http://www.flightradar24.com/

I count 4 planes over the UK.

Northern Europe seems to be busier!

I can't believe it's very accurate, if it thinks there are only 216 aircraft worldwide ("Showing: 49 aircrafts of 216 worldwide"... surely there must be more than than?

I just zoomed out and there is nothing in Africa, most of North and South America, Russia and China...

[Edited on 20.04.2010 by Humbug]

There's more - it only shows a/c within range of their own transponder network... They've only got 100 transponder sites, so it won't give much coverage...

i like it though.

You should see a few more Mike, Newcastle is reported to be operating flights in a north westerly sort of direction.

Another site here --

http://www.radarvirtuel.com/

Not sure if light arcraft show up on there but i know shoreham airport is opperating as normal as i saw the planes taking off and landing yesterday.

What a cool site! quite clever

What a cool site! quite clever