How Cold Does It Have To Be To Keep A Plane From Flying
With much of the country in the midst of a deep freeze, travelers may be wondering how cold it has to be for the severe weather to foil upcoming travel plans. But it isn’t the cold that’s a problem for most aircraft. After all, commercial airplanes can cruise at an altitude of nearly 40,000 feet, where temperatures hover around -70 degrees Fahrenheit. Jet fuel freezes at around -40 degrees Fahrenheit, but it will work just fine as long as it’s kept above that temperature on the ground....