
Nautical Science: A Practical Guide to How Ships Work at Sea
A working guide to nautical science from a deck officer and marine surveyor — covering ship navigation, cargo operations, maritime safety, steering and manoeuvring, and port procedures.

A working guide to nautical science from a deck officer and marine surveyor — covering ship navigation, cargo operations, maritime safety, steering and manoeuvring, and port procedures.

Find boat salvage yards in Georgia with used boat parts, engines, and project boats. Includes Lake Lanier, Savannah, and Augusta salvage sources.

Discover the best boat salvage yards in Ohio, including Lake Erie hotspots like Port Clinton and Sandusky. Find used boat parts, engines, and rare marine equipment from trusted salvage yards and local dismantlers.

Freeing ports are critical openings in ship bulwarks that allow water to drain from exposed decks. Learn how they work, why they’re required, and how they improve vessel safety and stability.

Find boat salvage yards in Wisconsin for used boat parts, motors, trailers, and affordable marine equipment.

Find active shipyards in Florida offering ship repair, refit, conversions, and marine engineering. This directory lists verified facilities with dry docks, travel lifts, fabrication halls, and certified vessel service capabilities.

The dry bulk sector, which accounts for nearly half of the world’s fleet by deadweight. The top 10 dry bulk shipping companies, managing over 15%.

Boating enthusiasts and boat owners alike often wonder how much fuel their boat uses per hour. The answer to the question of how much fuel does a boat use is not straightforward, as fuel consumption can vary depending on several factors. Boat size, weight, engine type, and speed are just a few examples of the…

The Newcastlemax bulk carrier is a large vessel used to transport bulk cargo such as coal, iron ore, and grain across the world’s oceans. These ships are designed to be able to carry as much cargo as possible to make shipping more efficient and cost-effective. In this article, we will take a closer look at…

This page ranks the world’s largest LNG carrier operators by operated fleet size as of April 2026. Ownership and operation frequently differ in LNG shipping — the rankings here reflect operational control of vessels, not legal title, which is why some large shipowners like Nakilat rank lower than fleet managers who operate vessels on long-term…

The question of how submarines work might be like magic for the general public, no one can even imagine how a submarine that is so massive can perform the miracle of submerging and then rising to the surface again. So, what is a submarine? A submarine, or “sub,” is a special kind of vessel that…

Ship prefixes help identify the type, propulsion method, or purpose of a ship. Historically, these abbreviations played a key role in communication, especially during the telegraph era. Today, they remain an integral part of maritime tradition and regulation. Why Do Different Ship Prefixes Exist? Ship prefixes originated to save space in telegraph messages and identify…