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A family company
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
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 times
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.