| Name: | PLATEAU |
| Launched: | 27/03/1952 |
| Completed: | 10/1952 |
| Builder: | Henry Scarr Ltd, Hessle |
| Yard Number: | 668 |
| Dimensions: | 159grt, 0nrt, 86.2 x 24.2 x 9.3ft |
| Engines: | 2 x Oil engines, 2tew, Crossley type CRL4, 4cyl (14.5 x 19ins), 1200bhp; |
| (1998: 2 x Oil engines, 2tew, Detroit type, 6cyl, 1300bhp) | |
| Engines by: | Crossley Bros Ltd, Manchester; (1998: General Motors, Detroit) |
| Propulsion: | 2 x Screws, 10.0knots |
| Construction: | Steel |
| Reg Number: | 184731 |
| History: | |
| 20/11/1952 | Port of London Authority, London |
| 1974 | Holyhead Towing Co, Holyhead, Anglesey; renamed AFON LAS |
| 1988 | John G Thoroughgood, Liverpool; renamed ALYS ANN |
| 1991 | Western Ocean Towage Co Ltd, Plymouth; renamed TOWING MAN |
| 1992 | John G Thoroughgood, Liverpool |
| 1995 | Manassy Ltd (Thoroughgood), Kingstown (VCT); renamed ALYS ANN |
| 1995 | Tyne Towage Ltd, Newcastle |
| 1996 | Renamed TH DEV |
| 2003 | Svitzer Marine Ltd, Middlesbrough |
| 04/2006 | Broken up |
| Comments: | 1996: Re-built by Tyne Towage Ltd |
| 1998: Re-engined with 2 x diesel, 6cyl, GM Detroit, 1300bhp | |
| 2003: Tyne Towage Ltd including the premises and wharfage purchased by Svitzer Marine | |
| 2003: TH DEV was never operated by Svitzer Marine | |
| 2003 to 2006 Laid up on the Tyne | |
| 04/2006: Broken up by C & J Marine, Howdon |

Above photo as PLATEAU is courtesy of Alf Turner

Above photo as PLATEAU is courtesy of Alf Turner

Above photo as PLATEAU is courtesy of Alan Hughes

Above photo as AFON LAS is courtesy of Alf Turner

Above photo as AFON LAS is courtesy of Alan Hughes

Above photo as AFON LAS is courtesy of Alan Hughes

Above photo as TOWING MAN is copyright of Danny Lynch

Above photo as ALYS ANN is copyright of the Webmaster

Above photo as TH DEV is copyright of Kevin Blair

Above photo as TH DEV is copyright of Kevin Blair

Above photo as TH DEV is copyright of Ken Lubi

Above photo as TH DEV is copyright of the Webmaster