17.40 BST cropped screenshot 3 x Pilatus USAF.
17.40 - Bit off piste - area from Berkshire , but over the North sea now, on F24, north of Norwich , THREE
Pilatus PC12/47's two are def. UASF , in convoy at 28,000 feet heading 310 degrees
leading Pilatus ;
N779PC out of Milan LIN. ( been there several times ) , just thought unusual 
, curious TFC