The Dutch departments of Home Affairs and Navy published a list of the Dutch war- and merchant ships including the so-called Gouvernementsmarine which was active in the Dutch East Indies. The list I used was published by H. Nijgh at Rotterdam and was kept update until 1 October 1867.
GQHK=Den Briel, screw steamship 4th class
GQHM=Djambi, screw steamship 1st class
GQHS=Dommel, screw steamship 4th class
GQHV=Draak, floating battery