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VFR weather conditions (visual flight rules weather conditions)

См. также в других словарях:

  • 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

  • VFR (visual flight rules) not recommended — An advisory provided by an FSS (flight service station) to a pilot during a preflight or an in flight weather briefing that flight under visual flight rules is not recommended. This clearance is given when the current and/or forecast weather… …   Aviation dictionary

  • IFR (instrument flight rules) conditions — Weather conditions below the minimum allowed for flight under visual flight rules, or VFR …   Aviation dictionary

  • Instrument flight rules — (IFR) are a set of regulations and procedures for flying aircraft whereby navigation and obstacle clearance is maintained with reference to aircraft instruments only , while separation from other aircraft is provided by Air Traffic Control. In… …   Wikipedia

  • Flight plan — Flight plans are documents filed by pilots or a Flight Dispatcher with the local Civil Aviation Authority (e.g. FAA in the USA) prior to departure. They generally include basic information such as departure and arrival points, estimated time en… …   Wikipedia

  • 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

  • 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

  • Weather map — A surface weather analysis for the United States on October 21, 2006. A weather map displays various meteorological features across a particular area at a particular point in time.[1] Such maps have been in use since the mid 19th century and are… …   Wikipedia

  • weather-depiction chart — A computer prepared chart compiled from surface aviation observations. The weather depiction chart gives a broad overview of the observed flying category conditions at the valid time of the chart. This chart begins at 01Z (0100 h Greenwich Mean… …   Aviation dictionary

  • Instrument meteorological conditions — (IMC), sometimes referred to as Blind flying, is an aviation term that describes weather conditions that normally require pilots to fly primarily by reference to instruments, and therefore under Instrument Flight Rules (IFR), rather than by… …   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

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