BA and Air France both operated one more Concorde than they had intended due to aircraft being built for other customers, but not delivered.
On January 21, 1976 a teenage John Tye was among crowds of onlookers clinging to a chain link fence, cheering as the first commercial British Airways Concorde flight departed from London’s Heathrow ...
Comparing the Boom Overture to Concorde and its commercial viability.