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See full version: What Do the Different Colored Lights on a Boat Mean
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Image by Flickr.com, courtesy of all good) (pete here
He told The Stranger: “Wear your black ring on your right hand if you are out and open to meet other swingers.
According to the website Swinger Code, people who are up for swapping sexual partners often wear a wristband brandishing a special “sign.” here
Bizarrely, the website identifies pineapples as another swinger signal – in the form of a door knocker. more
Garden gnomes are another sign that someone might be a swinger. Shutterstock [links]
There can also be an official 'blue light' that mounts on a yacht's starboard spreader where the 'Owner Not Aboard" flag signal flies. The blue light is the night signal. See the bottom of this page: http://mysite.verizon.net/vzeohzt4/S. /Yachting.html here
I think you've got it, wizbang 13. Besides, if the advertizer isn't any sharper about glass color than he is about the lights indicating "front" and "back" of a ship, the "blue" light might just have a bit of a shade of green in it so that it appears more vivid green with a yellow fglame behind it.
It's probably a starboard light. I don't know where the seller got that idea about "large ships and tankers".here
Got to be a mistake. I've never heard of, or can find anything about "blue" lights. Red & green yes, and not for
bow & stern.
Did steering lights even exist when oil lamps were used? I don't know if there's a specific arc of visibility other than being visible from the bridge. [links]
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Image by Flickr.com, courtesy of all good) (pete [links]
A boat's lights are far more than decoration. They tell a seasoned sailor where the boat is, how big it is and which way it's moving. The colored lights also tell you what boats to avoid and even how to stay out of their way.
Most navigation lights are "steady," that is, they don't flash. Flashing lights--yellow and blue--are special-purpose lights marking submarines, hovercraft, police boats and public service boats. A triangle of green lights is a minesweeper at work. more