General Characteristics
Name: Class Number: IMO Number: Status:
TRANSOCEAN MARIANAS 7904130 8757960 In Operation, Active, Classed 

  Official Registry Number 2209
  Call Sign V7HC5
  Flag Name Republic of the Marshall Islands
  Port of Registration Majuro
  Date Of Registry
  Keel Laying Date 13 Aug 1978
  Delivery Date 01 Sep 1979
  Description Column Stabilized Drilling Unit
  Vessel Type Column Stabilized Unit
  MARPOL CATEGORY Not an Oil Tanker
  IBC_IGC CATEGORY Not Applicable
Previous Names
  Name From Date To Date
  P. PORTIA 16 Dec 1996 30 Jun 1998
  POLYPORTIA 07 Mar 1994 16 Dec 1996
  MSV THAROS   07 Mar 1994
Previous Flags
  Flag Name Port Name From Date To Date
  Republic of Panama Panama 19 May 2002 19 Jul 2005
  The Commonwealth of the Bahamas Nassau 16 Dec 1996 19 May 2002
  United Kingdom of Great Britain and Northern Ireland Aberdeen 11 Jan 1995 16 Dec 1996
ABS Class Notations
  A1, Column Stabilized Drilling Unit,
Additional Notations
Service Limit
  Unrestricted Service
ABS Safety, Quality and/or Environmental Standards :
International code for the security of the ships and of port facilities (ISPS Code), ABS Security Notation:
Anchor Equipment
  Equipment Numeral U-42
Other Info
  Rapid Response Program No
Principal Characteristics
  Overall Length(M) 91.44
  Overall Breadth(M) 75.8952
  Overall Depth(M) 34.7472
  Estimated Gross Tonnage 20461
  Regulation Gross Tonnage Net Tonnage
  ITC 20461 (Registered) 6138 (Registered)
Builder Customer Number Builder Building ID Builder Role Project Description Contractual Responsibility Contract Date
MITSUBISHI HEAVY INDUSTRIES LTD. 079386 241018 Prime Build     14 Jul 1978
Freeboard Assignments
  Freeboard Deadweight(tonnes) Calculated Freeboard(mm) State
  Conventional Freeboard from Ring 12352 Active
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