The British Aerospace Jetstream 31 has been operated in the U.S. by Pan American World Airways, Trans State Airlines, Express I Airlines as well as Atlantic Coast Airlines. It remains in use in several Charter and Regional airlines around the world.
Powered by Garrett TPE-331-20 engines, the J31 has a max takeoff weight of 15,212 and a useful load of 4,500 lbs. The aircraft has two baggage storage areas, an aft baggage compartment that can carry 628 lbs. and a ventral pod which can carry 435 lbs.
Standard seating is provided for up to 19 passengers in a pressurized, air conditioned cabin, with galley and toilet facilities. The cabin is 24.25 ft long, 5.9 ft high and 6 ft wide. Total cabin volume is just over 450 cu. ft. Pressurization and air conditioning are provided by an engine air bleed system, with warm air provided at floor level and cold air through overhead outlets. There is a separate flight deck temperature control.