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  2. Airspace class (United States) - Wikipedia

    en.wikipedia.org/wiki/Airspace_class_(United_States)

    The United States airspace system's classification scheme is intended to maximize pilot flexibility within acceptable levels of risk appropriate to the type of operation and traffic density within that class of airspace – in particular to provide separation and active control in areas of dense or high-speed flight operations.

  3. National Airspace System - Wikipedia

    en.wikipedia.org/wiki/National_Airspace_System

    Pilots must also receive clearance to enter the Class B airspace but Visual Flight Rules may be used, unlike in Class A airspace. Class B airspace corresponds to the area formerly known as a Terminal Control Area or TCA. [6] Class C airspace reaches from the surface to 4,000 ft. AGL above the airport which it surrounds.

  4. Airspace class - Wikipedia

    en.wikipedia.org/wiki/Airspace_class

    The world's navigable airspace is divided into three-dimensional segments, each of which is assigned to a specific class. Most nations adhere to the classification specified by the International Civil Aviation Organization (ICAO) and described below, though they might use only some of the classes defined below, and significantly alter the exact rules and requirements.

  5. Mode C veil - Wikipedia

    en.wikipedia.org/wiki/Mode_C_veil

    This airspace extends horizontally to a circle of 30 NM radius centered on the airport, and extends vertically from the surface up to 10,000 feet MSL. [1] The name refers to the mode of transponder operation which is required within this airspace — that is, with very limited exceptions, all aircraft operating within this airspace must have an ...

  6. List of Class C airports in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Class_C_airports...

    Class C is a class of airspace in the United States which follows International Civil Aviation Organization (ICAO) air space designation. Class C airspace areas are designed to improve aviation safety by reducing the risk of mid-air collisions in the terminal area and enhance the management of air traffic operations therein. [1]

  7. Federal Aviation Regulations - Wikipedia

    en.wikipedia.org/wiki/Federal_Aviation_Regulations

    Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space.

  8. List of Class B airports in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Class_B_airports...

    The airspace around the busiest US airports is classified as ICAO Class B, and the primary airport (one or more) for which this airspace is designated is called Class B airport. As of January 2023, there are 37 Class B airports in the United States. [2] [3] Despite common misconception, Nellis Air Force Base and Dallas Love Field Airport are ...

  9. Special flight rules area - Wikipedia

    en.wikipedia.org/wiki/Special_Flight_Rules_Area

    Los Angeles International Airport is surrounded by extensive Class B airspace, which is difficult for VFR traffic to navigate. In particular, the airport has four large runways running east/west that have airspace protection from 10,000 feet (3050 metres) down to the surface that is 25 statute miles wide (40 kilometres).