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| aeron. |
ближний маркёр (ный радиомаяк) |
| avia. |
внутренний маркёр; ближний радиомаркёр; ближний приводной радиомаяк (kotechek); внутренний радиомаркер; БПРМ (kotechek); ВиМРМ (Category II ILS approach systems may include a third marker beacon called the inner marker (IM), although these are becoming less common.  goldmethod.com Anchovies); внутренний маркерный радиомаяк (Category II ILS approach systems may include a third marker beacon called the inner marker (IM), although these are becoming less common. goldmethod.com Anchovies) |
| mil., avia. |
внутренний маркер; ближний маркер; ближний радиомаркер |
| navig. |
ближний маркер (в посадочной системе с тремя маркерами) |
| tech. |
ближний маркёрный радиомаяк |
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| English thesaurus |
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| avia., amer. |
A marker beacon used with an instrument landing system ILS CAT II precision approach located between the middle marker and the end of the ILS runway, transmitting a radiation pattern keyed at six dots per second and indicating to the pilot, both aurally and visually, that he/she is at the designated decision height DH, normally 100 ft above the touchdown zone elevation, on the ILS CAT II approach. It also marks progress during a CAT III approach. |
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| abbr., scottish |
IM |
