The VL-BNWAS was developed to detect the awareness of the officer of watch
(OOW) to avoid accidents. In case the OOW is incapable, the system automatically generates several alarm stages. Due to its modular design it will be possible to suit on each dimension of vessel. The Bridge Navigation Watch Alarm System also have the capability to generates alarms at un-acknowledges alarms from nautical equipment.

- ships of 150 gross tonnage and upwards and passenger ships irrespective of size constructed on or after 1 July 2011,
- passenger ships irrespective of size constructed 1 July 2011, not later than first survey after 1 July 2011,
- ships of 3,000 gross tonnage and upwards constructed before 1 July 2011, not later than the first survey after 1 July 2012,
- ships of 500 gross tonnage and upwards but less than 3,000 gross tonnage constructed before 1 July 2011, not later than the first survey after 1 July 2013
- ships of 150 gross tonnage and upwards but less than 500 gross tonnage constructed before 1 July 2011, not later than the first survey after 1 July 2014