props->untie("environment/wind-speed-true-kts");
props->untie("environment/wind-from-true-degs");
props->untie("environment/rel-wind-from-degs");
props->untie("environment/rel-wind-speed-kts");
props->untie("environment/in-to-wind");
props->untie("environment/wind-speed-true-kts");
props->untie("environment/wind-from-true-degs");
props->untie("environment/rel-wind-from-degs");
props->untie("environment/rel-wind-speed-kts");
props->untie("environment/in-to-wind");