1350 Noticed operating east of Scarborough are RAVN Aerospace N508XX ( Drab Grey Livery ) and N511XX ( Camo Livery )both are BAe Systems T-59 Hawk Mk.67`s.
Also in the area is Top Aces Dornier Alpha Jet A C-GLTO as AMBUSH71 All three out of Lakenheath.
ADSB seems to playing up today.