navigation lights

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navigation lights

[‚nav·ə′gā·shən ‚līts]
(navigation)
Statutory lights shown by aircraft and vessels during the hours between sunset and sunrise, in accordance with international agreements.

navigation lights

Colored lights on an aircraft used at night to show the direction the aircraft is moving. A red light is installed on the port (left) wing tip, a green light on the star-board (right) wing tip, and a white light on the tail of the aircraft. The red and green lights are visible from an angle of 110° as viewed from the front, while the white light located at the tail is visible 70° each side of the rear centerline. See aircraft external lights.
References in periodicals archive ?
The international regulations for preventing collisions at sea are very specific when navigation lights should be shown.
Northrop Grumman Corporation (NYSE: NOC) has signed a full production contract for the Navigation Lights Shapes and Sounds (NLSS) signaling system for the Royal Navy's next-generation Queen Elizabeth Class Aircraft Carriers.
Incorporating an efficient optical design and a peak intensity of 44 candela (as defined by the International Association of Marine Aids to Navigation and Lighthouse Authorities [IALA]), the M650 marine lantern includes more than 256 flash patterns, and can be ordered in all IALA (December 2008) marine aid to navigation light colours -- green, red, blue, yellow and white -- as indicated on each unit by a coloured band on the housing.
Northrop Grumman Sperry Marine has already completed the initial design phase of the contract, including change requests, and is currently designing a Navigation Light System under an option in the production contract.
Recently the original navigation light was removed from the building, possibly by someone who thought it may otherwise be destroyed.
Troika Transatlantic is never dark, owing to the navigation light high on the bow.
The project will seek to replace the corroded lantern housing, provide a new access ladder and platform for the navigation light and install a new pounds 12,000 lamp at the top of the lighthouse.
Scotland received a vivid demonstration of this ruggedness last December when a Carmanah marine navigation light washed ashore on the island of Papa Stour, Shetland Islands, after going adrift off Canada's East Coast over a year earlier.
They are said to have been watching a football match on television when the ferry rammed a rock with a navigation light on top.
The Red House is believed to have been Cardiff's only pub with a navigation light, guiding ships coming into Queen's Dock.
It was taken over by Welsh Brewers in 1976 and is believed to be Cardiff's only pub with a navigation light.
Locals said that the outcrop of rocks was 76ft high with a navigation light on the top.

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