Very very nice :-P
Ship's Name SARKU SEMANTAN
Ex-Name(s) SARKU SEMENTA, OSA LERWICK, NIEDERNTOR
GL-Register-No. 7257
IMO-No. 7349431
Call Sign 9WDW2
Flag Malaysia
Port of Registry Kuching
Owner Sarku Marine Sdn. Bhd.
Radio Installation Telephony M/F short; Telephony H/F; Telephony V.H.F.
Nautical Equipment Echo Sounder; Automatic Steering; Gyro Compass
Radio Navigation Equipment Radar; Navigator
Propulsion Motor Ship

Hull
[Built under supervision of GL] 100 A5
Offshore Supply Vessel

Machinery
[Built under supervision of GL] MC

Special Remarks
Anchor Equipment Special Equipment
Anchor(s) / Chains AK2 = Anchor and Chains according to GL-Rules, Chains made of special quality steel
Anchor Equipment No. / Numeral 116 / up 500 to 550
3 Anchors, Weight each 1590 kg
Anchor Chain Length 412.50 m
Note for Anchor Equipment For high holding power anchors and for special anchor equipment see our Construction Rules.

Tonnage Type Convention'69
Length overall 56.04 m
Registered Length 51.96 m
Registered Breadth 14.00 m
Draught 5.138 m
Gross Tonnage 1467
Net Tonnage 441
Deadweight 1330.00 t (acc. to Owners' statement, of tankers as calculated by GL)

Shipbuilder / Place Gutehoffnungshütte Sterkrade AG Rheinwerft Walsum / Duisburg
Yard Number 1110
Keellaying 1973-07-31
Launching 1973-11
Completion 1974-02
Alteration(s) Ship converted 1985-01
Number of Watertight Bulkhead(s) 6
Number of Continuous Deck(s) 2
Double Bottom Type Partly double bottom (e.g. interrupted in way of machinery space)
Longitudinal Frames Partly built on longitudinal frames
Special Arrangements
Wing Tanks Installed Yes
1 Transvers thruster JASTRAM forward

Two Main Engine(s)
Year of Manufacture 1973
Manufacturer Motoren-Werke Mannheim AG
Model TBD 441 V 12
Total Power 2574 kW
Type Diesel engine, four stroke single acting
Transmission Main propulsion acts through gear(s) on the propellershaft(s)
2 Gears, Type Reverse-reduction gear
Power each 1287 kW
Main Engine Rated Speed 900 min-1
Propeller Revolution 225 min-1
12 Cylinder(s), Diameter / Stroke 230 mm / 270 mm
Starter Type Compressed air
Propeller(s) / Speed
2 Propeller(s), Type Solid propeller, aft
Ship's Speed 14.80 kn
Electric Installation(s)
1 Plant 380 / 220 V with 720 kVA
Generator(s)
3 Diesel generators, each 140 kVA
1 Diesel generator 300 kVA
Compressed Air Receiver(s)
1 Receiver 10 liters, 200 bar
2 Receivers, each 500 liters, 30 bar
1 Receiver 30 liters, 30 bar

Larrie
The OSA Lerwick is now sailing in Malaysia as Sarku Semantan, http://www.sarku.com.my/Website2004Nov/Vessels/Sarku%20Semantan.htm
Ko Rusman