Bridge Navigation Watch Alarm System (BNWAS)...
BNWAS systems are a requirement to help protect the Ship's Officers required to carry out one man bridge duties and also to ensure the bridge is never left unattended for prolonged periods.
GUARDIAN : BNWAS safety system is designed to automatically monitor bridge activity through Passive Infrared (PIR) movement sensors located strategically around the bridge area. The Master and other qualified navigating officers would be alerted should the bridge be left unattended or if the officer of the watch (OOW) becomes incapacitated.
The system first alerts the OOW through local audio/visual alarm indication on the bridge and if he/she is not responding, alerts the Master and other qualified navigating officers; a message is also sent to a portable pager should the officers be outside the accommodation...more>>>