Silverstone Oct 25, 2018 Location:Heliport, Towcester NN12 8GZ, UK [{"latlong":["52.070061","-1.018833"],"zoom":"11","infow":"Silverstone<\/span>Heliport, Towcester NN12 8GZ, UK<\/span><\/div>"}] ClassesGeneral Tech Regs for Class 1 Class1 – Vintage Class 1 – Historic Class 1 – Classic Class 1 – Pre 89 Formula A – Pre 95 & Pre 2000 TKMRR – Junior TKMRR TKMRR-Heavy Class 4 Historic Class 4 125 Classic Class 4 250 Classic Class 4 125 P&R Sporting Regulations