The EMB121A1-Xingu is a twin-turboprop fixed-wing aircraft built by the Brazilian aircraft manufacturer, Embraer. The design is based on the EMB 110 Bandeirante, using its wing and engine design merged with an all-new fuselage. The EMB121 was the first pressurized aircraft manufactured by Embraer and first flew on October 10, 1976. A modified variant of the EMB 121, the EMB 121A1-Xingu II, was introduced on 4 September 1981 with a more powerful engine (PT6A-135), increased seating and a larger fuel capacity.