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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...

    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 brigades. Role to be filled by the RQ-8A/B / MQ-8B Fire Scout.

  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...

    [1] Class C airspace protects the approach and departure paths from aircraft not under air traffic control. All aircraft inside Class C airspace are subject to air traffic control. Traffic operating under VFR must be in communication with a controller before entering the airspace. The airspace is similar to Class B's "upside-down wedding cake ...

  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. 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 ...

  9. Federal Aviation Regulations - Wikipedia

    en.wikipedia.org/wiki/Federal_Aviation_Regulations

    The new passenger classifications are: Level 1, seating for 0 to 1 passenger; Level 2, 2 to 6; Level 3, 7 to 9; Level 4, 10 to 19. Speed classifications are: low speed, Vc or Vmo equal to or less than 250 knots CAS and equal to or less than Mmo 0.6 Mach; high speed, Vc or Vmo greater than 250 knots CAS and Mmo greater than 0.6 Mach. [7]