A Kalitta Flying Service Learjet 25, flight KFS-66 from Manassas,VA to Detroit Willow Run Airport also known as Ypsilanti Airport,MI (USA), was enroute at approximately FL320 and had just checked in with air traffic controller Jay McCombs at Cleveland's Air Route Traffic Control Center, when the controller noticed the microphone of KFS-66 was continously keyed.
Cleveland Air Traffic Controllers awarded for recognizing severe pilot's hypoxia, Jul 26th 2008