Can someone from European/UK ATC advise us whether or not you want an aircraft in a rapid [unplanned] descent to squawk 7700?
Our training department is saying in Europe, ATC don't want us to change the assigned code in an emergency descent, it would "cause more problems" and you "can see we are in descent"
Thanks
From the pilot's perspective my take on this is that if you cannot get a word in on the RT (quite probable these days!) and you have to descend then squawk 7700. If you can put a Mayday out on RT then maintain the assigned squawk.