https://www.flightradar24.com/9.08,-0.92/2 ...
it is a seamless real time monitor that you can zoom in to and you can identify individual flights, following their course and progress
there is a long article on air traffic control in wikipedia that deals with the complexities and challenges of the various systems in use around the world, and their integration protocols
https://en.wikipedia.org/wiki/Air_traffic_control
our local air traffic control is under the supervision of NATS and their mapping of the system is an eye-opener for me
http://www.nats-uk.ead-it.com/public/index.php%3Foption=com_content&task=blogcategory&id=93&Itemid=142.html
their mapping and documentation is a model of clarity ... as far as a layman can tell ... for example ...
http://www.ead.eurocontrol.int/eadbasic/pamslight-2A08D280A7AC5FD7E966180857238322/7FE5QZZF3FXUS/EN/Charts/AD/AIRAC/EG_AD_2_EGKK_2-2_en_2017-03-30.pdf
at gatwick it is interesting to see the "double-decker" A380 come and go, and lately i've been reading a blog by a man who sits in the flight deck of one such ... he's just written a short article about airport ground control etiquette and about the larger issue of the future of air traffic control ...
https://a380flightdeck.tumblr.com/post/160981405075/air-traffic-control-system-desperately-needs
