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  2. Mitsubishi A6M Zero - Wikipedia

    en.wikipedia.org/wiki/Mitsubishi_A6M_Zero

    When the Lockheed P-38 Lightning, armed with four "light barrel" AN/M2 .50 cal. Browning machine guns and one 20 mm autocannon, and the Grumman F6F Hellcat and Vought F4U Corsair, each with six AN/M2 .50 calibre Browning guns, appeared in the Pacific theater, the A6M, with its low-powered engine and lighter armament, was hard-pressed to remain ...

  3. DTED - Wikipedia

    en.wikipedia.org/wiki/DTED

    The DTED format for level 0, 1 and 2 is described in U.S. Military Specification Digital Terrain Elevation Data (DTED) MIL-PRF-89020B, and amongst other parameters describes the resolution for each level: Level 0 has a post spacing of approximately 900 meters. Level 1 has a post spacing of approximately 90 meters.

  4. Protector RWS - Wikipedia

    en.wikipedia.org/wiki/Protector_RWS

    The USCGC Sea Devil (WPB-87368) with an M2 Browning.50 Caliber Machine Gun. Sea Protector is developed for naval applications. [12] In operation, maximum azimuth slew rate >100°/s, with maximum elevation slew Rate >50°/s. Range of Elevation −20° to +60° Protector Dual RWS. Protector Dual RWS mounts two weapons.

  5. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    Flight levels [3] are described by a number, which is the nominal altitude, or pressure altitude, in hundreds of feet, and a multiple of 500 ft.Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320".

  6. Nakajima A6M2-N - Wikipedia

    en.wikipedia.org/wiki/Nakajima_A6M2-N

    The A6M2-N floatplane was developed from the Mitsubishi A6M Type 0, mainly to support amphibious operations and defend remote bases.It was based on the A6M-2 Model 11 fuselage, with a modified tail and added floats.

  7. Height above mean sea level - Wikipedia

    en.wikipedia.org/wiki/Height_above_mean_sea_level

    Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.

  8. Portal:Aviation/Anniversaries/March - Wikipedia

    en.wikipedia.org/wiki/Portal:Aviation/...

    After serving in the lifting body program as chase pilot on various Northrop M2 and X-24A flights, Love made his first X-24B flight on 4 October 1973, and piloted the plane to its fastest speed—better than 1,860 kph—before terminating the program with a hard-surface runway landing at Edwards on 20 August 1975.

  9. Impact attenuator - Wikipedia

    en.wikipedia.org/wiki/Impact_attenuator

    A crash cushion installed on a motorway exit in Italy. An impact attenuator, also known as a crash cushion, crash attenuator, or cowboy cushion, is a device intended to reduce the damage to structures, vehicles, and motorists resulting from a motor vehicle collision. Impact attenuators are designed to absorb the colliding vehicle's kinetic energy.