landing threshold
The beginning of that portion of a runway usable for landing.

Military dictionary. 2000.

Look at other dictionaries:

  • landing threshold — The beginning of that portion of a runway usable for landing. It is indicated by a series of long white lines …   Aviation dictionary

  • landing distance available — i. (LDA) As it pertains to fixed wing aircraft, it is the distance from the point on the surface of the airport above which the airplane can be deemed to commence its landing to the nearest point in the direction of landing at which the surface… …   Aviation dictionary

  • threshold lighting — or threshold lights noun A line of lights across the ends of a runway or landing area to indicate the usable limits • • • Main Entry: ↑threshold …   Useful english dictionary

  • threshold lights — threshold lighting or threshold lights noun A line of lights across the ends of a runway or landing area to indicate the usable limits • • • Main Entry: ↑threshold …   Useful english dictionary

  • threshold — /ˈθrɛʃhoʊld / (say threshhohld) noun 1. the sill of a doorway. 2. the entrance to a house or building. 3. any place or point of entering or beginning. 4. Aeronautics the beginning of the landing area on a runway or landing strip. 5. Psychology,… …   Australian English dictionary

  • landing distance — The distance from the runway threshold to the point at which an aircraft comes to a halt. In some definitions, it is the distance covered in a landing roll …   Aviation dictionary

  • threshold — The beginning of that portion of the runway usable for landing …   Military dictionary

  • threshold — The beginning of that portion of the runway usable for landing (ICAO). On instrument runways, it is indicated by long stripes followed by the runway designation marking. The number of stripes is dependent on the width of the runway …   Aviation dictionary

  • available landing distance — The portion of the runway available for landing and rollout for aircraft cleared for LAHSO (landing and hold short operation). This distance is measured from the landing threshold to the hold short point …   Aviation dictionary

  • Instrument landing system — The Instrument Landing System (ILS) is a ground based instrument approach system that provides precision guidance to an aircraft approaching a runway, using a combination of radio signals and, in many cases, high intensity lighting arrays to… …   Wikipedia

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