MV Omni St Laurent
ex DHB Diligent
Roy Thornton Collection
Steel twin screw diesel engined tug built 1957 by P.K. Harris, Appledore. (Yard No 107) for the Dover Harbour Board.
Technical Data
- Length: 27.52m (99.27 ft)(overall), 26.8m (88 ft) (between perpendiculars)
- Breadth: 7.60m (24.11 ft)(Extreme)
- Draught: 3.04m (9.97 ft) maximum
- Tonnage: 161 gross, 30 net
- Engines: 2 x 8-cylinder 22.292 reverse reduction geared Lister/Blackstone & Co diesels
- Rated: 1,040 bhp
- Speed: 12.5 knots
- Bollard Pull: 21 tons
- Call Sign: MXXG, VOPN
- ID Number: 5090012
- Official Number: 185700
- Registry: Dover/UK 🇬🇧 , (1958 – ), Sorel P.Q./Canada 🇨🇦
- Sister Ship: Dominant (108)
History
July 2nd 1957: Launched. Named by Mrs R W Cook, the wife of the Harbour Master and did trials in Cardiff during the week before she arrived in Dover.
December 15th 1957: Completed and delivered to the Dover Harbour Board at Dover. She initially went straight into the Granville Dock.
© Ted Ingham (left) and the Roy Thornton Collection (right)
© John Hendy (11/08/1984)
© Kevin Hoggett
1984: To Frank Pearce (Tugs) Ltd at Poole
© Mike Sartin (both)
1984: To S. & H. Towage
© Brian Fisher (Tilbury 1986)
1989: To Les Remorquages Sorel Inc, manager Les Services Maritimes Genco Ltd at Sorel, PQ (Canada), renamed OMNI ST-LAURENT
2002: To Le Ocean Groupe Inc at Quebec
© Kent Malo
2008: Still in service.
September 23rd 2019: Sank at the Stephenville wharf in Newfoundland and Labrador, Canada. She was docked when she sank, although the exact cause is unclear. No one was on board at the time.
© Provided by Canadian Broadcasting Corporation
All information is believed to be correct and no responsibility is accepted for errors and omissions. We would like to thank: Brian Fisher, Kevin Hoggett, Ted Ingham, Kent Malo and Mike Sartin for their assistance in producing this feature.
Special thanks go to World Ship Society (East Kent Branch).














I would be grateful for use of the Roy Thornton photos of tug Diligent to add my model plan I am drawing of this tug for a UK model magazine. Naturally full ack. of source would be included.
Many thanks,
Jim
Hello James,
No problem.
I’ll dig out the original prints, scan them at a higher quality and send them on!
Rgds
Nigel Thornton
I am a very grateful for your cooperation, I can send you a few Clyde tugs in recompense.
regards, and all best for 2013
JiM
From Alan Knight
Alan,
Thanks for the information
The history was updated @ https://www.doverferryphotosforums.co.uk/diligent/
Rgds
Nigel Thornton