Earpiece, the cloudbase at Finmere was around 1000 ft agl for the whole morning.
I didn't have any problems seeing Silverstone when I got airborne to go to another feeder site, and the constant stream of aircraft (both singles and twins) through the Finmere over head enroute to Turweston at 1000ft and above would have to question why Silverstone was closed so long.
On a side issue what limits does the helitele fly to?? I assume they need the same 800ft and 5k. The timing of the heliport opening just before the race, about the time heletele was due to get airborne, must raise a few questions. Perhaps if I write ITV on the side of my aircraft....
Perhaps Octogan got there wish and proved to the powers that be that they can get everyone in by road with no delays. Next year could be fun again when they are back up to a capacity of 90,000.