Reds came through the London CTZ about 15 minutes ago, exiting via Northwood and just North of Chiltern. Suprise suprise...about three aircraft sitting dead on the route between 1000' and 2400' One of them, probably a R22 or R44, judging by it's groundspeed, came within a mile and 200' of the formation. I know this is class G airspace, but surely......
