@type t() :: %APM.Message.WindCov{
  horiz_accuracy: Float32,
  time_usec: MAVLink.Types.uint64_t(),
  var_horiz: Float32,
  var_vert: Float32,
  vert_accuracy: Float32,
  wind_alt: Float32,
  wind_x: Float32,
  wind_y: Float32,
  wind_z: Float32
}