For homonymous articles, see UIR. This article is a draft concerning aeronautics.
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A Upper Flight Information Region (or UIR) is a flight information region in upper airspace. In France change the code
In France the UIR extends from FL 195 to unlimited. It is in Class C airspace from FL 195 to FL 660.
It's in class G FL 660 airspace with unlimited. Notes and edit the code
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