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  2. Visual flight rules - Wikipedia

    en.wikipedia.org/wiki/Visual_flight_rules

    VFR requires a pilot to be able to see outside the cockpit to control the aircraft's altitude, navigate, and avoid obstacles and other aircraft. [3] Governing agencies establish specific requirements for VFR flight, including minimum visibility, and distance from clouds, to ensure that aircraft operating under VFR are visible from enough distance to ensure safety.

  3. Special visual flight rules - Wikipedia

    en.wikipedia.org/wiki/Special_visual_flight_rules

    It usually happens when the aircraft is inside controlled airspace, and the local weather is less than the minimums required for flight under visual flight rules (VFR) within the airspace in question. [5] Note that an aircraft might be able to fly under SVFR even in Class A airspace, where instrument flight rules (IFR) flight is the norm. [6]

  4. Visual meteorological conditions - Wikipedia

    en.wikipedia.org/wiki/Visual_meteorological...

    VFR / VMC visibility requirements in the US. In aviation, visual meteorological conditions (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 separation from terrain and other aircraft.

  5. List of Internet forums - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_forums

    An Internet forum, or message board, is an online discussion site where people can hold conversations in the form of posted messages. [1] They are an element of social media technologies which take on many different forms including blogs, business networks, enterprise social networks, forums, microblogs, photo sharing, products/services review, social bookmarking, social gaming, social ...

  6. Maximum elevation figure - Wikipedia

    en.wikipedia.org/wiki/Maximum_Elevation_Figure

    Maximum elevation figure (MEF) is a type of visual flight rule (VFR) information that indicates the elevation of the highest geographical feature within a GEOREF quadrangle area. It is of interest to pilots, who want to be aware of the highest mountain peaks and tall towers nearby, so that they can fly above them to avoid controlled flight into ...

  7. VFR over-the-top - Wikipedia

    en.wikipedia.org/wiki/VFR_Over-The-Top

    The Canadian rules specify that an aircraft may be operated in VFR OTT flight during the cruise portion of the flight during the day, at a vertical distance from clouds of at least 1000 feet. When the aircraft is operated between two cloud layers, the vertical distance between the layers must be at least 5000 feet.

  8. VFR-on-top - Wikipedia

    en.wikipedia.org/wiki/VFR-on-Top

    VFR-on-top permits pilot operation above, below, between cloud layers, or in areas where visual meteorological conditions can be met. This allows pilots to climb through visual obscurations such as cloud, haze, and smoke, select a preferred altitude or flight level , or cancel their IFR flight plan .

  9. Wikipedia:Discussions for discussion - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Discussions_for...

    This forum is for discussion closers to discuss their evaluation of consensus in preparation for closing specific discussions, such as pending XfD, RM, or RfC closes. Any editor who intends to close a discussion, and has concerns about how consensus in that discussion should be assessed is welcome to initiate a discussion here.