Slideshow Image 1 Slideshow Image 2 Slideshow Image 3

Bridge Navigational Watch Alarm System (BNWAS)


Designed with fleet operators in mind, the BN150 is the ideal BNWAS for retrofitting to any size of vessel.

The BN150 is a competitively priced system that does not compromise on quality. Designed around a simple two wire installation, along with a simple setup procedure, the system can be fully installed and commissioned by the ship’s crew.

An integral Backup Duty Officer Selection function is included as standard to allow any combination of 5 locations to receive 2nd stage alert.

Reset buttons and alarm sounders can be mounted internally or externally with the sounders having adjustable audio levels and tones for use in passageways, ships office or bridge wings etc.

Optional motion sensors can be supplied for convenient resetting of the BNWAS countdown, without any effort from the officer on watch.

Built and designed in the UK, the BN150 BNWAS is fully Type Approved to IEC 62616, incorporating MSC128 (75), and carries a 2 years warranty as standard.

AMI have a global network of service agents to provide fast, effective worldwide support for added peace of mind.


Fully compliant with IMO Resolution MSC.128(75) & IEC 62616 and with Classification Society CCS Type Approval, the NSR/NBW-1000 BNWAS can be supplied as a basic system to operate proprietary alarm units (where appropriate) or, as an expanded system complete with alarm selector switch and individual officer cabin and crew call audible alarm units.


BNW-50 Characteristics :

IMO MSC.128(75). Meets the international standard IEC 62616).
ALR (alarm) sentence output (IEC 61162) for VDR.
Responds to the other navigational equipment’s ALR (alarm) and EVE(event) sentence input.
Time display function once GPS signal is connected.
Easy to extend the function due to the availability of various options.
Function that monitors the bridge activity and detects operator disability which could lead to marine accidents
Alerts the stand-by officer when the watch officer does not responds to the visual and audible alarm.
Equipped with emergency call and navigator call button.
Automatic reset function that detects the movement of the watch officer by using the motion sensor.
Use of password protects the control of setup menu
Easy to operate since display uses numbers and graphics.

Navigation Equipments