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A Morse code light is light in which appearances of light of two clearly different durations (dots and dashes) are grouped to represent a character or characters in the Morse Code. For example, "Mo(A)" is a light in which in each period light is shown for a short period (dot) followed by a long period (dash), the Morse Code for "A".
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 ...
While the south pier had been equipped with a light from 1874, the north pier was unlit, and given the difficult approach (highlighted by the notorious wreck of the SS Mataafa in 1905), calls for aids were soon made. A 1908 Lighthouse Board report, in recommending the construction of a light on the north pier, noted that a private aid was ...
The Duluth South Breakwater Outer Light is a lighthouse on the south breakwater of the Duluth Ship Canal in Duluth, Minnesota, United States. [ 2 ] [ 3 ] [ 4 ] It forms a range with the Duluth South Breakwater Inner Light to guide ships into the canal from Lake Superior .
The Duluth Ship Canal is an artificial canal cut through Minnesota Point, providing direct access to Duluth harbor from Lake Superior.Begun privately in 1871, it was put under federal supervision and maintenance several years later.
The Pennsylvania Fish and Boat Commission has several new regulations coming into effect Jan.1 aimed at reducing the spread of invasive species. New regulations starting Jan. 1 ask Pa. boaters ...
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The appropriate lights may also be displayed during the day at times of restricted visibility or other necessary circumstances. [3] Vessels under 7 meters are generally not required to display day shapes even if they are required to display lights at night. [4] A square black flag displayed over the ball may be used as a distress signal. [5]