51 points

Yes, this is a thing that can happen. When temperatures are high the air density means that planes need to achieve a higher speed to take off. Same for increased weight. Same for high altitude airports. Same when there’s less headwind to take off into.

If enough of these factors are bad enough, you have to change what you can. Can’t change the airport elevation or the weather, so that leaves you with the weight.

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8 points

Proper planning prevents piss poor performance.

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7 points
*

You realize localized weather is not always predictable far enough in advance to do much? Moreover, airlines don’t require passengers specify their weight when they purchase a ticket, so they can’t really plan ahead for going over a specific weight that is itself tied to local weather conditions. Mind you, this could be avoided by building in more wiggle-room, but that is not going to be accepted as a solution because it results in waste much of the time if, for example, you have empty seats because you wanted to be sure that you wouldn’t run in to the issue of going over weight.

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4 points

…right. But, of all airlines this could happen to, it did happen to the one known to cheap out in about every other metric. So, I’d say, shitty planning is also in the mix. Moreover, no more airlines flying that same day/time were affected, otherwise the headline would have been different.

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1 point

Poor capitalists trying to squeeze every cent of margin they can’t possibly plan for things that’s too hard

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7 points

isnt hot air less dense than cold air ?

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29 points

Yes, less air means less lift. Same issue with altitude.

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5 points

It also means less air, as in density, so the fans and compressors are able to pull in less air to burn with. The fadecs compensate for this automatically but it means the output is derated till you get far enough off the ground to get speed.

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4 points

i see. that makes sense now. thanks.

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32 points
*

Ok…? Why is this news?

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21 points

Agreed. This is clickbait. They want people to think that they kicked off the fat passengers.

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16 points

Well that would be the logical thing to do.

Kick of the heavier passengers and they don’t have to remove as many total people. Which is overall better as you’re creating travel problems for fewer people.

Although unless you’re like 20st then it’s unlikely that it would matter a great deal whether you pick the weightier people since they’ll be making the calculation based on a formula that attributes a set value to passenger weight.

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7 points

No one gets kicked off or picked. This is a quite regular occurrence in air traffic and the crew is then simply asking if someone would be willing to take a later flight. Those passengers also get some money for their inconvenience. This happens all the time.

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7 points

Good they did that. I’d probably would be one of those volunteers.

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3 points

Probably better than doing it mid flight.

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