In answer to Estoril M (#150), try LHR. On a clear night you will see lines of aircraft going back 20 miles. Having been based there for 25 years, it was always with a warm feeling that one threw oneself into the welcoming arms of ‘Heathrow Director’, confident that spacing would be such that, when your turn actually arrived, no matter how close to touch down it might seem, 99.9% of the time, ‘Clear to Land’ would be forthcoming from the tower - and that really meant "Clear to Land"
- not "Hope it will be OK when you get there"!