The following details are courtesy of "The Tuglist" database prepared in Belgium by Piet Van Damme.
Registered: LR47-48:04776 /LR50-51:52197 /LR66-67:503008
(GBR)ON 138147
102 GRT, 50 NRT, (82'(75.9')x20.1'x7.6')
1 scr, diesel 6cyl Enterprise type DMG-36, 1150bhp
re-engined 1996 diesel Caterpillar type 398 (from dredge 'Niagara II')
re-engined 1996 diesel GM Detroit type 12V-149T
2 scr +nozzle, re-engined 2005-2006 2x diesel, 2000bhp total
ATOMIC
1945: Built by "Russel Bros Ltd" at Owen Sound, Ont.(CAN) (YN 102)
(completed as a cancelled WW2 Glen class naval tug)
1945: delivered to "McQueen Marine Ltd" at Amherstburg, Ont.(CAN)
(GBR flag, regd Amherstburg, ON 138147, c/s VXSL)
194x (by 1947): mng J.E. McQueen at Amherstburg (CAN)
195x: (GBR flag, regd Amherstburg, ON 138147, c/s VYJQ)
1979: sold after failing to "Great Lakes Marine Services" (CAN)
1996: re-engined diesel Caterpillar type 398 (from dredge 'Niagara II'), which broke down soon because of sinking damage
1996: re-engined diesel GM Detroit type 12V-149T
200x: To "McKeil Marine Ltd" at Hamilton, Ont.(CAN)
200x: To"Nadro Marine Services Ltd" at Port Dover, Ont. (CAN)
2005-2006: rebuilt, converted to 2 scr +nozzle, re-engined 2x diesel, 1x diesel GM Detroit type 12V-149T added, 2000bhp total
2006: renamed JARRET M.