simulation/notify-time-trigger Output message at intervals simulation/sim-time-sec ge simulation/notify-time-trigger velocities/vc-kts simulation/sim-time-sec ge 0.2 simulation/sim-time-sec ge 1 simulation/sim-time-sec ge 3 simulation/sim-time-sec ge 8 simulation/sim-time-sec ge 20 simulation/sim-time-sec ge 1 forces/fbx-gear-lbs eq 0 forces/fby-gear-lbs eq 0 forces/fbz-gear-lbs eq 0 fcs/mixture-cmd-norm ap/afcs/altitude-error-input ap/collective-cmd velocities/vc-kts position/h-agl-ft