Utilizing air traffic communications for OSINT on state and government aircraft

In recent times, we have witnessed a trend in which communications data is increasingly collected and made open source by the public. A prominent example is the tracking of aircraft movements using unencrypted air traffic control (ATC) communication. This paper studies the implications of such new open source aircraft datasets on the operational privacy of military and government actors. We use publicly available aircraft metadata in conjunction with unfiltered ATC communication gathered from the collaborative sensor network OpenSky. We show that using these datasets, it is possible to collect, process and analyze large numbers of movements in an automated fashion, providing insights into potentially sensitive operations.