aid to navigation

aid to navigation

[ād tə ‚nav·ə′gā·shən]
(navigation)
A device external to a craft, designed to assist in determination of position of the craft, or of a safe course, or to warn of dangers or obstructions.
References in periodicals archive ?
The lighthouse, an important aid to navigation (aton), suffered significant structural damage, as a result of heavy storms in early 2014, mainly to the equipment and engine room building and surrounding sea walls.
Those results prompted a discussion about declaring the lighthouse a "private" aid to navigation, which would allow ownership to be transferred to another entity, such as Douglas County, to maintain it.
AMNAS is a private Aid to Navigation (AtoN) service provider, which under the direction of its Chairman His Highness Sayyid Shihab bin Tariq Al Said, has the exclusive right and privilege of operating the service under a long-term concession agreement with the government of the Sultanate of Oman.
Which aid to navigation was invented by John Harrison in the 18th century?
In addition, they have a first-class Aircraft Direction Center (ADC) that can provide emergency low-visibility approaches and tactical aid to navigation system approaches, as well as fill the ADC role for the entire ARG.
The restored, original third order Fresnel Lens serves as a Federal Aid to Navigation.
Traditional terrestrial navigation aids, such as Non-Directional Beacons (NDBs) and VHF Omni-Directional Ranging (VORs) require pilots to follow routes created by flying from navigation aid to navigation aid until their destination is reached.
Round-the-world yachtsman Sir Robin Knox-Johnston said: "GPS is an aid to navigation, like radar.
CCGS Dumit, which is headquartered in Hay, gives Aid to Navigation services on the Mackenzie River.
But if the wound to this critical aid to navigation gets cut any deeper, it'll have mariners nervously eyeing the line of rocks, for their own safety.
Also, the flight did not brief for and subsequently did not use the air-to-air function of the tactical aid to navigation system, which mighta helped the fliers track their distance from each other.
The Block Island Southeast Lighthouse was designated a primary seacoast aid to navigation, which meant it was equipped with the most powerful lighting apparatus available, a $10,000 first-order Fresnel lens.

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