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2. Navigation light - Wikipedia

   en.wikipedia.org/wiki/Navigation_light

   Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...

3. Vega Industries - Wikipedia

   en.wikipedia.org/wiki/Vega_Industries

   Vega Industries Limited is a company in Porirua, New Zealand, which manufactures specialised navigation and signal lights for use in transportation industries, primarily marine navigation. Vega has been in business since 1972 when it built a marine guidance system based on a design by Norman Rumsey. [1]

4. 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 .

5. Leigh Light - Wikipedia

   en.wikipedia.org/wiki/Leigh_Light

   Photograph of a destroyed U-boat illuminated in Leigh Lights. Two types of Leigh Light entered operational use: [6] The Turret type, fitted on Wellington aircraft, was a 24-inch (610 mm) searchlight mounted in a retractable under-turret controlled by hydraulic motor and ram.

6. Light float - Wikipedia

   en.wikipedia.org/wiki/Light_float

   Roaring Middle light float, off King's Lynn at position 52° 58´·64N., 0° 21´·08E.. A light float is a type of lighted navigational aid forming an intermediate class between lightvessels and large lighted buoys; they are generally smaller than lightvessels and carry less powerful lights. [1]

7. Yehudi lights - Wikipedia

   en.wikipedia.org/wiki/Yehudi_lights

   British researchers had found that the amount of electrical power required to camouflage an aircraft's underside in daylight was prohibitive; and that externally mounted light projectors (following the Canadian approach) unacceptably disturbed the aircraft's aerodynamics. [3] Yehudi lights were tested in B-24 Liberators from 1943.