The term 'Fast Flier' can refer to a variety of aircraft, including jets, supersonic transports (SSTs), jetplanes, turbojets, and JET airliners. Jets are aircraft that are powered by JET engines, which use a combination of fuel and air to create thrust. Supersonic transports (SSTs) are aircraft that are capable of flying faster than the speed of sound. Jetplanes are aircraft that are powered by JET engines and have wings for lift. Turbojets are JET engines that use a turbine to compress air before it is mixed with fuel. JET airliners are large passenger aircraft that are powered by JET engines. All of these aircraft are considered fast fliers due to their ability to travel at high speeds.