indexer.ac select light-slow gear/gear[0]/position-norm 1 fdm/jsbsim/aero/alpha-deg 8 select light-fast gear/gear[0]/position-norm 1 fdm/jsbsim/aero/alpha-deg 6 select light-on-speed gear/gear[0]/position-norm 1 fdm/jsbsim/aero/alpha-deg 6 fdm/jsbsim/aero/alpha-deg 8 range 0 5