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  2. Navigational aid - Wikipedia

    en.wikipedia.org/wiki/Navigational_aid

    A navigational aid (NAVAID), also known as aid to navigation (ATON), is any sort of signal, markers or guidance equipment which aids the traveler in navigation, usually nautical or aviation travel. Common types of such aids include lighthouses , buoys , fog signals , and day beacons .

  3. Navigational instrument - Wikipedia

    en.wikipedia.org/wiki/Navigational_instrument

    In this case, Electronic Travel Aid are developed to target the needs of visual impaired individuals for obstacle identification as well as navigation of the surrounding to enhance mobility. [1] Not only GPS systems, there are other approaches like infrared sensors, ultrasonic sensors as well as optical technologies like cameras that are ...

  4. Radio beacon - Wikipedia

    en.wikipedia.org/wiki/Radio_beacon

    The most basic radio-navigational aid used in aviation is the non-directional beacon or NDB. It is a simple low- and medium-frequency transmitter used to locate airway intersections and airports and to conduct instrument approaches, with the use of a radio direction finder located on the aircraft. The aviation NDBs, especially the ones marking ...

  5. Non-directional beacon - Wikipedia

    en.wikipedia.org/wiki/Non-directional_beacon

    NDB are in contrast to directional radio beacons and other navigational aids, such as low-frequency radio range, VHF omnidirectional range (VOR) and tactical air navigation system (TACAN). NDB signals follow the curvature of the Earth , so they can be received at much greater distances at lower altitudes, a major advantage over VOR.

  6. Inertial navigation system - Wikipedia

    en.wikipedia.org/wiki/Inertial_navigation_system

    An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers), rotation sensors and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the ...

  7. Aids to Navigation Boat - Wikipedia

    en.wikipedia.org/wiki/Aids_to_Navigation_Boat

    16-ft Aids to Navigation Boat – Skiff (AB-SKF): LOA 16 ft, beam 6 ft 10 in, draft 6 in, fuel 12 US gal, weight 800 lb, 60 hp. The AB-SKF is deployed from Coast Guard cutters (ships) or Aids to Navigation Teams in support of mission activities primarily in support of aid to navigation servicing, construction, repair and discrepancy response.

  8. Navigation system - Wikipedia

    en.wikipedia.org/wiki/Navigation_system

    A navigation system is a computing system that aids in navigation. Navigation systems may be entirely on board the vehicle or vessel that the system is controlling (for example, on the ship's bridge) or located elsewhere, making use of radio or other signal transmission to control the vehicle or vessel. In some cases, a combination of these ...

  9. Radio Navigational Aids - Wikipedia

    en.wikipedia.org/wiki/Radio_Navigational_Aids

    The Radio Navigational Aids (Publication 117) publication contains a detailed list of selected worldwide radio stations that provide services to the mariner. [1] The publication is divided into chapters according to the nature of the service provided by the radio stations. [ 1 ]

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