Why Planes Don't Fly in Extreme Heat

Flight cancellation might come as a shocker when you’re sitting in the departure lounge looking at the gorgeous bright sunny weather outside. If there’s not a raincloud or snowstorm in sight, then what gives? Oh yeah, planes can’t fly in extreme heat!

In the summer of 2017, 50 flights were canceled at Phoenix Sky Harbor International Airport. The reason: temperatures were a brain-melting 120°F! In the age of super-advanced technology, it seems weird that air travel can be interrupted by an unusually hot day. The reason is actually in the nature of flight itself!
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TIMESTAMPS:
What makes planes fly 1:33
So can’t why planes fly in extreme heat? 3:07
Problems that extremely hot weather causes 4:17
What if a plane has to take off no matter what 4:50
What about the cold? 6:00
Can it be too windy to fly? 6:53
The riskiest situation that can happen in wet weather 8:05
#planes #aviation #brightside
SUMMARY:
- Before every departure, pilots get detailed information on the air temperature, humidity, elevation, runway length, and other important things.
- If there’s no lift, a plane won’t be able to take off and stay up in the air. It all has to do with wings and how they’re designed to redirect the movement of air.
- Since the air particles are resisting that change, the pressure on the underside of the wing is higher. Over the top of the wing, the pressure remains low.
- The atmosphere gets thinner the higher up you go. Here “thinner” simply means that the air molecules are further apart from each other.
- Hot weather has the same effect on air as higher altitudes do. That is, the higher the temperature, the less dense the air is.
- For some planes, mostly smaller ones, it gets to the point where it not only has to be reduced, but the flight must be rescheduled because it’d be too dangerous for it to even try to take off.
- Aircraft components like onboard electronics overheat, seals can get too soft or melt, brake temperatures increase during landings, there can be cabin cooling issues – a lot of things can break down in crazy hot temperatures.
- Leaving a few passengers on the ground is one of the possible solutions when the plane just has to take off no matter how hot it is outside.
- Is there such a thing as too cold to fly? Well, if anything, aircraft prefer when it’s chilly. After all, they’re designed to cruise at 35,000 feet, and such altitudes are known for their teeth-chattering temperatures of around -60°F.
- A plane is unlikely to start wigging out just because it’s going through some turbulence. Aviation engineers and manufacturers test their aircraft and specify limits for the ground-, air-, and cross speeds.
- Heavy rain is mostly a problem when it comes to landing. Runways are designed in such a way so that water doesn’t remain standing on them.
- However, if that happens, pilots have to adjust landing speed and distance depending on how much water is on the ground. Hydroplaning is the riskiest situation that can happen in wet weather.
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