Rapiscan Real Time Tomography: A Breakthrough Technical Innovation in Aviation Baggage Screening The Rapiscan RTT is a ground-breaking aviation security technology that is designed to accurately detect an increased range of explosive threats and prohibited items, including liquid explosives when compared to the currently deployed CT systems. It features an innovative stationary gantry design that allows it to provide detailed 3-D images of the item being scanned at speeds of between 1500 to 1800 bags per hour. The Rapiscan RTT is designed to provide the best possible security at a lower overall cost of ownership to meet the specific operational demands of a modern airport environment.