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  2. 500-series format - Wikipedia

    en.wikipedia.org/wiki/500-series_format

    The console's modular design, invented by Walker, became the 500-series format, and Walker and Lindauer co-founded Automated Processes, Inc. (API) in 1969. [1] API's 500-series modules include the 512C preamplifier, the 525 compressor, the 527 compressor, the 550A and 550B semi-parametric equalizers, and the 560 graphic equalizer. [2]

  3. Aero Commander 500 family - Wikipedia

    en.wikipedia.org/wiki/Aero_Commander_500_family

    The Aero Commander 500 family is a series of light-twin piston-engined and turboprop aircraft originally built by the Aero Design and Engineering Company in the late 1940s, renamed the Aero Commander company in 1950, and later a division of Rockwell International in 1965. Final production occurred under the Gulfstream Aerospace name.

  4. MD Helicopters MD 500 - Wikipedia

    en.wikipedia.org/wiki/MD_Helicopters_MD_500

    The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach. The series currently includes the MD 500E, MD 520N, and MD 530F. The MD 500 was initially produced by Hughes Helicopters as the Hughes ...

  5. List of the United States military vehicles by model number

    en.wikipedia.org/wiki/List_of_the_United_States...

    Standard Military Vehicle Data Sheets. Ordnance Tank Automotive Cmd. 1959. Archived from the original on 10 December 2014; TM 9-500 Data Sheets for Ordnance Type Material (PDF). US Dept. of the Army. 1962; TM 9-2800 Standard Military Motor Vehicles. US Dept. of the Army. 1943

  6. VRT 500 - Wikipedia

    en.wikipedia.org/wiki/VRT_500

    The 1.65 t (3,600 lb) helicopter has a metallic airframe with composite skins and is powered by a single Pratt & Whitney PW207V, like the Ansat light twin. The coaxial rotor, a Kamov Design Bureau speciality, allow a compact fuselage, simpler ground operations and reduced noise for urban transport.

  7. FS Class ETR 500 - Wikipedia

    en.wikipedia.org/wiki/FS_Class_ETR_500

    ETR 500 (Elettro Treno Rapido 500) is a family of Italian high-speed trains built by AnsaldoBreda and introduced in 1993. Designed under the aegis of the Ferrovie dello Stato (FS), it is now operated by Trenitalia on RFI tracks. From 2018 to 2023, Mercitalia converted and used some ETR 500 trains for Mercitalia Fast high-speed freight train ...

  8. AERMOD - Wikipedia

    en.wikipedia.org/wiki/AERMOD

    The AERMOD atmospheric dispersion modeling system is an integrated system that includes three modules: [1] [2] [3]. Graphic display of Aermod output. A steady-state dispersion model designed for short-range (up to 50 kilometers) dispersion of direct air pollutant emissions primarily from stationary industrial sources.

  9. Eclipse 500 - Wikipedia

    en.wikipedia.org/wiki/Eclipse_500

    Full type certification was eventually achieved on 30 September 2006. At that point, in addition to the five flying prototypes, 23 aircraft were in production and two had already been completed. The 500 type certificate allows the aircraft to be flown under IFR with a single pilot. [5] Eclipse received its FAA production certificate on 26 April ...