5 Navigation Light Controller
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.253(83) - Adoption of the Performance Standards for Navigation Lights, Navigation Light Controllers and Associated Equipment - (Adopted on 8 October 2007) - Annex - Performance Standards for Navigation Lights, Navigation Light Controllers and Associated Equipment - 5 Navigation Light Controller

5 Navigation Light Controller

  5.1 An NLC should facilitate ON/OFF controls of individual NLs.

  5.2 An NLC should provide visual indications of "ON"/"OFF" status of NLs.

  5.3 Pre-programmed NL group settings may be provided.

  5.4 An NLC on board a ship not less than 50 m in length should provide the alarm for:

  • .1 failure of power supply to NLs; and

  • .2 failure, including short circuit, of a lamp which is switched ON.

  5.5 An NLC on board a ship not less than 50 m in length should present the status of all NLs in a logical presentation, meeting the requirements set out in resolution MSC.191(79), e.g., by symbol marks on a display.

  5.6 All indicators of an NLC should be dimmable to ensure easy reading without disturbing the night vision of the Officer of the Watch. The brightness of a display, if fitted, of an NLC should be controllable.

  5.7 An NLC should support the use of standardized serial interfaces for marine navigation and communication systemsfootnote.

  5.8 The NLC should have a bi-directional interface to transfer alarms to external systems and receive acknowledgements of alarms from external systems. The interface should comply with the relevant international standardsfootnote.

Parent topic: Annex - Performance Standards for Navigation Lights, Navigation Light Controllers and Associated Equipment
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