public void Icao(double altitude, double pressure, double temperature)
{
var atmosphere = Atmosphere.CreateICAOAtmosphere(new Measurement <DistanceUnit>(altitude, DistanceUnit.Meter));
atmosphere.Pressure.In(PressureUnit.Pascal).Should().BeApproximately(pressure, 1);
atmosphere.Temperature.In(TemperatureUnit.Celsius).Should().BeApproximately(temperature, 0.1);
}