EVA Air operates a mixed fleet of Airbus and Boeing aircraft, with Airbus A330, Boeing 747, Airbus A321, and Boeing 777 airliners primarily used on passenger routes, along with Boeing 747 freighters used on cargo routes. The airline was one of the first carriers to introduce the Premium Economy class (called Elite class in EVA Air), which it debuted in 1991. Elite class is onboard Boeing 777 and selected Boeing 747 aircraft.