Ship's Name RIA
Ex-Name(s) THEA K, MONI, CASTOR
GL-Register-No. 657
IMO-No. 5239503
Call Sign DDMJ
Flag Germany
Port of Registry Elsfleth
Owner Heinz-Georg Jacobs
Propulsion Motor Ship

Hull
[Built under supervision of GL] 100 A5 M E
General Cargo Ship

Machinery
[Built under supervision of GL] MC

Legend of Notations - see also GL-Rules e.g. I-Part 0, Classification and Surveys
M Restricted international service
E Ice strengthening
Special Remarks
Anchor(s) / Chains AK2 = Anchor and Chains according to GL-Rules, Chains made of special quality steel
Anchor Equipment No. / Numeral 13 / up 900 to 1020
2 Anchors, Weight total 1030 kg
Anchor Chain Length 275.00 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 46.42 m
Registered Length 42.20 m
Registered Breadth 8.50 m
Draught 2.690 m
Gross Tonnage 337
Net Tonnage 157
Deadweight 443.00 t (acc. to Owners' statement, of tankers as calculated by GL)
Ballastwater 126 m3
Fuel 14 m3

Shipbuilder / Place Gebr. Schürenstedt KG Schiffs- und Bootswerft / Berne
Yard Number 1207
Keellaying 1959-12-29
Launching 1960-04-28
Completion 1960-05
Forecastle 5.45 m
Poop 12.33 m
Number of Watertight Bulkhead(s) 3
Number of Continuous Deck(s) 1
Double Bottom Type Partly double bottom (e.g. interrupted in way of machinery space)
Largest Hatch Length = 20.12 m / Breadth = 5.50 m
Capacities - according to Owners' statements
Grain 634 m3
Bales 575 m3

Total Power 294 kW
Converted Power 221 kW
Transmission Main propulsion acts directly on the propellershaft
Starter Type Compressed air direct
One Main Engine(s)
Year of Manufacture 1960
Manufacturer MaK Maschinenbau Kiel GmbH
Model MSU 423
Type Diesel engine, four stroke single acting
Power 294 kW
Main Engine Rated Speed 370 min-1
6 Cylinder(s), Diameter / Stroke 290 mm / 420 mm
Propeller(s) / Speed
1 Propeller(s), Type Solid propeller, aft
Ship's Speed 9.00 kn
Electric Installation(s)
1 Plant 24 V with 10 kW
Generator(s)
1 Generator 4 kW
2 Main generators, each 3 kW
Compressed Air Receiver(s)
1 Receiver 500 liters, 30 bar
1 Receiver 250 liters, 30 bar