Originally Posted by
HEATHROW DIRECTOR
I worked in ATC for most of my life and only recall a couple of occasions when contact was lost with an aircraft; maybe it's worse nowadays? Point is, when accountants are asked for money they ask how much the service will be used. In my experience, not a lot!
Seems to happen more since they introduced 8.33 khz frequency spacing. It's far too easy to misdial one digit and on the early ones, you had to remember to switch between 25 and 8.33 spacing on your own radio.