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VFR weather conditions

См. также в других словарях:

  • 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

  • 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

  • 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

  • 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

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

  • special VFR operations — Aircraft operating in accordance with clearances within Class B, C, D, and E surface areas in weather conditions less than the basic VFR (visual flight rules) weather minimums. Such operations must be requested by the pilot and approved by air… …   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

  • Aerodrome beacon — An aerodrome beacon is a beacon installed at an airport or aerodrome to indicate its location to aircraft pilots at night.An aerodrome beacon is mounted on top of a towering structure, often a control tower, above other buildings of the airport.… …   Wikipedia

  • Antonov An-148 — Infobox Aircraft name=Antonov An 148 type=Airliner manufacturer=Antonov caption=Antonov An 148 at Le Bourget airport, Paris Air Show 2007 designer= first flight=December 17 2004 introduced=April 2005 retired= produced= primary user=Polet… …   Wikipedia

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