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A daymark is a navigational aid for sailors and
A daymark is a navigational aid for sailors and pilots
An aircraft pilot or aviator is a person who controls the flight of an aircraft by operating its directional flight controls. Some other aircrew members, such as navigators or flight engineers, are also considered aviators, because they a ...
, distinctively marked to maximize its visibility in daylight.
The word is also used in a more specific, technical sense to refer to a signboard or daytime identifier that is attached to a day beacon or other aid to navigation. In that sense, a daymark conveys to the mariner during daylight hours the same significance as does the aid's light or reflector at night. Standard signboard shapes are square, triangular and rectangular; and the standard colours are red, green, orange, yellow and black.
Notable daymarks
*Trinity House Obelisk
The Trinity House Obelisk, also known as the Trinity House Landmark, is a 19th-century obelisk located at Portland Bill, on the Isle of Portland, Dorset, England. Built as a daymark, it has been Grade II Listed since 1978.
The obelisk was built ...
* Kingswear Daymark
Kingswear Daymark (also known as The Tower) is a 24 m (80 ft) octagonal limestone day beacon built in 1864, in an arable field above Froward Point near the town of Kingswear, Devon, England.
Description
The daymark was constructed of local lim ...
*Tasku beacon tower
Tasku beacon tower (''Taskun pooki'' in Finnish) is a daymark tower located on the island of Tasku (''Pocket'' in English) in the Raahe archipelago in the Gulf of Bothnia in Finland. The structure was built in 1853 from the plans drawn by Albin St ...
*Keskiniemi beacon tower
The Keskiniemi beacon tower (''Keskiniemen tunnusmajakka'' in Finnish), often referred to as the Karvo beacon tower, is a historic daymark located on a promontory of Keskiniemi in the northwestern part of Hailuoto island in the Gulf of Bothnia in ...
*Hiidenniemi beacon tower
Hiidenniemi beacon tower () was a historic daymark tower on the northern coast of Hailuoto island in Gulf of Bothnia in Finland. The structure was located at the northernmost point of the island, a minor promontory named Hiidenniemi.
The structu ...
*Laitakari beacon tower
Laitakari beacon tower is a daymark (navigational aid) located on the island of Laitakari in the Gulf of Bothnia in Finland. The island is located east-northeast of Hailuoto and is within the municipal boundaries of the City of Oulu. There has ...
*Herring Tower, Langness
The Herring Tower is situated on the Langness Peninsula in the south of the Isle of Man. It was built by Thomas Brine in 1823. The tower was built as a daymark and was based on the style of the tower of Peel Castle. Since 1991 the Herring Tower ha ...
* Le Hocq
*La Tour Cârrée
La Tour Cârrée, or The Square Tower, on Jersey, is not a tower but rather is a fortified guardhouse and magazine in the style of a blockhouse with loopholes for musketry. It may have been erected in 1778 on the site of a redoubt. The tower suppor ...
*Scharhörnbake
The Scharhörnbake was the most important daymark on the German North Sea coast for several centuries. First erected in 1661 by the City of Hamburg on the sandbank Scharhörn and south side of the Elbe estuary, it was rebuilt over centuries and ...
Symbols used on US charts
Chart symbols used by the US National Oceanic and Atmospheric Administration Department, 2013.See also
*Landmark
A landmark is a recognizable natural or artificial feature used for navigation, a feature that stands out from its near environment and is often visible from long distances.
In modern use, the term can also be applied to smaller structures or f ...
* Sea mark
* Lighthouse
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways.
Lighthouses mar ...
References
Navigational aids {{Pharology-stub