The Airbus A319 is the shortened version of the popular A320. Launched in 1995 the aircraft was soon a very popular among the airlines for its versatility and commonality with the bigger A320.
The A319ceo in this package has various versions, and on this package you will have 4.
The Airbus A319 with CFM engines, the A319 with IAE engines, the A319CJ with both CFM and IAE engines.