Do you want to know more about air-to-ground messaging?In the late 1970s, a two-way data communication protocol was introduced to the aviation community that improved flight safety, situational awareness, and record keeping. Initially adopted by the major air carriers, this protocol, the Aircraft Communication, Addressing, and Reporting System, known as ACARS, and commonly referred to as “datalink,” slowly became mainstream on the ever-growing fleet of general aviation aircraft. Today, it is not only a best practice to have these systems installed, but a mandatory component of Air Traffic Control (ATC) initiatives around the globe. This technical white paper will briefly describe the history of datalink, its current implementation, and plans for the technology.