Dutch inland motor tug (ex-Frederika IV 1915-1918, Pontonniersdienst 1918-1926, TD IV 1926-1930, KPT 4 1930-1945, RV 4 1945-1963, De Tijgerhaai 1963-1975, Tijgerhaai 1975-

Rotterdam, Netherlands 22 September 2022

Netherlands-flagged, homeport Rotterdam, ENI 02314240, MMSI 244058187 and call sign PD7519. Built by Kreber, Vlaardingen, Netherlands in 1915. Dimensions 18.55 x 4.76 x 1.85 metres. The 165hp steam engine is replaced by 1-320 hp Mercedes Benz motor.