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I seem to recall Phoenix closing Sky Harbor when the temperature went above (IIRC) 117 F. Fixed-wing planes generate less lift, too. (Or was that because the
by AnimalMuppet 2y ago
I seem to recall Phoenix closing Sky Harbor when the temperature went above (IIRC) 117 F. Fixed-wing planes generate less lift, too. (Or was that because the asphalt runways were softening? I think it was lift, but I'm not 100% sure.)
- chung8123 2y agoSome airplanes just aren't certified for high temps too.
- falcolas 2y agoThere's no certification for heat per se; it's more that there's just a point where the aircraft can't take off safely from a given runway. Increased air temperature means increased takeoff distances for a given weight. These are set by the manufacturer, and can be revisited as appropriate.
- t0mas88 2y agoNot a certification limit, but you need valid performance data to be allowed to take off. So if the data is only provided up to 50 C / 122 F, then you can't take off legally at 128 F.
- freeopinion 2y agoSky Harbor hit 118F last Friday and Monday. It's supposed to be 117F today and tomorrow. That's a lot of closures.
- nradov 2y agoPhoenix didn't close Sky Harbor due to high temperatures. Some airlines canceled flights years ago when temperatures exceed 118 °F but those limits have since been raised. https://www.azcentral.com/story/news/local/phoenix-weather/2018/07/24/phoenix-flights-never-too-hot-fly-out-sky-harbor-airport-american-airlines/827871002/ https://www.azcentral.com/story/news/local/phoenix-weather/2...
- AnimalMuppet 2y agoI stand corrected.