|Armament||1 3" gun 2 .5" MG AA 30 mines|
|Max speed||10 knots|
|Engines||Triple-expansion-engine, 1 shaft|
|Notes on class||Former tug Willem van Braam, rebuilt as a survey vessel and renamed Hydrograaf. In 1935 Hydrograaf was renamed Bangkalan. Bangkalan was converted to auxiliary minelayer in February 1942 at the Naval Dockyard Soerabaja.|
All ships of the Bangkalan class
|HNMS Bangkalan||Lost on 2 Mar 1942|
See all Minelayer classes.