meanwhile, embraer launched its four-abreast, under-wing powered e-jets for 70 to 122 passengers at the paris air show in june 1999, which made its maiden flight in february 2002 and was introduced in 2004. airbus launched its 107-117 passengers a318 shrink on 21 april 1999, which made its first flight in january 2002, as boeing had the 737ng-600 first delivered in september 1998.