(CNN) — 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 ...

Tye reckons it’s “something that could definitely happen again,” but points out engines would need to be quieter and more fuel efficient. “We couldn’t have Concorde engines now, they’re far too noisy ...