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Bridge navigational watch alarm system.

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Bridge navigational watch alarm system - a device which triggers an alarm if an Officer on Watch (OOW) becomes incapable of performing the OOW’s duties.


The crewmen assigned to take care of the ship while anchored or moored, charged with such duties as making sure that the anchor is holding and the vessel is not drifting. Most marine GPS units have an Anchor Watch alarm capability.


A space where alarm bells are installed on the bridge of a ship to trace or rectify any machinery faults. The computerized devices will report any fault immediately it appears and the engineers on board can attend to the necessary ramifications.


A member of the crew stationed on the forecastle, bridge, or in the case of sailing vessels, the crow's nest at the top of one of the main masts. His duty it is to watch for any dangerous objects or for any other vessels approaching .


One Man Bridge Operations when a sole OOW maintains a navigational watch on the bridge without the support of additional personnel, other than a helmsman engaged in steering


Officer of the Watch


The enclosed space on the navigating bridge from which a ship is controlled when under way. See bridge


Public address system: Loudspeakers in the vessel ́s cabins, mess rooms, etc., and on deck via which important information can bbroadcast from a central point, mostly from the navigation bridge


Integrated Bridge System


A round through the vessel carried out by a crew member of the watch at certain intervals so that an outbreak of fire may be promptly detected; mandatory in vessels carrying more than 36 passengers.
These are not normally carried out on a regular basis upon most vessels but they should be conducted (1) immediately prior to, or upon sailing. A thorough inspection of the vessel being made especially in hold compartments, stores, engine and boiler rooms, etc. (2) when the vessel has been vacated by shipyard personnel whilst the vessel is in port undergoing repair. Someone may have been using oxy-acetylene burning or welding equipment on one side of a bulkhead totally unaware that the beginnings of a fire were being created on the other side of the bulkhead.

Everyone on board should, in addition to looking for fire, assess and correct any possible dangerous situations, e.g. loose oil or paint drums, incorrectly stored chemicals, etc.

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