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  2. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.

  3. U.S. Navy and U.S. Marine Corps aircraft tail codes - Wikipedia

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

    Carrier Air Wing 15 tail code "NL" is prominently displayed on this A-7E Corsair II. Tail codes on the U.S. Navy aircraft are the markings that help to identify the aircraft's unit and/or base assignment. These codes comprise one or two letters or digits painted on both sides of the vertical stabilizer, on the top right and on the bottom left ...

  4. Equipment codes - Wikipedia

    en.wikipedia.org/wiki/Equipment_codes

    These alphabetic codes are used on FAA and ICAO flight plan forms to aid flight service station (FSS) personnel in their handling of aircraft. On the FAA domestic flight plan form (FAA Form 7233-1) the equipment code is a single character placed in block 3 (Aircraft Type / Special Equipment) as a suffix to the aircraft type code. A single ...

  5. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    However, these size codes aren't standardized. Each tire manufacturer may assign these codes as they see fit, provided they maintain a consistent and explainable system within their coding. After the size code, the next sequence in a DOT number consists of three or four digits that designate the tire type.

  6. Aeronautical chart conventions (United States) - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_chart...

    The charts are published "in accordance with Interagency Air Cartographic Committee specifications and agreements, approved by the Department of Defense and the Federal Aviation Administration". The legend of an aeronautical chart lists many of the symbols, colors and codes used to convey information to the map reader.

  7. Gillham code - Wikipedia

    en.wikipedia.org/wiki/Gillham_Code

    Gillham code is a zero-padded 12-bit binary code using a parallel nine-[1] to eleven-wire interface, [2] the Gillham interface, that is used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder.

  8. Key code - Wikipedia

    en.wikipedia.org/wiki/Key_code

    These are codes that require a chart or computer program to translate the blind code to a bitting code, which is used to create the actual key. Most key codes are blind codes, and publication of code books or software is restricted to licensed locksmiths in most jurisdictions for security reasons.

  9. V speeds - Wikipedia

    en.wikipedia.org/wiki/V_speeds

    The most common V-speeds are often defined by a particular government's aviation regulations.In the United States, these are defined in title 14 of the United States Code of Federal Regulations, known as the Federal Aviation Regulations (FARs). [7]