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We believe every day’s a school day on a boat! That’s why we built Nautical Know-How, dedicated to answering your questions. Even better, if it can’t answer your question immediately, you can request it, and we’ll add it to our knowledge base.
Understanding the language of the marine world is like trying to learn a pirate’s secret code while juggling fish. You’ll wonder why a “sheet” isn’t something you sleep under but a rope that controls a sail. “Bowsprit” sounds like a sneeze, “booby hatch” isn’t a bird’s hideout, and “port” doesn’t come in a glass—it’s just left. If someone yells, “Man overboard!” don’t ask which direction they swam. And heaven help you if you think “scuttlebutt” is gossip—well, actually, you’d be right about that one. By the time you’ve figured out that “head” means toilet and “galley” isn’t an alley with gourds, you’ve already been hit with a wave and lost your hat to the wind they call a “nor’easter.”
Let us explain why a sheet isn’t for your bed, why “heave ho” doesn’t mean throw up (most of the time), and why “dead reckoning” is surprisingly less ominous than it sounds.
Permission from a port health authority for a vessel to communicate with the shore and conduct permitted port operations after health requirements are satisfied. Free pratique may be granted on the basis of a maritime declaration of health and other pre-arrival information, or after inspection where required. Procedures vary by state, port, voyage history and…
An International Code of Signals flag whose single-letter meaning is “My vessel is healthy and I request free pratique.”. The Quebec flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal communicates information…
An International Code of Signals flag whose single-letter meaning is “In harbour, all persons should report on board as the vessel is about to proceed to sea.”. The Papa flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has…
An International Code of Signals flag whose single-letter meaning is “Man overboard.”. The Oscar flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal communicates information or intention but does not remove duties…
An International Code of Signals flag whose single-letter meaning is “No—a negative response.”. The November flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal communicates information or intention but does not remove…
An International Code of Signals flag whose single-letter meaning is “My vessel is stopped and making no way through the water.”. The Mike flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal…
An International Code of Signals flag whose single-letter meaning is “You should stop your vessel instantly.”. The Lima flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal communicates information or intention but…
An International Code of Signals flag whose single-letter meaning is “I wish to communicate with you.”. The Kilo flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal communicates information or intention but…
An International Code of Signals flag whose single-letter meaning is “I am on fire and have dangerous cargo on board, or I am leaking dangerous cargo; keep well clear.”. The Juliett flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete…
An International Code of Signals flag whose single-letter meaning is “I am altering my course to port.”. The India flag may be displayed alone to convey this internationally assigned meaning. It can also appear as a character within multi-flag groups, where the complete group has a different coded interpretation. The signal communicates information or intention…
If you belive the Earth is flat, you're about to fall of the end...
If you belive the Earth is flat, you're about to fall of the end...
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