With all due respect, since the question involves real-world air traffic, hence AIRCRAFT, Home > Cars & Transportation > Aircraft, is one of at least two appropriate categories.
11/06 Edit: The offensive answer I posted this rebuttal to has been deleted.
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If one is going to quote guidelines, please follow those guidelines as well. From the way the second reply was phrased and typed, I see a breach of at least two of the guidelines.
Dinna be so harsh on the lad for making a simple query.