PART 6 These
illustrations show a variety of safe water marks.
Safe Water Marks. Tese marks denote navigable (safe) water on all sides. Tey are frequently used to identify the middle of a channel or an offshore approach point to a channel. Color: red and white vertical stripes Shape: sphere or buoy with a red spherical topmark Character: letter (s) Light: white (if lighted) and flashes the Morse code (Mo) signal for the letter “A” (i.e., 1 short flash followed by 1 long flash). Tis lighted safe water buoy at the seaward approach to the Winyah Bay chan- nel is identified by the symbols RW (red and white stripes) and Mo A (light flashes Morse code “A”). “WB” indicates it is the safe water mark for the Winyah Bay entrance.
Perferred Channel Bouys. This preferred channel buoy with a light is identified on the chart by RG “MH” Fl (2+1) R 6s. The RG symbol indicates that the top band is red (R), which tells us that the preferred channel is to the left. We can also identify the buoy by the letters “MH” on it.
Isolated Danger Marks. Tese are placed near an isolated danger with navigable water all around. Tey have black and red horizontal bands with a topmark of two black spheres. If lighted, they display a group flashing of two white flashes every 5 seconds.
Green top band indicates the preferred channel should be passed on your port side to take the preferred channel.
Special Purpose Marks. Tese are not navigation marks, but are used to alert you to a special feature or area such as the Triton submarine turning basin at the mouth of the St. Mary’s River. Tey also mark pipelines, traffic separation schemes, spoil areas, and jetties. Tese marks can be identified by their yellow color with black letter(s). If lighted, they display a yellow fixed or flashing light. You will have to refer to a chart, Notices to Mariners, Coast Pilot or Light List to determine their meaning.
Information and Regulatory Markers Tese are used to alert you to dangers, exclusion and controlled areas, directions, and other regula- tory matters and information. Tey have orange square, diamond or circle symbols with an orange band above and below the symbol dis- played against a white background.
BOAT EXCLUSION AREA Special Purpose Mark
Explana- tion may be placed outside the crossed
SWIM AREA
diamond shape, such as dam, rapids, swim area, etc.
DANGER ROCK
The nature of danger may be indicated inside the diamond
shape, such as rock, wreck, shoal, dam, etc.
CONTROLLED AREA SLOW SLOW NO WAKE 92
Type of control is indicated in the circle, such as slow, no wake, speed limit, etc.
5 MPH
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