 In November 1963, British Eagle launched daily scheduled services between London Heathrow and Glasgow Renfrew with 103-seater, two-class Britannias.The inaugural London—Glasgow service – operated by ex-BOAC Britannia 310 "Enterprise" — was followed by daily two-class Britannia services from Heathrow to Edinburgh and Belfast the next day.Two Britannia aircraft were leased from BOAC to provide additional capacity.