The Airbus A-340 plane has a maximum takeoff weight of about 260,000kg, a length of 64m, a wing span of 60m, a maximum cruising speed of 945km/h, a seating capacity of 271 passengers, maximum cruising altitude of 14, 000 m, and a maximum range of 12, 000km. The air temperature at the cruising altitude is about -60 degrees celcius. Determine the Mach number of this plane for the stated limiting conditions.