Cara Blackhall & Peter Davidson A flight bound for Edinburgh declared an 'emergency' on Friday morning. British Airways flight BA8704 departed London at approximately 11am on February 27. As it neared the Scottish capital, the pilot transmitted a general emergency code, according to flight tracking website Flightradar24. The aircraft was scheduled to touch down at 11.56am and the squawk 7700 was issued just minutes beforehand.