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  2. Aeronautical Code signals - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_Code_signals

    The pressure set on the subscale of the altimeter so that the instrument indicates its height above the reference elevation being used [e.g. aerodrome elevation] [1] Runway in use 22 Left, QFE 990 hectopascals QFF: Atmospheric pressure at a place, reduced to MSL using the actual temperature at the time of observation as the mean temperature. QNE

  3. Aeronautical chart conventions (United States) - Wikipedia

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

    Terrain is color-coded for its elevation and major roads, cities, and bodies of water are shown for visual reference, as well as other identifiable structures (e.g., stadiums and water towers). However, most of the layers of data on the charts include specific information about obstacles, airspace designations, and facility information ...

  4. Glossary of aerospace engineering - Wikipedia

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

    Flight management system – A flight management system (FMS) is a fundamental component of a modern airliner's avionics. An FMS is a specialized computer system that automates a wide variety of in-flight tasks, reducing the workload on the flight crew to the point that modern civilian aircraft no longer carry flight engineers or navigators. A ...

  5. Height above ground level - Wikipedia

    en.wikipedia.org/wiki/Height_above_ground_level

    In aviation, atmospheric sciences and broadcasting, a height above ground level (AGL [1] or HAGL) is a height measured with respect to the underlying ground surface.This is as opposed to height above mean sea level (AMSL or HAMSL), height above ellipsoid (HAE, as reported by a GPS receiver), or height above average terrain (AAT or HAAT, in broadcast engineering).

  6. Runway - Wikipedia

    en.wikipedia.org/wiki/Runway

    Runway 13R at Palm Springs International Airport An MD-11 at one end of a runway. In aviation, a runway is an elongated, rectangular surface designed for the landing and takeoff of an aircraft. [1] Runways may be a human-made surface (often asphalt, concrete, or a mixture of both) or a natural surface (grass, dirt, gravel, ice, sand or salt).

  7. Obstacle-free zone - Wikipedia

    en.wikipedia.org/wiki/Obstacle-free_zone

    The obstacle-free zone (OFZ) is a 3D volume of airspace below 150 feet (46 m), above the established airport elevation which protects for the transition of aircraft to and from the runway. The Obstacle Free Zone (OFZ) clearing standard precludes taxiing and parked airplanes and object penetrations, except for frangible navigation aid ( NAVAID ...

  8. DAFIF - Wikipedia

    en.wikipedia.org/wiki/DAFIF

    DAFIF diagram of Ottawa International Airport. The Digital Aeronautical Flight Information File or DAFIF (/ ˈ d eɪ f ɪ f /) is a comprehensive database of up-to-date aeronautical data, including information on airports, airways, airspaces, navigation data, and other facts relevant to flying in the entire world, managed by the National Geospatial-Intelligence Agency (NGA) of the United States.

  9. Kaunas Airport - Wikipedia

    en.wikipedia.org/wiki/Kaunas_Airport

    The runway of Kaunas Airport is 3,250 m (10,663 ft) long and 45 m (148 ft) wide, and is categorized with a 4E ICAO reference code. This enables to handle aircraft with up to 45 m (148 ft) wing span [ citation needed ] and 14 m (46 ft) main gear wheel span, which includes planes the size of a Boeing 747 or Antonov An-124 .