MS421B – Bridge Watch Alarm

The MS 421B Bridge Navigational Watch Alarm System (BNWAS) guards you from the duty officer unintentionally falling asleep. By demanding action regularly, alertness is guaranteed and chances for accidents are reduced.

New regulation’s from IMO’s Maritime Safety Committee (MSC) will require a BNWAS complying with IMO performance standards. The MS 421B is type approved according to the current legislation for Bridge Navigational Watch Alarm Systems, as laid down by the IMO in resolution 128(75) and IEC 62616.

Product Certification

Bureau Veritas
lloyd's register
Weelmark

contact sales

Request information

Stefan Meun-Visser

+31 6 13 73 87 76

want to know more about the MS421B – Bridge Watch Alarm

Ask Stefan Meun-Visser

More about the MS421B – Bridge Watch Alarm

Communication to VDR is integrated and the autopilot can also be connected to the BNWAS. The system can be expanded with remote reset buttons and PIR’s. A selection unit is also an option to regulate the different officers on duty. The optional units are small and easy to install.

The MS421B is type approved to be used on all kinds of ships.

Advantages

  • Everything that is needed according to IMO 128(75) in one single housing
  • Extendable by means of extra reset buttons
  • Reports to the officer’s cabins
  • Cost-reducing in installation
  • No disturbing lights, due to the dimming function
  • Possibility to switch on automatically together with the automatic pilot
  • The MS-421B is type approved to be used on all kinds of ships.

Features

  • Dimensions 144x72X100 (HxWxD)
  • Cut out 138×68 (HxW)
  • Power supply 18-28 Vdc
  • Current 180mA max
  • 4 potential free outputs
  • Autopilot input
  • Reset input
  • Communication interface to VDR and ECDIS (NMEA)
  • Lloyd’s Register Type approved

MS421B – Bridge Watch Alarm