Originally Posted by Fast Guy
Originally Posted by rs shawn
Performance orientated aircraft use avtur.
Piston engine aircraft use Avgas, Jet engine/turbo props etc use Avtur.
Exactly mate: piston = slower & economical, turbojet/ turboprop = performance & not very economical in comparison.
As for availability Steve200+ : you need to find yourself a friendly aircraft technician local to you who *could* source some avtur now & again without raising too much suspicion from other work people.