Rotax powered devices with no mixture. When they move on to better power plants mixture is often skimmed over
HAHAHAAHA thanks for the laugh.... its 2013 isnt it? Why do we still have mixture controls? oh thats right. dinosaur technology Vs modern engine.
but i have to agree with Aussie Bob, lean in cruise regardless of Altitude. how many of those students with the dont lean below 3000 BS go when operating from a higher and hotter airfield once licenced and Density alt comes into play?
then again, i have flow with some CPL's recently from other schools i would not give an RAAus certificate to.