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Visual flight rules

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VISUAL FLIGHT RULES (VFR) Refers to the general weather conditions pilots can expect at the surface. VFR criteria means a ceiling greater than 3,000 feet and greater than 5 miles. Related terms: MVFR and IFR ...

 


Marginal Visual Flight Rules - in an aviation product, refers to the general weather conditions pilots can expect at the surface. VFR stands for Visual Flight Rules and MVFR means Minimum or Marginal Visual Flight Rules.

Aviation Area Forecast (FA): This NWS aviation product is a forecast of Visual Flight Rules (VFR) clouds and weather conditions over an area as large as the size of several states.

Marginal VFR Weather:Marginal Visual Flight Rules.
Marginal VFR Weather: Ceilings greater than or equal to1,000 ft. to less than or equal to 3,000 ft. and/or
VFR: In flying: Visual Flight Rules
VFR Weather: Ceiling greater than3,000 ft.

VFR"The commonly used abbreviation for visual flight rules (formerly contact flight rules, or CFR).

VFR Abbreviation for visual flight rules, but commonly used to refer to the relatively favorable weather and/or flight conditions to which these rules apply.

Instrument Flight Rules
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Instrument Flight Rules, LIFR, Marginal Visual Flight Rules, MRGL, MVFR, VFR
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VFRVisual Flight RulesVILVertically-Integrated Liquid water. A property computed by RADAP II and WSR-88D units that takes into account the three-dimensional reflectivity of an echo.

See also: Weather, Air, Temperature, Cloud, Surface

Meteorology Visible radiationVolcanic ash

 
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