Hi Alan,
06A20A: Currently shown as a Qatari Ground vehicle but has been flying around with flight ID of WTN10. Probably a QAF Hawk out of BAe Warton?
G-BJED: Now Draken Europe/FR Aviation (FRA32) (Taken over from the AAC Islanders that used to be based at Aldergrove)
G-NIHM: Babcock MCS Onshore (No longer NI Air Ambulance - change of contract to Sloane Helicopters)
G-HEMZ: Sloane Helicopters/NI Air Ambulance