What is the purpose of bridge navigational watch alarm system?
The purpose of a bridge navigational watch alarm system (BNWAS) is to monitor bridge activity and detect operator disability which could lead to marine accidents.
In what situation occasion the bridge navigational watch alarm system should always in operational?
The bridge navigational watch alarm system shall be in operation whenever the ship is underway at sea.
What is bridge watch?
The Bridge Watchman is an entry level program that provides students with basic knowledge and training related to the functions of seamanship, navigation, standards of safe working procedures, and the hazards associated with the marine environment.
What are the basic principles and operation of bridge navigational watch alarm system?
A Bridge Navigational Watch Alarm System, abbreviated BNWAS, is an automatic system which sounds an alarm if the watch officer on the bridge of a ship falls asleep, becomes otherwise incapacitated, or is absent for too long a time. The BNWAS is automatically engaged when the ship’s autopilot is activated.
What are the basic principles to be observed in keeping a navigational watch?
Principles to be observed in keeping a navigational watch.
- Relieving officers shall personally satisfy themselves regarding the:
- Taking over the watch.
- Relieving officer shall personally satisfy themselves regarding the:
- The officer in charge of the navigational watch shall make regular checks to ensure that:
What are the scenarios wherein the OIC NW should notify the master immediately?
As required by the SMS, Master’s Standing Orders and daily orders, the OOW should notify the master immediately: 2. If restricted visibility is encountered or expected. 3. If traffic conditions, density or the movements of other ships are causing concern.
How does BNWAS work?
BNWAS monitors the watch officer’s presence through watch safety system functions. A watch officer is required to press the button on a Timer Reset Panel or to operate navigation equipment (e.g. ECDIS, Radar, etc.) at certain intervals.
How does the bridge navigational watch alarm system work?
The system monitors the awareness of the Officer of the Watch (OOW) and automatically alerts the Master or another qualified OOW if for any reason the OOW becomes incapable of performing the OOW’s duties.
What does an audible alarm on a bridge mean?
The remote audible alarm which sounds in the locations of the Master, officers and further crew members capable of taking corrective action at the end of the bridge audible alarm period, should be easily identifiable by its sound and should indicate urgency.
What’s the time delay between the second and Third Alarm?
In larger vessels time delay between second and third alarm can be set up to a maximum of 3 minutes. The visual indication initiated at the end of the dormant period should take the form of a flashing indication.