# https://mavlink.io/en/messages/common.html#NAV_CONTROLLER_OUTPUT std_msgs/Header header float32 nav_roll # Current desired roll float32 nav_pitch # Current desired pitch int16 nav_bearing # Current desired heading int16 target_bearing # Bearing to current waypoint/target uint16 wp_dist # Distance to active waypoint float32 alt_error # Current altitude error float32 aspd_error # Current airspeed error float32 xtrack_error # Current crosstrack error on x-y plane