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On a ship, the function of a porthole, when open, is to permit light and fresh air to enter the dark and often damp below-deck quarters of the vessel. It also affords below-deck occupants a limited view to the outside world. [2] When closed, the porthole provides a strong water-tight, weather-tight and sometimes light-tight barrier.
A ship will sink if the transverse bulkheads are so far apart that flooding a single compartment would consume all the ship's reserve buoyancy. Aside from the possible protection of machinery, or areas most susceptible to damage, such a ship would be no better than a ship without watertight subdivision, and is called a one-compartment ship.
Weather routing is a commercial service provided by commercial companies for cargo ships, to optimize their voyage performance. An adventure version of the same used for sailing boats is referred to as sailing weather prediction or sailing weather routing. The latter focusses more on the forecasting and routing of wind and currents for ...
Federico C operated cruises exclusively from 1972 until 1983, when the ship was sold. [7] In 1983, Premier Cruises obtained the ship and named it Royale; it became StarShip Royale in the same year. In 1988, the ship was renamed SeaBreeze when it was placed in service for Dolphin Cruise Lines. One year later, the ship had been refurbished.
This creates an inverse airflow near the ground. [2] The strength of the sea breeze is directly proportional to the temperature difference between the land and the sea. If a strong offshore wind is present (that is, a wind greater than 8 knots (15 km/h)) and opposing the direction of a possible sea breeze, the sea breeze is not likely to ...
Compartmentalisation of a ship, to reduce floodability Parts of a water-tight compartment. Floodability is the susceptibility of a ship's construction to flooding.It also refers to the ability to intentionally flood certain areas of the hull for damage control purposes, or to increase stability, which is particularly important in combat vessels, which often face the possibility of serious hull ...
A January 23, 1873 memo directed the New Orleans Signal Observer to transcribe meteorological data from the ship logs of those arriving in port. [2] Marine forecasting responsibility transferred from the United States Navy to the Weather Bureau in 1904, which enabled the receipt of timely observations from ships at sea. [3]
2. Above the ship's uppermost solid structure. [3] 3. Overhead or high above. alongside By the side of a ship or pier. [3] ama A secondary hull or float attached to the primary hull of a vessel for stability, or the hulls of a modern catamaran. amidships 1. A position half way along the length of a ship or boat. [13] 2.