if ((old_state == null || old_state.state <= Altos.ao_flight_boost) &&
state.state > Altos.ao_flight_boost) {
voice.speak("max speed: %s.",
if ((old_state == null || old_state.state <= Altos.ao_flight_boost) &&
state.state > Altos.ao_flight_boost) {
voice.speak("max speed: %s.",