Originally Posted by Amlb

Just noticed the Faro flight is doing loops east of Brest at 10,000ft???

Originally Posted by Waterhorse

Only to say I have no more info than you. As PETER01 says 7700 is the Emergency squawk - it can everything from minor issues to a full on disaster. ATC Radar is now all pretty much processed digital imaging so the use of the code allows ATC a clearer view of things and let’s everyone around know there is a degree of urgency required in the handling of the aircraft