@type t() :: %APM.Message.UtmGlobalPosition{
  alt: MAVLink.Types.int32_t(),
  flags: MapSet.t(APM.Types.utm_data_avail_flags()),
  flight_state: APM.Types.utm_flight_state(),
  h_acc: MAVLink.Types.uint16_t(),
  lat: MAVLink.Types.int32_t(),
  lon: MAVLink.Types.int32_t(),
  next_alt: MAVLink.Types.int32_t(),
  next_lat: MAVLink.Types.int32_t(),
  next_lon: MAVLink.Types.int32_t(),
  relative_alt: MAVLink.Types.int32_t(),
  time: MAVLink.Types.uint64_t(),
  uas_id: [MAVLink.Types.uint8_t()],
  update_rate: MAVLink.Types.uint16_t(),
  v_acc: MAVLink.Types.uint16_t(),
  vel_acc: MAVLink.Types.uint16_t(),
  vx: MAVLink.Types.int16_t(),
  vy: MAVLink.Types.int16_t(),
  vz: MAVLink.Types.int16_t()
}