From the 669 Sqn AAC Line Book at RAF Wildenrath (Callsigns, Altitudes, Headings and distances may not be accurate, it was some time ago now)
Beaver Pilot "Gutersloh Radar, Army Air xxx Level FL 60 Heading 255"
Passing Lightning "Gutersloh Radar, any chance of vectors to the Beaver for a practice intercept?"
Gutersloh Radar " Roger Turn Left Heading 225, 20 miles
Lightning "Left 225, not visual"
Gutersloh Radar "Maintain Heading 225, 15 miles'
Lightning "Roger, not visual"
Gutersloh Radar " Right 230, 10 miles
Lightning "Right 230, not visual
Gutersloh Radar " Maintain 230, 5 miles
Lightning Roger "Not visual"
Gutersloh Radar " 230, 3 miles"
Lightning "Roger, No contact"
Beaver " Would you like me to switch my lights on to make things easier?"
Well, it was funny when I read it