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  2. Airspace class (United States) - Wikipedia

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

    Class C airspace is denoted by a heavy magenta border. Each distinct segment of class C airspace contains figures indicating the upper and lower altitude limits of that segment in units of one hundred feet, shown as a fraction, e.g., 100 over 40 indicates a ceiling of 10,000 feet (3,000 m) MSL and a floor of 4,000 feet (1,200 m) MSL.

  3. UAS groups of the United States military - Wikipedia

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

    From about 2004 to 2011, [4] [5] U.S. military planners used various "Tier systems" to designate the various elements in an overall plan for integrated operations. [6] The Tiers do not refer to specific models of aircraft, but rather roles the aircraft would fill.

  4. 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.

  5. 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.

  6. 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.

  7. 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]

  8. List of transponder codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Transponder_Codes

    US: External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.) [3] 1200 Australia: Civil VFR flights in class E or G airspace. [6] Canada, US: Visual flight rules (VFR) flight standard squawk code used in North American airspace when no other has been assigned or is ...

  9. List of currently active United States military land vehicles

    en.wikipedia.org/wiki/List_of_currently_active...

    Stryker. Stryker 4,466 . M1126 infantry carrier vehicle (ICV) M1126 Stryker (IAV) has two variants, he infantry carrier vehicle (ICV) and the mobile gun system (MGS).; The (ICV) variant has eight additional configurations: mortar carrier (MC), reconnaissance vehicle (RV), commanders vehicle (CV), fire support vehicle (FSV), medical evacuation vehicle (MEV), engineer squad vehicle (ESV), anti ...