Only 17,783 landings? Don't make me laugh. That is only one quarter the number should be. And that is not counting the in-flight noise that could be multiplied by two.
A helicopter takes off, lands at its destination, takes off again, and lands at home base. That makes four big noises - 17,783 sallys times four equals 71,132 more big noises.
Gosh, for some reason my newly created number does not make me feel any better. Let's go back to the cosmetic 17,783 number where the helicopters only land on the icefield.
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