The aircraft radio is an amazing piece of equipment. By pressing down on the microphone switch you can have a conversation with a wide range of people; from the local controller to other pilots in the area. But operating the radio also comes with responsibility. To avoid the serious consequences that can result from miscommunication, it is essential that all pilots have a good understanding of flight radio. This book follows closely the syllabi of Flight Radio from a range of aviation authorities around the world, allowing the reader to obtain the required knowledge in Flight Radio. It goes beyond these syllabi, with a particular focus on practical aviation, linking science with the real world. Each chapter contains a range of visual figures in full color and mini case studies that will allow the reader to have a deeper understanding of the wide range of components of flight radio.