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  2. Military training route - Wikipedia

    en.wikipedia.org/wiki/Military_training_route

    A VR route may be flown visually, and an IR route may be flown completely heads down (although this is rarely the case). Although ATC provides deconfliction for IR Routes, VR routes are flown completely independent of external separation. Since VFR traffic does not legally have to be squawking, this provides for a serious hazard to navigation.

  3. V speeds - Wikipedia

    en.wikipedia.org/wiki/V_speeds

    In general aviation aircraft, the most commonly used and most safety-critical airspeeds are displayed as color-coded arcs and lines located on the face of an aircraft's airspeed indicator. The lower ends of the white arc and the green arc are the stalling speed with wing flaps in landing configuration, and stalling speed with wing flaps ...

  4. U.S. Navy and U.S. Marine Corps Aircraft Squadron Designations

    en.wikipedia.org/wiki/U.S._Navy_and_U.S._Marine...

    VR Fleet Logistics Support Squadron The mission of VR squadrons is to transport cargo and personnel. At present, this designation is assigned to units that fly landplanes, while the squadrons that fly COD (Carrier Onboard Delivery) aircraft are designated VRC. VRC Fleet Logistics Support Squadron

  5. Vortex ring state - Wikipedia

    en.wikipedia.org/wiki/Vortex_ring_state

    The signs of VRS are a vibration in the main rotor system [8] followed by an increasing sink rate and possibly a decrease of cyclic authority. [9]In single rotor helicopters, the vortex ring state is traditionally corrected by slightly lowering the collective to regain cyclic authority and using the cyclic control to apply lateral motion, often pitching the nose down to establish forward flight.

  6. Multiservice tactical brevity code - Wikipedia

    en.wikipedia.org/wiki/Multiservice_tactical...

    Using the codes eases coordination and improves understanding during multiservice operations. The codes are intended for use by air, ground, sea, and space operations personnel at the tactical level. Code words that are followed by an asterisk (*) may differ in meaning from NATO usage. There is a key provided below to describe what personnel ...

  7. Head-mounted display - Wikipedia

    en.wikipedia.org/wiki/Head-mounted_display

    A head-mounted display (HMD) is a display device, worn on the head or as part of a helmet (see helmet-mounted display for aviation applications), that has a small display optic in front of one (monocular HMD) or each eye (binocular HMD). HMDs have many uses including gaming, aviation, engineering, and medicine. [1]

  8. Runway visual range - Wikipedia

    en.wikipedia.org/wiki/Runway_visual_range

    A pilot's view of Lisbon Airport's runway 21 in fog; runway visual range is about 200 m (660 ft). In aviation, the runway visual range (RVR) is the distance over which a pilot of an aircraft on the centreline of the runway can see the runway surface markings delineating the runway or the lights delineating the runway or identifying its centre line.

  9. Glossary of aerospace engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_aerospace...

    Total air temperature – In aviation, stagnation temperature is known as total air temperature and is measured by a temperature probe mounted on the surface of the aircraft. The probe is designed to bring the air to rest relative to the aircraft.