Dutch tug trawler Drydock sold and became fishing vessel Hollandia according to the Dutch newspaper Rotterdamsch nieuwsblad dated 12 September 1918
An item dated IJmuiden, Netherlands 11th reported that G.A. A. Gussenhoven and others at Haarlem, Netherlands bought the Dutch tug trawler Drydock (RO 53) and recommissioned her with as homeport Ijmuiden as the Hollandia (IJM 508) for fishing.