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A sea mark, also seamark and navigation mark, is a form of aid to navigation and pilotage that identifies the approximate position of a maritime channel, hazard, or administrative area to allow boats, ships, and seaplanes to navigate safely.
A light characteristic is a graphic and text description of a navigational light sequence or colour displayed on a nautical chart or in a Light List with the chart symbol for a lighthouse, lightvessel, buoy or sea mark with a light on it. The graphic indicates how the real light may be identified when looking at its actual light output type or sequence. Different lights use different colours, frequencies and light patterns, so mariners can identify which light they are seeing.
Radar beacon is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the triggering radar, providing range, bearing and identification information." Each station shall be classified by the service in which it operates permanently or temporarily.
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.
Chile has a large and intricate coastline of 4000 km with myriads of islands, islets, straits, bays, and fjords.
Sailing Directions are written directions that describe the routes to be taken by boats and ships during coastal navigation and port approaches. There are also products known as Sailing Directions, which are books written by various Hydrographic Offices throughout the world. They are known as Pilot Books, because they provide local knowledge of routes and landmarks, which would typically be provided by a local marine pilot. As such, they are used frequently by naval and government vessels, who are exempted from 'Compulsory Pilotage' in many ports.
A notice to mariners advises mariners of important matters affecting navigational safety, including new hydrographic information, changes in channels and aids to navigation, and other important data.
Nautical publications is a technical term used in maritime circles describing a set of publications, either published by national governments or by commercial and professional organisations, for use in safe navigation of ships, boats, and similar vessels. Other publications might cover topics such as seamanship and cargo operations. In the UK, the United Kingdom Hydrographic Office, the Witherby Publishing Group and the Nautical Institute provide numerous navigational publications, including charts, publications on how to navigate and passage planning publications. In the US, publications are issued by the US government and US Coast Guard.
Creal Reef Light is an active lighthouse located at Creal Reef, a planar reef about 150 kilometres (93 mi) east of Mackay, Queensland, Australia. It guides ships outgoing from Mackay into Hydrographers Passage, a deep water channel east of Mackay. The structure is a stainless steel tower, which also serves as a daymark and carries a racon.
The North Bull Lighthouse, is an active aid to navigation located at the mouth of the River Liffey, near Dublin, Ireland. It is one of four lighthouses that help guide shipping into the Liffey, and the Port of Dublin, all of which are operated and maintained by the Dublin Port Company.
The Arenas Blancas Lighthouse is an active lighthouse on the Canary island of La Palma in the municipality of Villa de Mazo, near the village of La Salemera. The larger settlement of Mazo lies 8 km (5.0 mi) to the north-west.
The Punta Abona Lighthouse is an active lighthouse on the south-eastern coast of Tenerife in the Canary islands. It is located between Abades and Poris de Abona, in the municipality of Arico. The lighthouse was the second to be constructed on the rocky headland of Punta Abona, which marks the south-east side of the island, and lies between the Punta de Anaga Lighthouse to the north and the Punta Rasca Lighthouse of Arona to the south.
The Puerto del Rosario Lighthouse also known as the Punta Gaviota Lighthouse is a modern active lighthouse on the Canary island of Fuerteventura. It is located in an industrial area at the north-eastern end of the town of Puerto del Rosario, the capital and major port of the island in the Province of Las Palmas.
The North Bank or Northbank Lighthouse, is an active aid to navigation located at the mouth of the River Liffey, near Dublin, Ireland. It is one of four lighthouses that help guide shipping into the Liffey, and the Port of Dublin, all of which are operated and maintained by the Dublin Port Company. Built in 1882, it also affectionately called The Tea Caddy due to its architecture, and has also been described as "resembling a giant mailbox on stilts".
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