The initial model in 's family of twin-turbofan, narrowbody airliners made its first flight in February 1987. The A319 typically seats 124 passengers; the A320, 150; and the A321, 185. All three original models are available with a choice of or International Aero Engines turbofans. In December 2010, Airbus launched the NEO reengined A320 family, offered with a choice of either Pratt & Whitney's or -1A engines. Deliveries are scheduled to begin in late 2015. Airbus will continue to offer its baseline A319/A320/A321 models. The direct competition for the A320 family includes the series and . Airbus built 1,319 A319s, 2,860 A320s and 692 A321s through 2011. Including baseline and NEO models, production of 5,346 A319/A320/A321 aircraft is forecast for 2012-21.