Concorde granted permission by the Canadian authorities for the majority of the journey to be flown supersonically over sparsely-populated Canadian territory. Concorde The Aérospatiale/BAC Concorde () is a British-French turbojet-powered supersonic passenger airliner that was operated from 1976 until 2003. It had a maximum speed over twice the speed of sound at Mach 2.04 ( at cruise altitude), with seating for 92 to 128 passengers. First flown in 1969, Concorde entered service in 1976 and continued flying for the next 27 years. It is one of only two supersonic transports to have been operated commercially; the other is the Soviet-built Tupolev
Concorde crashes, one at the 1973 Paris Air Show, and another during a pre-delivery test flight in May 1978. Later production Tu-144 versions were more refined and competitive. They had retractable canards for better low-speed control, turbojet engines providing nearly the fuel efficiency and range of Concorde and a top speed of Mach 2.35. Passenger service commenced in November 1977, but after the 1978 crash the aircraft was taken out of passenger service after only 55 flights, which carried an average of 58 passengers. The aircraft had an inherently unsafe structural design as a consequence of an automated production method chosen