Why you should consider LED searchlights.

05 October 2018

Traditionally, searchlights were manufactured with halogen bulbs, ranging up to 3000 watts.

Den Haan Rotterdam - 300RCB LED searchlight

01 December 2017

The brand-new 300RCB-series proves again that DHR has the know-how and know-why for adopting the best LED-technology available for searchlights.

Duplex navigation lights

26 October 2015

At DHR we often get questions on whether or not a ship needs Duplex navigation lights.

The DHR70N Polar

19 October 2015

Ice free navigation lights at all timesDen Haan Rotterdam (DHR) introduces the DHR70N Polar at Europort 2015.

The DHR Air Horn History

13 May 2015

How Den Haan Rotterdam started producing marine air horns for inland navigation and seagoing ships.

The Polar Code

30 April 2015

In November 2014 the International Maritime Organization (IMO) accepted the draft version of the “International Code for Ships Operating in Polar Waters”, also known as the Polar Code.In 2