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| English thesaurus |
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| abbr., avia. |
R (MichaelBurov) |
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| avia., Canada |
Class F airspace of defined dimensions above the land areas or territorial waters within which the flight of aircraft is restricted in accordance with certain specified conditions |
| mil., logist. |
An area under military jurisdiction in which special security measures are employed to prevent unauthorized entry. (UKR/NATO); An airspace of defined dimensions, above the land areas or territorial waters of a state, within which the flight of aircraft is restricted in accordance with certain specified conditions. (UKR/NATO); An area in which there are special restrictive measures employed to prevent or minimize interference between friendly forces. (UKR/NATO); An area delimited and enclosed to maintain the protection of facilities, equipment, secrecy of researches, studies or productions in which the freedom of movement is constantly forbidden. 2. NATO A designated location or area within which NATO or NATO-led forces accept a specified degree of responsibility for persons or property and may impose restrictions on movement. Related term: safe area. Note: the use of force may be authorized to establish and protect a secure area. (FRA) |
| USA |
An area land, sea, or air in which there are special restrictive measures employed to prevent or minimize interference between friendly forces. see also restricted areas air; An area under military jurisdiction in which special security measures are employed to prevent unauthorized entry (JP 3-34) see also restricted areas air |
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| USA |
Designated areas established by appropriate authority over which flight of aircraft is restricted (JP 3-52) see also restricted area |
