Trends and Currents

3D tugboat design comes to life

Signet Maritime Corp. has begun construction on the first commercial vessels in the United States developed using a purely 3D design process. The tugboats will be built to the Advanced Rotortug design by Robert Allan Ltd., which places two azimuthing…

Ballast water treatment technology advancing rapidly

Managing ballast water is an indispensable part of maritime operations. How that water is treated before it is discharged will grow in importance as new international rules come into effect.  The Ballast Water Management Convention entered into force internationally…

Cybersecurity 101: Playing it safe when logging in at sea

Mariners spend less time online than the average landlubber with constant access to Wi-Fi and 5G cell towers, but they often rely on the internet more for managing their lives. Paying bills, shopping or connecting with family and friends…

Technology in a backpack: PPUs modernize piloting

Modern PPUs are composed of sensors and a laptop computer (or tablet) typically carried aboard in a backpack. The sensors are placed outside on the ship and the pilot uses the real-time data to improve navigational…

Tackling the fishing gear problem

Beyond collisions with ships, whales inhabiting the waters of North America are vulnerable to injury or death from another human-related threat: fishing gear entanglement. Research conducted by the New England Aquarium and the Center for Coastal Studies showed that scars…

New technology aims to help mariners save the whales

While humans once stood in awe of the size and strength of whales, the roles have been nearly reversed since the mid-20th century as increasing ship traffic has added insult to the injury done by the era of whaling. To…