navigational aid


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navigational aid

[‚nav·ə′gā·shən·əl ′ād]
(navigation)
An instrument, device, chart, method, or such, intended to assist in the navigation of a craft; this expression should not be confused with “aid to navigation,” which refers only to devices external to a craft.

navigational aid (NAVAID/Navaid)

navigational aid (NAVAID/Navaid)click for a larger image
Any visual or electronic device, airborne or located on a surface, that allows the pilot to fix his position and other-wise guides him or her in navigating the aircraft in flight, while landing or in taking off. A NAVAID may be pilot interpreted or ground interpreted. On charts, NAVAID information boxes contain the NAVAID name, identifier, frequency, and Morse code. They are depicted on the charts as indicated in the illustration.
References in periodicals archive ?
Salalah: The ground tests of navigational aid devices of aircraft automatic landing systems on the runway of the new airport project in Salalah ended successfully on Sunday.
Salalah, Feb 23 (ONA) The ground tests of navigational aid devices of aircraft automatic landing systems on the runway of the new airport project in Salalah ended successfully today.
As most private aircraft have limited on- board meteorological and other avionic navigational aid and operate in visual flight rule, they are more likely accidentprone compared to bigger aircraft during bad weather," Jenamani pointed out.
Controllers will also be using the Integrated Control and Monitoring System (ICMS) which consolidates information including navigational aid displays into one screen.
Which navigational aid consists of a disc rotating around an axis parallel to the earth's rotation?
Specific topics include: a pseudo real-time system for visualization of 3D scenes, modeling and visualization of moving objects on a digital map, a comparison of efficient decimation algorithms for polygonal models, and an indoor navigational aid system for the visually impaired.
announced Monday that its Navigations Systems Division will supply navigational aid to the Herschel Space Observatory.
In a sample of N = 82 students working on a hierarchically structured hypertext about the psychology of memory, how domain-specific prior knowledge and the self-concept of computer-related ability affect perceived disorientation and learning outcomes as a function of access to a navigational aid was tested.
With the heavens serving as both timekeeper and navigational aid, such knowledge was of much more than scholarly interest.
Think of mission as a navigational aid that brings focus to the direction we want to go.
The primary navigational aid they used there was getting to be 20-some years old, so Alyeska decided to replace it.
A TO add to N Vasey's answer (Dear Mirror, April 11), the first person recorded to have used a compass as a navigational aid was Zheng He (1371-1435).

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