| Name: | MOD BARGE 1713 (U) |
| Type: | Barge |
| Launched: | 18/03/1980 |
| Completed: | 05/1980 |
| Builder: | Clelands Shipbuilders Ltd |
| Yard: | Willington Quay, Wallsend |
| Yard Number: | 349 |
| Dimensions: | 242grt, 30.47 x 8.00 x ?metres |
| Engines: | None |
| Engines by: | n/a |
| Propulsion: | n/a |
| Construction: | Steel |
| Reg Number: | n/a |
| History: | |
| 05/1980 | Ministry of Defence |
| 28/03/1996 | Northburn Industries; renamed NORTECH 3 |
| 2008 | Sharon Guile, Port Werbergh |
| 2010 | The Vine Trust, Leith |
| 10/2011 | Renamed TOM DUNN |
| Comments: | 05/1980: Used as a sullage/separator lighter |
| Capacity of 250tons. Based at Rosyth | |
| 2008: For proposed conversion to a houseboat | |
| 2011: Converted into an office and exhibition facility | |
| Renamed in honour of the Trust's volunteer naval architect |
Above photo showing NORTECH 3 at Gravesend, dated 29/06/2001, is copyright of Roger Hammond
Above photo showing NORTECH 3 at Canvey Island, dated 24/07/2001, is copyright of Martin Klingsick
Above photo showing the arrival of NORTECH 3 at Leith is copyright of Calum Munro
Above photo as TOM DUNN is copyright of Vine Trust
Above photo as TOM DUNN is copyright of Stuart McMahon