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  2. Airspace class (United States) - Wikipedia

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

    Most airspace in the United States is class E. The airspace above FL600 is also class E. [10] No ATC clearance or radio communication is required for VFR flight in class E airspace. VFR visibility and cloud clearance requirements are the same as for class C and D airspaces when below 10,000 feet (3,000 m) MSL.

  3. UAS groups of the United States military - Wikipedia

    en.wikipedia.org/wiki/UAS_groups_of_the_United...

    UAS were grouped in four classes under the Future Combat Systems, which was the Army's principal modernization program from 2003 to early 2009: Class I: For small units. Role to be filled by all new UAV with some similarity to Micro Air Vehicle. Class II: For companies (cancelled). [15] Class III: For battalions (cancelled). [15] Class IV: For ...

  4. NATO STANAG 4671 - Wikipedia

    en.wikipedia.org/wiki/NATO_STANAG_4671

    Page 1 of edition 1 states: [1]: 5 If a National Certifying Authority states that a UAV System airworthiness is compliant with STANAG 4671 (and any appropriate national reservations), then, from an airworthiness perspective, that UAV System should have streamlined approval to fly in the airspace of other NATO countries, if those countries have ...

  5. 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.

  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. United States Department of Defense aerospace vehicle ...

    en.wikipedia.org/wiki/United_States_Department...

    Typical Vehicle Designation Stencil for a USAF aircraft. This one is on the port side of a T-33A under the canopy frame. Joint Regulation 4120.15E: Designating and Naming Military Aerospace Vehicles is the current system for designating all aircraft, helicopters, rockets, missiles, spacecraft, and other aerial vehicles in military use by the United States Armed Forces.

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

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

    Class B airspace areas are designed to improve aviation safety by reducing the risk of midair collisions in the airspace surrounding airports with high-density air traffic operations. [1] Aircraft operating in these airspace areas are subject to certain operating rules and equipment requirements. [1] Class B airspace protects the approach and ...

  9. Airspace class - Wikipedia

    en.wikipedia.org/wiki/Airspace_class

    All operations in US Class A airspace must be conducted under IFR. SVFR flight in Class A airspace is prohibited. Class B airspace is used to control the flow of traffic around major airports. The airspace is charted on a VFR sectional chart with a series of blue lines. Within these blue lines, the floor and the ceiling of the Class B airspace ...