approach an obstacle

approach an obstacle
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Универсальный англо-русский словарь. . 2011.

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  • Obstacle — to traffic caused by a collapse in highway 140, in Ferguson, state of California (USA), on 21 April 2008 02:36:01 PM PDT An obstacle (also called a barrier or a stumbling block) is an object, thing, action or situation that causes an obstruction …   Wikipedia

  • obstacle-clearance altitude (OCA)/obstacle-clearance height — The lowest altitude or height above the elevation of the relevant runway threshold or the airport elevation as applicable, used in compliance with appropriate obstacle clearance criteria. Obstacle clearance altitude is referenced to mean sea… …   Aviation dictionary

  • obstacle-free zone — The obstacle free zone is a three dimensional volume of airspace set up to protect aircraft transitioning to and from the runway. The OFZ clearing standard precludes taxiing and parked airplanes and object penetrations, except for frangible… …   Aviation dictionary

  • obstacle-limitation surfaces — The outer horizontal, conical, inner horizontal, approach, inner approach, transitional, inner transitional, balked landing, and takeoff climb surfaces make up the obstacle limitation surfaces. The outer horizontal surface is a plane located 500… …   Aviation dictionary

  • Obstacle Free Zone — The Obstacle Free Zone (OFZ) is a three dimensional 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 …   Wikipedia

  • obstacle-clearance box — A rectangle on an aeronautical chart that contains the number indicating the obstacle clearance required (in feet) on the approach segment where the box appears …   Aviation dictionary

  • obstacle-clearance limit — The height above the airport elevation below which the minimum prescribed vertical clearance cannot be maintained either on approach or in the event of a missed approach …   Aviation dictionary

  • inner-approach obstacle-free zone — The inner approach OFZ (obstacle free zone) is a defined volume of airspace centered on the approach area. The inner approach OFZ applies only to runways with an approach lighting system. The inner approach OFZ begins 200 ft from the runway… …   Aviation dictionary

  • intermediate approach segment — That segment of an instrument approach procedure between either the intermediate approach fix and the final approach fix or point, or between the end of a reversal, race track, or dead reckoning track procedure and the final approach fix or point …   Aviation dictionary

  • Dynamic window approach — (kurz DWA, engl.: „Dynamik Fenster Methode“) ist eine Strategie zur Kollisionsvermeidung bei Robotern, die 1997 von Dieter Fox, Wolfram Burgard und Sebastian Thrun veröffentlicht wurde.[1] Die Strategie nimmt dabei anders als generelle Verfahren… …   Deutsch Wikipedia

  • Instrument approach — Terminal procedures for an ILS approach in the United States. (The disclaimers shown in red in the illustration do not appear on the original approach plate.) For aircraft operating under instrument flight rules (IFR), an instrument approach or… …   Wikipedia


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