Glossary

A line or tackle rigged to the boom or spar to prevent unwanted movement, particularly to stop a boom from swinging dangerously during an...

The zero-degree longitude line that is the starting point for measuring longitude and dividing the Earth into the Eastern and Western...

A propeller is a fan-like device that propels a boat or ship through the water by converting rotational motion into thrust. Propellers typically...

A propeller shaft is a long, cylindrical metal shaft that connects the boat's transmission or gearbox to the propeller. It transmits power from...

The lateral movement of a boat's stern caused by the rotational forces of the propeller, typically noticeable when operating at low speeds or in...

The turbulent flow of water generated by a vessel's propeller as it moves through the water, often creating strong currents and turbulence behind...

A raised structure at the bow of a vessel, often made of metal, designed to provide safety for crew members working at the front of the...

A sturdy, protective railing or guardrail located at the stern of a boat, often forming part of the vessel's safety framework.

The pushpit,...

A device or material designed to produce light, heat, smoke, or sound through a chemical reaction, commonly used in marine signalling for...

The International Maritime Signal Flag Quebec.

Meaning

Quarantine Flag.
My vessel is healthy and I request free pratique.

Flag semaphore indicating the letter Q.

International Morse Code sequence representing the letter Q.

A single bunk tucked under the cockpit. Usually found in smaller boats where there is no room for a cabin in this location.

Pronounced: keh-BECK

The term for the letter Q in the NATO Phonetic Alphabet.

A communication made via radio from a vessel to a shore-based medical facility or professional to seek urgent medical advice or assistance for an...