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  2. 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.

  3. USAAF unit identification aircraft markings - Wikipedia

    en.wikipedia.org/wiki/USAAF_unit_identification...

    The 73rd Wing dropped all use of symbols and marked its aircraft with the group letter only, painted in 126-inch-high (3,200 mm) black lettering. Except for the 314th Wing, which maintained its markings throughout the war, the remaining wings of the XXI Bomber Command used 126-inch-diameter (3,200 mm) symbols in black to outline 63-inch-high ...

  4. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    Air cycle machine: Part of A/C air conditioning system ACMS Aircraft condition monitoring system ACP Audio Control Panel ACR Avionic Communication Router ACS 1: Airman Certification Standards [4] FAA pilot testing ACS 2: Audio control system ACU 1: Air condition unit ACU 2: Alternator control unit [2] Protection from alternator over-voltage. AD

  5. Helicopter hieroglyphs - Wikipedia

    en.wikipedia.org/wiki/Helicopter_hieroglyphs

    The "helicopter", and the real hieroglyphs of Seti I and Ramesses II. The helicopter hieroglyphs is a name given to part of an Egyptian hieroglyph carving from the Temple of Seti I at Abydos. It is a palimpsest relief with two overlapping inscriptions, the titles of Ramesses II superimposed on those of his predecessor Seti I.

  6. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    A letter v (Latin small letter v) written on a line representing a surface is a way to indicate that the surface is to be machined rather than left in the as-cast or as-forged state. The older symbol for this was a small script (italic) f (see herein f). Later the ASA convened upon a letter V (specifically a sans-serif V) touching the surface ...

  7. Sikorsky MH-60 Jayhawk - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_MH-60_Jayhawk

    The helicopter is normally based on land but can be based on 270 foot medium endurance Coast Guard Cutters (WMEC) or 418 foot Legend-Class National Security Cutters (WMSL). The MH-60T is equipped with a 7.62 mm M240H medium machine gun and a .50 in Barrett M82 semi-automatic rifle for firing warning and disabling shots. [12]

  8. Changhe Z-18 - Wikipedia

    en.wikipedia.org/wiki/Changhe_Z-18

    The Z-18 is a development of the Avicopter AC313 and Changhe/Harbin Z-8, both of which are developments of the Aérospatiale SA 321 Super Frelon. [2] [1]Notable changes include a redesigned lower fuselage similar to the AC313 which results in larger internal space. [3]

  9. List of U.S. DoD aircraft designations - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._DoD_aircraft...

    This is a table of 1962 United States Tri-Service aircraft designation system with selected letter sequences and number. Two previous USAF/AAF/AAC number series are included due to their impact and partial incorporation into the tri-service system (A, B, C, F and O reset to one, but # carryover existed).