I have just seen that a BA flight from London to Miami took a 2 hour detour to use up fuel before heading to its destination. It is not the first time I have heard of this.
Why do planes need to use up/dump the fuel before landing? Surely it’s better to be safe and have more than enough fuel for the entire journey therefore not use up a full tank just before landing?
In: 1
To reduce weight for landing typically. For long flights especially they take off heavier than they can safely land in weight.
In emergencies they’ll dump fuel to ensure their weight and the fuel aren’t a factor in any outcome.
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