ATR42-500 Air Caledonie, Air Caledonie International and Australasia Airlines Package. The ATR 42 is a twin-turboprop, short-haul regional airliner built in France and Italy by ATR. The name "42" comes from the aircraft's standard seating, which varies from 40 to 50. The aircraft was the basis for the ATR 72. Original FS2004 Model by Sánchez-Castañer. Texture sets by COLOMBAIN Jean François. Panel modifications for FSX by Danny Garnier. 2d and VC updated to include FSX XML gauges.