Exam Question

(a) Bridge Navigational Watchkeeping Alarm System (BNWAS)
The Bridge Navigational Watchkeeping Alarm System (BNWAS) is a safety system designed to monitor the activity of the bridge watchkeeping officer and ensure they remain alert while on duty.
The primary goal of BNWAS is to prevent accidents that could arise from human error, fatigue, or the incapacitation of the watchkeeping officer. It ensures the continuous presence and alertness of personnel on the bridge.
The system operates on a timer that is reset by motion sensors detecting movement on the bridge or through manual acknowledgment by the officer. If no activity is detected within a set period: