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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. Emergency position-indicating radiobeacon - Wikipedia

   en.wikipedia.org/wiki/Emergency_position...

   An emergency position-indicating radiobeacon (EPIRB) is a type of emergency locator beacon for commercial and recreational boats, a portable, battery-powered radio transmitter used in emergencies to locate boaters in distress and in need of immediate rescue. In the event of an emergency, such as a ship sinking or medical emergency onboard, the ...

4. PEL sector light - Wikipedia

   en.wikipedia.org/wiki/PEL_sector_light

   A large PEL sector light installation at the Port of Durban Original Porirua Harbour PEL. The PEL sector light is a projector style marine beacon which is used to guide maritime vessels. It does this by projecting a colored sector out to sea with very sharp color changes as the mariner transitions from one sector to the next.

5. Tideland Signal - Wikipedia

   en.wikipedia.org/wiki/Tideland_Signal

   An ML-300 lantern in the Presque Isle Light. The Tideland ML-300 (ML for MaxLumina) is a multi-purpose marine lantern, with a focal length of 300 millimetres (12 in). It consists of a single piece injection molding acrylic 300mm Fresnel lens and a base assembly, where a flasher or lamp changer can be installed.

6. 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 .

7. 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 .