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Imperial Oil Shipping Co., Ltd.
I.O. Ltd. No. 7 - (1948-1959)
 
"I.O. Ltd. No. 7" was a tankbare build in 1942 by Trenton, Ontario, for ????. First registered in 1948, for
Imperial Oil, Ltd., Sarnia, Ont. Canada. Sold in 1959, as "Charles D." to Port Colborne Iron Works, Ltd.
Port Colborne, Ont. Canada, sold in 1981 to Canadian Dredge & Dock, Ltd., Toronto, Ont. Canada and
renamed as "Workboat No. 11"". Sold in 1982 as "Nimia Tambora".
No longer registered in Canada..

Registry and Rig Information
Vessel Name
I.O. LTD. No. 7
Nationality
CANADA
Official Number
179325
Rig
Workboat
Dimensions and Tonnage
Vessel Length:
75.00 feet.
Gross Tonnage:
75.00
Vessel Width:
18.00 feet
Net Tonnage:
0.00
Vessel Depth:
6.58 feet
Hull Material:
Steel
Masts:
Hull Number:

Vessel History
Builder
Trenton, Ontario 1942

Ownership Changes
Date
Registry
Official #
Imperial Oil, Ltd.
Sarnia, Ont. Canada
1948
CANADA
179325
Port Colborne Iron Works, Ltd.
Port Colborne, Ont. Canada
- 1959
CANADA
179325
Canadian Dredge & Dock, Ltd.
Toronto, Ont. Canada
1959
CANADA
179325

Vessel Name Changes
Date
Registry
Official #
CHARLES D.
- 1959
CANADA
179325
WORKBOAT No. 11
1959- 1981
CANADA
179325
NIMIA TAMBORA
1982
CANADA
179325

Rebuilds
No Rebuild Information Available
History
First registered in 1948.
Disposition
No longer registered in Canada.