Glossary Archive

Tomasz Schafernaker

Tomasz Schafernaker is a well-known meteorologist and television weather presenter for the BBC. Born on January 8, 1979, in Gdańsk, Poland, he moved to the United Kingdom when he was young and pursued a career in meteorology, developing a reputation for his engaging and sometimes humorous presentation style. Career Highlights Schafernaker joined the BBC Weather...


Topping Lift

A line from the base of the mast passing around a sheave at the top thence to the end of the boom to take the weight of the boom when lowering the sail


Topsides

The outer hull of a vessel above the waterline, extending from the deck to the water's edge. The term "topsides" is a fundamental concept in marine terminology, describing the portion of a boat or ship's hull that is visible above the waterline. This area plays a critical role in the vessel's overall design, functionality, and...


Traffic Separation Scheme

A navigation system designed to organise the flow of vessel traffic in congested or high-risk areas, ensuring safe passage by separating opposing traffic streams. A Traffic Separation Scheme (TSS) is a regulatory measure established by the International Maritime Organization (IMO) to enhance maritime safety in areas where vessel traffic is dense or where there is...


Transit

Two fixed objects are in transit when they are in line 


Transom

The transom is the flat, vertical surface at the back of a boat. It is typically where the outboard motor or stern drive is attached to a motor vessel. Sailing vessels often have a transom that can fold down to create a bathing platform. The transom provides structural support and stability for the vessel and...


Traveller

Siding mechanism to adjust the aft end of the boom.


Tri-colour Light

Masthead light combining red, green and white lights in one unit.


Trim

Trim is the adjustment of a boat's sails, weight distribution, and angle relative to the water to optimise performance, balance, and stability. Trim is a critical concept in boating that refers to how a vessel is balanced and positioned in the water and how its sails or engine power are adjusted to achieve optimal performance....