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occurred Dec 19, 2017 at 5:51

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edited Dec 19, 2017 at 3:46

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aircraft-design aircraft-systems boeing-787 apu

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asked Dec 19, 2017 at 1:56

Chaintawit Singkaew

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What is the purpose of the fin at the Boeing 787 APU exhaust?

The fin is located under the Boeing 787 APU exhaust as shown in the picture below. Does anybody know the application of this thing or it is used for 'guiding' the APU exhaust? Thanks.

aircraft-design aircraft-systems apu