of Windows XP/Vista/7/8/10/11.
From the developer:
SquawkBox is an add-on for Microsoft Flight Simulator. It is a simple and unobtrusive application which provides the core functionality needed to get you connected to online air traffic control networks. It adds tremendous realism to your flights by connecting you to an online world populated with virtual air traffic controllers.
You may want to check out more software, such as Hunting Unlimited 4, REFLEX Model Flight Simulator or ATS, which might be similar to SquawkBox.