The Praetor 600 was announced in 2018. This model was certified and was supposed to enter commercial service by the end of 2019. The machine is a modification of the Legacy 450 model. It features the addition of powerful Honeywell HTF7500E engines, additional fuel tanks, and new wing tips. This airliner is expected to be the fastest business jet in its class. It able to carry out a flight London — New York without transfers, covering a distance of 7223 km at a speed of 881 km / h.