Bangladesh, June 4 -- Airbus said the aircraft, MSN 707, flew for three hours and 43 minutes from Toulouse, France, on June 2. During the flight, the crew assessed general aircraft performance and tested the new fuel system architecture, with the aircraft reaching slightly above 41,000 feet.

The A350-1000ULR has been developed specifically for Qantas to operate some of the world's longest passenger flights, including a nonstop service between Sydney and London. The route spans nearly 10,000 nautical miles, with anticipated flight times stretching to as long as 22 hours.

The aircraft's extended range is achieved primarily through the integration of a rear center tank into its structure, adding approximately 1,000 nautical miles of range...