| Name: | BLANKENSTEIN |
| Launched: | 1924 |
| Completed: | 1929 |
| Builder: | A Pannevis, Alphen a/d Rijn |
| Yard Number: | |
| Dimensions: | 20grt, 17.07 x 4.26 x 2.10metres |
| Engines: | C2cyl, 100ihp |
| Engines by: | JH Cappellen (Industrie) |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | |
| History: | |
| 1924 | HP de Wit, Rotterdam |
| 1927 | Marckmann & Faassen, Kralingscheveer |
| 27/11/1929 | Blankenstein, Dordrecht; renamed BLANKENSTEIN |
| 05/05/1933 | Rodi - NV tot Exploitatie van Motorsleepboten, Rotterdam; renamed WIDIJA |
| 19/06/1935 | Transport en Sleepdienst Mij, Rotterdam |
| 11/11/1949 | Rederij T Muller, Dordrech; renamed EN AVANT XVIII |
| 01/01/1956 | Firma Joco vof, Nijmegen; renamed JOCO |
| 17/01/1969 | Stoomsleepdienst Maas (G van Asperen), Rotterdam |
| 04/02/1969 | Renamed STERN |
| 12/08/1969 | L Smit & Co's Sleepdienst, Rotterdam |
| 31/03/1972 | Smit Internationale Havensleepdienst BV, Rotterdam |
| 27/09/1972 | MG Deal, Thorpe Bay, Essex |
| 1973 | Thames Services (Marine) Ltd, Tilbury; renamed TERN |
| 1977 | British Shipbuilders, Newcastle |
| 1986 | Swan Hunter Shipbuilders Ltd, Newcastle |
| 2007 | Broken up |
| Comments: | 19XX: Re-engined with Deutz diesel, 50bhp-80ihp |
| 1964: Re-engined with 8cyl Gardner diesel, 200bhp | |
| 1969: Rebuilt | |
| 2007: Engine removed & hull broken up at Wallsend Yard |
Above photo as EN AVANT XVIII is copyright of Ies Bruinsma
Above photo was when owned by Thames Services
Above photo, dated 19/02/1985 is courtesy of Kevin Blair
Above photo is courtesy of George Robinson
Above photo is courtesy of George Robinson