I found this forum having tried to find the answer on Google. I was on a B777 coming into Heathrow from Miami yesterday (AA56) and was expecting us to go into the usual hold. The attached picture showed we did ultimately do that but not after making a seriously tight circle. I thought at the time this was unusual in such a big plane so looked it upon flightradar (link below) and you can see just how sharp it was. Is this normal? I'm not the best flier so was pretty freaked out. I'm sure it's fairly common but I have never experienced anything like it, short or long haul.

enter image description here

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    $\begingroup$ There's a number of questions on the site about Flightradar24, often involving its lack of accuracy. Consider Flightradar24 to be worth approximately what you pay for it, but do check out those other questions. $\endgroup$ – user Feb 14 '18 at 15:44
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    $\begingroup$ possibly duplicate of: aviation.stackexchange.com/q/2269/1467 $\endgroup$ – Federico Feb 14 '18 at 15:45
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    $\begingroup$ @Will There's no way whatsoever it was as represented there - that's a data issue. $\endgroup$ – Dan Feb 14 '18 at 16:00
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    $\begingroup$ 360s are quite common, but they're smooth circles. FR24 likely just got two points in this circle, making it look much more dramatic. $\endgroup$ – Sanchises Feb 14 '18 at 16:07
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    $\begingroup$ A standard rate turn is 120 seconds, or three degrees of turn per second. Taking @Sanchises' comment at face value, even that would be considered tight for an airliner, but I don't have any first-hand experience on that. $\endgroup$ – user Feb 14 '18 at 16:08

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