ITB 503

The ITB 503 was converted to a very versatile ramp equipped deck barge by Island Tug in 1998. At the same time the barge was completely and refurbished adding a helicopter landing pad and new hydraulic bow ramp. The 503 has been utilized as a helicopter support barge, cable-laying vessel, and coastal equipment barge. She has on board generators and hydraulics as well as two large capacity pumps for the ballast system and cable chute water wash system.

Stats Printable Info Card


Built: 1966, McKenzie Barge & Derrick Co. Ltd
Re-Built: 1998, Island Tug and Barge
Flag: Canada
Owner: Island Tug and Barge Ltd.
Official Number: 327815
IMO Number: 8646006
GRT: 772
NRT: 772
Port of Registry: Vancouver, BC


Transport Canada
Deck Barge

Dimensions / Capacities:

Length, overall: 51.21 m
Breadth, moulded: 14.63 m
Depth, moulded: 3.28 m
Deadweight: 1500 Tonnes
Lightship Disp.: 554 Tonnes
Lightship Draft: 0.75 m
Lightship Air Draft: 11.5 m
Full Load Disp.: 5190 Tonnes
Full Load Draft: 2.5 m
Full Load Air Draft: 9.75 m
Ballast Tank Capacity: 1500 m3
Ballast Tanks: 10



Type: 2 x Paramount Centrifugal
Capacity: 70 m3 per hour each; 140 m3 per hour total


Type: 1 x Blackmere Sliding Vane
Capacity: 10 m3 per hour

Main Machinery:

Hydraulic / Pump Set: 1 x Isuzu
Gen / Pump Set: 1x Isuzu

Special Features:

Bow Ramp
Reinforced Cargo Deck
Helicopter Deck
Side Walls