Bridge navigational watch alarm system floor (Bridge Navigational Watch Alarm System) to monitor the bridge building activity and found that as the operator lost the ability to work may lead to accidents at sea. When on duty the driver (OOW) lost the ability to perform its duties, the system will automatically alarm to the master or other OOW.
The first system is a warning to the OOW, if not answered, then another to the master or OOW ability of the police. In addition, BNWAS OOW can provide immediate help to call measures. Whenever the bow heading or track control system operation, BNWAS it should be in working condition, but the captain except when prohibited.