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  2. Uncontrolled airspace - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_airspace

    ATC does not exercise any executive authority in uncontrolled airspace, but may provide basic information services to aircraft in radio contact. [5] The aircraft commencing its flight in uncontrolled airspace, and subsequently proceeding into controlled airspace, should obtain clearance from the ATC unit in whose area the controlled part will begin. [9]

  3. National Airspace System - Wikipedia

    en.wikipedia.org/wiki/National_Airspace_System

    Class G airspace is uncontrolled airspace which extends from the surface to either 700 or 1,200 ft. AGL depending on the floor of the overlying Class E, or to the floor of Class A where there is no overlying Class E. In the vicinity of an uncontrolled airport, the CTAF for that airport is used for radio communication among pilots.

  4. I Have Serious Flight Anxiety, So Here Are 9 Things ... - AOL

    www.aol.com/serious-flight-anxiety-9-things...

    Lighter Side. Politics. ... So Here Are 9 Things Aviation Experts Told Me to Feel Better About Flying Right Now. ... both planes were flying over uncontrolled airspace and the pilots were ...

  5. Airspace class (United States) - Wikipedia

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

    Class D airspace is generally cylindrical in form and normally extends from the surface to 2,500 feet (760 m) above the ground. Airspace within the given radius, but in surrounding class C or class B airspace, is excluded. Class D airspace reverts to class E or G during hours when the tower is closed, or under other special conditions. [9]

  6. Aviation expert believes US airspace is ‘not the safest’ in ...

    www.aol.com/aviation-expert-explains-why-us...

    An aviation expert told The Independent that while US airspace is “certainly one of the most controlled,” it wouldn’t necessarily be “the safest.”. This comes after officials maintained ...

  7. Separation (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Separation_(aeronautics)

    Separation can also apply to terrain, obstacles, and controlled airspace, wherein an aircraft must stay at a minimum distance from a block of airspace; as an example, all aircraft must be approved by the controller who "owns" the airspace before the aircraft is approved to enter that sector. Separation at cruising altitude (aircraft passing below).

  8. Washington, DC, plane crash thrusts high-stakes role of air ...

    www.aol.com/news/washington-dc-plane-crash...

    The national air traffic system in the US is immense in both size and complexity, 14,000 air traffic controllers handle upwards of 45,000 flights a day across 29 million miles of airspace.

  9. Airspace - Wikipedia

    en.wikipedia.org/wiki/Airspace

    If the airspace is not Class A, B, C, or D, and is controlled airspace, then it is Class E airspace. Class E airspace extends upward from either the surface or a designated altitude to the overlying or adjacent controlled airspace. When designated as a surface area, the airspace is configured to contain all instrument procedures.