Scroggs,. .. .I've never understood the art of plane spotters either, radio aids spotting must be one of those clever specialist splinter groups !!!. .. .But I did have a bloody good laugh when I saw these pictures appear in such a short space of time. This site is a wealth of information.. .. .However bizarre. Why not let it run for a bit.. .. .By the way - anyone know what a profile truck is?. .....just curious.