видимый разрыв (расстояние, напр. до токоведущих частей)
—
[Я.Н.Лугинский, М.С.Фези-Жилинская, Ю.С.Кабиров. Англо-русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.]
Англо-русский словарь нормативно-технической терминологии. academic.ru. 2015.
Visual flight rules — (VFR) are a set of regulations which allow a pilot to operate an aircraft in weather conditions generally clear enough to allow the pilot to see where the aircraft is going. Specifically, the weather must be better than basic VFR weather minimums … Wikipedia
Visual meteorological conditions — In aviation, visual meteorological conditions (or VMC) is an aviation flight category in which visual flight rules (VFR) flight is permitted that is, conditions in which pilots have sufficient visibility to fly the aircraft maintaining visual… … Wikipedia
visual approach slope indicator — A system of lights arranged to provide visual descent guidance information during the approach to a runway. These lights are visible from 3 to 5 miles during the day and up to 20 miles at night. The visual glide path of the VASI provides a safe… … Aviation dictionary
Visual Approach Slope Indicator — The Visual Approach Slope Indicator (VASI) is a system of lights on the side of an airport runway that provides visual descent guidance information during the approach to a runway. These lights may be visible from up to eight kilometers (five… … Wikipedia
visual-maneuvering (circling) area — The area in which the obstacle clearance should be taken into consideration for aircraft carrying out a circling approach (ICAO). It is the visual phase of flight after completing an instrument approach to bring an aircraft into position for… … Aviation dictionary
visual meteorological conditions — Weather conditions in which visual flight rules apply; expressed in terms of visibility, ceiling height, and aircraft clearance from clouds along the path of flight. When these criteria do not exist, instrument meteorological conditions prevail… … Military dictionary
visual meteorological conditions — Weather conditions in which visual flight rules apply. It is expressed in terms of visibility, ceiling height, and aircraft clearance from clouds along the path of flight. When these criteria do not exist, instrument meteorological conditions… … Aviation dictionary
Special visual flight rules — (SVFR) are a set of aviation regulations under which a pilot may operate an aircraft. Flight under SVFR is only allowed in control zones, and always requires clearance from air traffic control (ATC). It usually happens under two circumstances:… … Wikipedia
air traffic control clearance — Authorization for an aircraft to proceed under conditions specified by an air traffic control unit (ICAO). This is to prevent collisions between known aircraft. The pilot in command of an aircraft must not deviate from the provisions of VFR… … Aviation dictionary
Broadcast Advertising Clearance Centre — The Broadcast Advertising Clearance Centre (BACC) was an NGO which until December 31 2007 pre approved most British television advertising. The work of the BACC has been taken over by Clearcast Ltd.BACC approval was applied both to scripts and to … Wikipedia
IFR clearance VFR-on-top — An IFR (instrument flight rules) flight plan operating in VFR (visual flight rules) weather conditions may request VFR on top in lieu of an assigned altitude. This clearance permits the pilot to select an altitude or flight level of his or her… … Aviation dictionary
