LNER Class A3 4472 Flying Scotsman is a 462 Pacific steam locomotive built in 1923 for the London and North Eastern Railway LNER at Doncaster Works to a design of Nigel Gresley It was employed on longdistance express East Coast Main Line trains by the LNER and its successors British Railways Eastern and NorthEastern Regions notably on the London to Edinburgh Flying Scotsman train service after which it was named