The North American CT-39 (Sabreliner) is an American trainer and utility transport aircraft based on the Rockwell 40 commercial aircraft. The North American CT-39 is a low-wing cantilever monoplane of metal construction produced in a number of models. Two Pratt and Whitney J60-P-3 engines provide a top speed of 563 mph and a range of 3380 km. The North American CT-39 carries a flight crew of two and up to ten passengers or 2500 lbs of freight in the cabin, depending upon the model. American Air Force and Navy CT-39's were equipped with radar and LORAN navigational equipment and used to train navigators and F-105 aircrews. Research North American CT-39