The flight path from Taipei, Taiwan, to Tianjin, China, does not go directly to Tianjin in a straight line.
Instead, it heads directly north, then banks left (west) before heading north again.
Does anyone know why this is?
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1Please note that cross-posting is not an acceptable practice on the StackExchange network. Virtually all questions that are written properly and have been thought through will have a single site where they are most suitable. In this case, your cross-post to Aviation is the most suitable site as they are more qualified to answer this type of question.– LilienthalNov 3, 2015 at 11:28
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I'm voting to close this question as off-topic because this has already been cross-posted to another site.– Ankur BanerjeeNov 3, 2015 at 12:07
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1 Answer
It's because China manages its air traffic by routing flights along relatively narrow air corridors. For a discussion, see https://www.linkedin.com/pulse/explained-flight-delays-china-todd-siena.
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1Thank you very much, that explains it very clearly! I don't suppose anyone knows why the flight corridors are so small? Is it something to do with military air space? Nov 3, 2015 at 5:58
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2I suspect it is historical. They were probably established decades ago and the ATC system has not been modernized.– phoogNov 3, 2015 at 6:08