NOK Ostermoor 2005 / Hull
[Built under supervision of GL] 100 A5 E3
Offshore Supply Vessel, Tug
SOLAS-II-2,Reg.19
Equipped for Carriage of Oil Cargo

Machinery
[Built under supervision of GL] MC E3

Legend of Notations - see also GL-Rules e.g. I-Part 0, Classification and Surveys
E3 Ice strengthening
SOLAS-II-2,Reg.19 Dangerous Goods
Special Remarks
Anchor Equipment Special Equipment
Anchor(s) / Chains AK2 = Anchor and Chains according to GL-Rules, Chains made of special quality steel
Note for Anchor Equipment For high holding power anchors and for special anchor equipment see our Construction Rules.

Tonnage Type Convention'69
Length overall 70.16 m
Registered Length 63.07 m
Registered Breadth 14.00 m
Draught 6.303 m
Gross Tonnage 1740
Net Tonnage 522
Deadweight 1538.00 t (acc. to Owners' statement, of tankers as calculated by GL)
Ballastwater 1010 m3

Shipbuilder / Place Elsflether Werft AG / Elsfleth

Number of Watertight B) 6
Number of Continuous Deck(s) 2
Double Bottom Type Double bottom, continuous from peak to peak bulkhead
Longitudinal Frames Partly built on longitudinal frames
Special Annotation(s) Stern sheave, deep sea mooring winch, lowering bollard. Bollard pull 1059 kN (108 t)
Special Arrangements
1 Transvers thruster AQUAMASTER 718 kW, forward

Two Main Engine(s)
Year of Manufacture 1975
Manufacturer MaK Maschinenbau GmbH
Model 8 M 551 AK
Total Power 6958 kW
Type Diesel engine, four stroke single acting
Transmission Main propulsion acts through gear(s) on the propellershaft(s)
2 Gears, Type Reduction gear
Power each 3479 kW
Main Engine Rated Speed 425 min-1
Propeller Revolution 168 min-1
8 Cylinder(s), Diameter / Stroke 450 mm / 550 mm
Starter Type Compressed air
Propeller(s) / Speed
2 Propeller(s), Type Controllable pitch propeller, aft
Ship's Speed 15.00 kn
Electric Installation(s)
1 Plant 380 / 220 V with 956 kVA
Generator(s)
2 Diesel generators, each 384 kVA
1 Diesel generator 188 kVA
One Boiler(s)
Manufacturer GEKA Wärmetechnik Gottfried Kneifel GmbH & Co. KG
Year of Manufacture 1975
Boiler Type Thermal oil heater, oil fired
Max. allow. working pressure 10 bar
Heating Surface 24.8 m2
Compressed Air Receiver(s)
2 Receivers, each 1000 liters, 30 bar
2 Receivers, each 30 liters, 30 bar
2 Receivers, each 20 liters, 8 bar