Uir definitions

Uir

1) Onetime twa rival
Found on https://www.crosswordclues.com/clue/uir

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UIR

abbreviation: Upper Flight Information Region
Found on http://www.encyclo.co.uk/local/20021

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UIR

Upper Information Region
Found on http://www.translationdirectory.com/glossaries/glossary143.htm

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