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radio-navigational instrument

См. также в других словарях:

  • Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …   Wikipedia

  • radio magnetic indicator — An aircraft navigational instrument that, coupled with a gyrocompass or any other compass system, indicates the direction of a selected NAVAID (navigation aid) and the bearing with respect to the heading of the aircraft …   Aviation dictionary

  • Instrument flight rules — (IFR) are a set of regulations and procedures for flying aircraft whereby navigation and obstacle clearance is maintained with reference to aircraft instruments only , while separation from other aircraft is provided by Air Traffic Control. In… …   Wikipedia

  • 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

  • radio-marker beacon — The beacons that serve to identify a particular location in space along an airway or approach to an instrument runway. This is done by means of a 75 MHz transmitter, which transmits a directional signal to be received by aircraft flying overhead …   Aviation dictionary

  • Navigational aid — A lighthouse is an easily recognized aid to navigation. A navigational aid (also known as aid to navigation, ATON, or navaid) is any sort of marker which aids the traveler in navigation; the term is most commonly used to refer to nautical or… …   Wikipedia

  • radio direction finder — a navigational aid establishing a fix by means of the bearings of two known radio stations. Abbr.: RDF [1920 25] * * * ▪ instrument also called  Radio Compass,         radio receiver and directional antenna system used to determine the direction… …   Universalium

  • instrument approach chart — An aeronautical chart that depicts the aeronautical data required to execute an instrument approach procedure to an airport. These charts depict the procedures, including all related data, and the airport diagram. Each procedure is designated for …   Aviation dictionary

  • Electronic Flight Instrument System — An electronic flight instrument system, or EFIS, is a flight deck instrument display system in which the display technology used is electronic rather than electromechanical. EFIS normally consist of a primary flight display (PFD), multi function… …   Wikipedia

  • Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …   Wikipedia

  • IFR (instrument flight rules) en route high-altitude charts — En route high altitude charts are designed for navigation at or above 18,000 ft MSL (mean sea level). This four color chart series includes the jet route structure; very high frequency navigational aids (VHF NAVAIDs) with frequency [only high and …   Aviation dictionary

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