instrument meteorological conditions
Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling; less than minimums specified for visual meteorological conditions. Also called IMC. See also visual meteorological conditions.

Military dictionary. 2000.

Look at other dictionaries:

  • 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

  • instrument meteorological conditions — Meteorological conditions expressed in terms of visibility, the distance from clouds, and the ceiling, less than the minimums specified for visual meteorological conditions. In a control zone, a VFR (visual flight rules) flight may proceed under… …   Aviation dictionary

  • Instrument Meteorological Conditions — (IMC) sind Flugwetterbedingungen, die das Fliegen nach Instrumenten und damit auch nach den Regeln für den Instrumentenflug (Instrument Flight Rules, IFR) erforderlich machen. Piloten müssen für das Fliegen nach Instrumentenflugregeln speziell… …   Deutsch Wikipedia

  • instrument flight conditions — Restricted meteorological conditions in which control of an aircraft in flight (other than a balloon) is required to be maintained solely by reference to aircraft flight instruments …   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

  • 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

  • Instrumental Meteorological Conditions — IMC signifie : « Instrument Meteorological Conditions », ce qui se traduit par : « conditions météorologiques de vol aux instruments ». Sommaire 1 Définition 1.1 Réglementation européenne 1.2 Réglementation… …   Wikipédia en Français

  • 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 — Die Begriffe Visual Meteorological Conditions (VMC) und Sichtflugwetterbedingungen sind synonym und bezeichnen die minimalen Wetterbedingungen, die erfüllt sein müssen, um Flüge nach Sichtflugregeln durchzuführen. Die Mindestbedingungen sind… …   Deutsch Wikipedia

  • 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

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