The difference between Gross Tonnage and Net Tonnage

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This video complements the earlier demonstration of wind effect on straight track and shows now wind effect on turning circles. It can be seen that during a turn under strong wind the ship reduces turning when it comes close to equilibrium on straight track - if the Wind-to-ship speed ratio is big enough then the ship even goes straight instead of turning. This is shown for three samples for Head, Stern wind and Beam wind. The turning can be increased if the ratio of Wind speed-to-ship...

RINA ACT Technical Meeting
23 November 2021
Port Ash Australia: Ship Handling Training & Research Centre
By A. Beazley, Port Ash, Australia

New guidance for PBAs with trapdoors. Released 4.11.2020 at NZMPA Conference in Dunedin, NZ. Distinct difference to suggestions in many other countries, is that we challenge operators who have the ladder suspended from the accommodation ladder (gangway) and not secured to the ship. SOLAS states that pilot ladder shall be secured to the ship, and securing strongpoints, shackles and ropes shall be as strong as the sideropes.

The British Tugowners Association (BTA) in collaboration with the UK Chamber of Shipping has launched its new Pilots’ Pocket Guide and Checklist.

Gustavus, AK – Armstrong Marine USA of Port Angeles, WA recently delivered the 45’8” x 16’ semi-displacement catamaran Serac to the National Park Service (NPS) for use in Glacier Bay National Park and Preserve.

Unless you were paying attention on your last cruise, you might have missed the pilot boat bringing the pilot out to your cruise ship.

The Hibernia joins the Belfast Harbour operational marine fleet.