- Source: Upper information region
- Wilayah informasi atas
- Daftar istilah penerbangan
- Region di Guyana
- Sungai Saint Lawrence
- Amerika Serikat
- Daraga, Albay
- Minnesota
- Daftar padanan istilah aviasi dan penerbangan
- Boljoon
- Amerika Serikat Selatan
- Upper information region
- Flight information region
- Upper East Region
- Upper Midwest
- Bekenstein bound
- Mahama Ayariga
- Svaneti
- National Register of Historic Places listings in the Upper East region of Texas
- UIR
- Upper Paleolithic
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In aviation, an upper information region (UIR) is a flight information region in upper airspace.
See also
Area control center (list)
Airway (aviation)
Air corridor
Control area (aviation)
Control zone
Terminal control area