#031–How long have ships had “watertight compartments” & how … What are watertight doors on ships called? ‘The frigates have a double-skinned hull divided by ten bulkheads into watertight compartments.’. Titanic's Watertight Compartments - Titanic-Titanic.com This invention not only improves the sinking resistance of ships, but also increases the safety of long voyages. Watertight-bulkhead technology of Chinese junks - UNESCO There is some conflicting testimony about whether all watertight doors were actually closed on Titanic, on April 14, 1912. watertight compartments in ships Watertight subdivision limits loss of buoyancy and freeboard in the event of damage, and may protect vital machinery from flooding. Watertight-bulkhead It was not until the late 18th century that the craftsmanship spread to the West, and watertight compartments became the most important part of modern ship design. Those bulkheads which are of greatest importance are the main hull transverse and longitudinal bulkheads dividing the ship into a number of watertight compartments. Boats can be refueled at sea using side by side procedures, and run on #2 diesel fuel. watertight compartments in shipsautre nom de l'irlande du nord. So, I would say that all watertight compartments are horizontally bounded (both transversely and longitudinally by either the hull or bulkheads). Compartment (ship ships