Non Radar service inside controlled airspace provided by an ATC unit to separate aircraft without the use of radar - Procedural Control
Non Radar service outside controlled airspace provided by an ATC unit to separate aircraft without the use of radar - Procedural Service.
My understanding is that inside controlled airspace an air traffic control service is provided. The way the service is provided depends on the flight rules of the flight(s). i.e. in class B, all flights are given instructions and all flights are separated while in class E only IFR flights are controlled but both VFR and IFR flights receive information that is available. See appropriate docs regarding the objectives of Air Traffic Control.
Outside controlled airspace the UK provides a flight information service. This service is provided in the form of Deconfliction Service, Traffic Service, Procedural Service or Basic Service as agreeed between the controller and the pilot.
Make no mistake about it, when you are getting a Deconfliction Service, you are being provided with a service that meets the UK's obligations in respect of Flight Information Service in Class F and G airspace.
When you are getting a Basic Service you are also being provided with a service that meets the UK's obligations in respect of Flight Information Service in Class F and G airspace.
They are simply opposite ends of the spectrum which is now Flight Information Service in the UK.
Or in other words the pilot and service provider have to agree on how good the flight information service that they are getting is going to be.
Semple No?
Regards,
DFC