The Tu-144 supersonic transport was the fastest commercial jet aircraft at Mach 2.35 (). It went into service in 1975, but was withdrawn from commercial service shortly afterwards. The Mach 2 Concorde entered service in 1976 and flew for 27 years.
the tu-144 supersonic transport was the fastest commercial jet aircraft at mach 235 () it went into service in 1975 but was withdrawn from commercial service shortly afterwards the mach 2 concorde entered service in 1976 and flew for 27 years