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 ?
Coast Guard maintains the lighthouse optics system as an aid to navigation. The new beacon is a light-emitting diode (LED) beacon that flashes every five seconds, but does not rotate.
The senator agreed with the COA that the dismal state of government aid to navigation in the country was alarming, noting that regardless of advancements in technology, mariners still rely on these light stations as visual confirmations of their electronic readings.
Three more lighthouses are being constructed in Palawan to provide much-needed aid to navigation of boats and vessels that would ensure its safe sea travel, a Philippine Coast Guard (PCG) official said on Tuesday.
Fifty-seven percent of the mariners who responded said turning off the light would significantly impact safe navigation; 20 percent said they use the light as a primary aid to navigation; and 79 percent said they used it as a backup to their electronic systems.
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?
After the war, the US Coast Guard established a LORAN (Long-Range Aid to Navigation) radio beacon station on the island and remained there until the facility was turned over to the Japanese Coast Guard in 1993.
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.
If availability of an individual Aid falls below this level then consideration must be given to withdrawing the Aid to Navigation from service.CMAL achieves high levels of availability, which match or exceed internationally recognised standards ensuring the level of service required by mariners in our hostile marine environment.Additionally, CMAL has established 12 x 10t public moorings at Loch Eatharna, Isle of Coll (Appendix 1) and a ferry mooring at Tobermory, Isle of Mull
Coast Guard, which owns the lighthouse now, turned off the light in 2006, deciding it no longer was a "necessary aid to navigation" for fishermen and other mariners.
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.
CCGS Dumit, which is headquartered in Hay, gives Aid to Navigation services on the Mackenzie River.

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