Different airplanes have a different maximum operating temperature. Bombardier jets, for example, are designed to operate in temperatures of no more than 118 degrees Fahrenheit, whereas larger Airbus and Boeing jets are able to operate in temperatures of no more than about 126 degrees Fahrenheit.
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“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.”
But, is there an exact temperature that makes it too cold for a commercial airplane to fly? “There is not a specific temperature,” says Tom Haines, Senior Vice President of Media, Communications & Outreach at the Aircraft Owners and Pilots Association (AOPA).
Different airplanes have a different maximum operating temperature. Bombardier jets, for example, are designed to operate in temperatures of no more than 118 degrees Fahrenheit, whereas larger Airbus and Boeing jets are able to operate in temperatures of no more than about 126 degrees Fahrenheit.
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.
Heavy snow or blizzards can make landing and taking off too dangerous, while lightning storms can be very hazardous to any aircraft. Extreme heat can also interfere with an aircraft's performance, so in hotter parts of the world, extreme temperatures can cause significant delays.
When a plane flies through a supercooled cloud the disturbance causes droplets to collect on the airplane, and since the water droplets are already supercooled they solidify into ice almost instantly. While flying through a large cloud of supercooled water droplets, an airplane can experience considerable ice buildup.
Just because there is winter weather outside, it doesn't mean that planes will suddenly stop flying. As we've discussed above, snow, ice, and bad weather do not hinder a flight. It remains safe to fly as long as precautious and pilot training are both up to date.
While small planes, like private jets, may not be equipped to deal with extreme icing conditions, commercial jets can typically fly fast enough to avoid build-up during flight. Certain aircraft may also be outfitted with anti-icing features like heated leading edges on the wings and pores that secrete glycol.
Ryanair has a safety rating of 7 out of 7 from AirlineRatings.com. Ryanair was named one of AirlineRatings.com's Top Ten Safest Low-Cost Airlines for 2022.
Generally, it is the temperature of the rain that can affect take-off and landing. That is, if it is so cold that the rain turns into hail or snow, there could be a delayed or canceled flight. Airlines try not to cancel or delay flights as much as possible.
Turbulence might occur during your flight in rainy weather due to the presence of different air masses mixing together and causing disturbances aloft. Warm and cold air masses interacting with each other can result in turbulent conditions high in the sky, making your flight potentially more uncomfortable.
Can a plane take off in a thunderstorm? Technically, it is possible, but pilots and air traffic experts prefer to keep planes on the ground when a storm is present and wait for it to calm down before setting off.
Jet aircraft can safely fly over thunderstorms only if their flight altitude is well above the turbulent cloud tops. The most intense and turbulent storms are often the tallest storms, so en route flights always seek to go around them.