Not wishing to be embroilled in any arguments, and only because, as a Fighter Controllers' Assistant, I'm curious as to procedures used outside of the Fighter Control world, do normal (for want of a better phrase!) Air Traffic Controllers limit their service depending on radar coverage?
Certainly, when controlling a/c, and particularly overland, the controllers I work with apply a FIS height depending on radar coverage/operating area ...
"You are identified Radar Information Service, limited below Xft, Flight Information Service below Xft. You are responsible for terrain avoidance. Acknowledge" (or words to that effect!)
I realise the aircraft in this incident may have been within the coverage of the radar in use, as mention has been made of "last radar plots", but I'm just curious, purely for my own knowledge.
Regards,
FCWB