How cold do flights get?

“Jet fuel begins to gel in extreme conditions and does eventually freeze, typically at minus 40 or so, although additives can be included that reduce that further,” says Haines. “Aircraft at cruising altitude will often experience temperatures of minus 50 to minus 70 F for hours on end.”



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How does weather influence air safety? Weather is a factor in a majority of accidents. Fair weather flying is safest. The most dangerous weather conditions are icing and Level 5 or 6 thunderstorms.

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But icing aside, cold air can help a plane take off and fly more efficiently. So why do planes perform better in cold weather? Simply, colder air is denser than warmer air, which contributes to engine performance and air lift.

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For the most part, rain doesn't interfere with flights. Heavy rain will only become an issue when visibility is reduced near the runway or unique weather phenomena is present that cause rain droplets to freeze onto the aircraft. In general, airplanes can handle significant amounts of rain without issue!

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The type of weather that delays and cancels flights is called inclement weather. Inclement weather is categorized as thunderstorms, snowstorms, wind shear, icing, and fog. Any inclement weather is by far the most hazardous. This is the type of weather that causes the most cancellations and delays, not just rain.

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Call the Airline or Check Its Website Often When you have an upcoming flight, you can typically get information on any potential delays or cancellations by calling the airline often or checking its website.

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Airplanes fly in minus 56 celsius (-69 degrees Fahrenheit) or colder conditions at altitude, therefore if the fluids can be kept warm, the airplane can usually operate. Very hot conditions usually result in performance problems more than mechanical ones.

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Most flights are intended to spend as little time as possible over water, since storms are more common over the ocean than on land. An aircraft would not be safe to fly over the Pacific Ocean due to the stormy weather and frequent lightning strikes that occur there.

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The highest certified altitude of an airliner was Concorde's 60,000 feet. Today some of the corporate jets can fly at 51,000 feet. Q: What is the highest cruising altitude allowed? A: Most airliners are limited to 45,000 feet or less.

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Airlines deal with a lot of angry, exhausted travelers due to flight delays and cancellations. While snow, sleet, and icy conditions are definitely culprits in winter, frigid temperatures aren't. If you want to avoid as many delays as possible, this is the best time to fly.

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Lenticular and Mammatus Clouds: Avoid the Area Avoid flying close to lenticular clouds because they are important indicators of localized strong wind and heavy turbulence along mountain ranges.

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