setprop("/sim/flight-model", "yasim-no-fuel");        #disable fuel burn for our custom fuel script.
setprop("/controls/gear/brake-parking", 1);
setprop("/controls/engines/engine[0]/boost", 1);
setprop("/controls/engines/engine[1]/boost", 1);
setprop("/controls/engines/engine[2]/boost", 1);