The new torpedo boat harbour [at Surabaya, Dutch East Indies] was early October  commissioned just like the mine magazine where also the combat charges were stored. At the island Kabing (Madura Strait) was a measured mile founded. The several prescribed steam trials for the torpedo boats were all executed with success. To prevent plague were the boats periodically treated with sulphur. A new kind of mines was now tested. In the period October 1913-October 1914 were 135 torpedoes launched included tests. Further more was exercised with guns and small arms. Due to the political circumstances was not fired with the guns under simulated battle conditions. The torpedo boats exercised in 1914 several times with the Dutch squadron including attacks.