Bridge Navigation Watch Alarm System (BNWAS)
BNWAS is designed to ensure that a vessel is under the control of the Officer of the Watch (OOW) at all times. The OOW must reset the BNWAS within a set time period. It is a key item of equipment for companies running a “one man bridge” operation, where the vessel is solely reliant on the OOW to ensure its safety. Should the OOW become unable to interact with the BNWAS the system it will enter a sequence of alarm stages:
- Stage 1 - Audible and visual alarm local to the wheelhouse only
- Stage 2 -Additional audible alarm in chosen Officer’s quarters
- Stage 3 -Additional audible alarm further officer and crew areas
