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TRANSOCEAN MARIANAS

Mobile Offshore Drilling Unit · Offshore class · Built 1970s · USCG Heartland District (CGD-H)

TRANSOCEAN MARIANAS is a 1978 mobile offshore drilling unit. The Coast Guard has recorded 51 inspections since 1998, most recently in March 2010, along with 11 deficiencies.

Records from 1998 to 2010. Most recent: inspection, 10 March 2010.

Built
1978
Last inspected
10 March 2010
Documentation
Not in the documentation file of 10 September 2026
Inspections
51
Deficiencies
11 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Inspected with
2 other vessels

Identity

US Official No.
—
IMO number
8757960 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
V7HC5
MISLE id
452969
Flag
UNITED STATES
MMSI
—
Maury page id
psix-452969

Inspections, by type

…physical examinations5
…administrative events30
…with no type recorded10
Years with a record 13 calendar years (1998–2010)
The 51 inspections in the strip above, split by the kind of activity the US Coast Guard recorded. Years with a record are calendar years in which a record exists, not years in service. What Maury does not do.

This record may be incomplete: the most recent inspection recorded for this vessel was 16 years ago. Maury shows what the Coast Guard recorded, not whether the vessel has been inspected since, is still in service, or what condition it is in. Coast Guard record current through 13 September 2026, retrieved 18 September 2026 from PSIX. Every field on this page was recorded by the Coast Guard. Records for the Offshore class in Maury's sources begin in 1978.

Documentation record

Tonnage as PSIX records it6138 - Regulatory (Subpart C or D), Net Ton
20401 - Regulatory (Subpart C or D), Gross Ton
This hull's Official Number is not in the NVDC file dated 10 September 2026 as served by NOAA Fisheries, so no documentation record is shown. Absence from that file is a fact about the file, not about the hull.

Radio station licence

No FCC ship-station licence is recorded against this Official Number in the file of 6 September 2026. That is a fact about the licence file, not about the radio.

Inspected as a tow unit · 2

The Coast Guard recorded this vessel and the following in the same inspection activity — normally a tug and the barges in its tow. A recreational or unclassed hull in the same activity is held and not published, so it does not appear here: these lists are a floor, not a complete manifest.

NFE ZERO Offshore Supply Vessel · MISLE 938973 · 10 March 2010 · activity 3910656JOAN CHOUEST Offshore Supply Vessel · MISLE 53697 · 5 December 1998 · activity 171646

Inspection history · 51

10 March 2010 Type not recorded
No type recorded · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 3910656
2 February 2010 Type not recorded
No type recorded · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 4200821
23 December 2009 COC-MODU Renew
Type not classified · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 3662050
9 December 2009 Administrative Inspection
Administrative · Sector Mobile · USCG Heartland District (CGD-H) · Activity 3647405
8 January 2009 COC-MODU Annual
Type not classified · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3390996
3 January 2008 COC-MODU Renew
Type not classified · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 3124085
26 July 2007 COC-MODU Renew
Type not classified · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 3007718
30 October 2006 Ballast Water Examination · COC-MODU Annual
Physical examination · Sector Corpus Christi · USCG Heartland District (CGD-H) · Activity 2810903
10 May 2006 Type not recorded
No type recorded · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 2657677
7 October 2005 Administrative Inspection
Administrative · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 2509901
29 July 2005 COC-MODU Renew
Type not classified · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2445970
27 June 2005 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2415521
24 August 2004 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2195019
22 July 2004 COC-MODU Renew
Type not classified · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 2117723
28 August 2003 Annual Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1891039
20 March 2003 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1760088
8 January 2003 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1727750
28 August 2002 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1667589
26 August 2002 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1666513
23 July 2002 Certificate of Compliance
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1662794
20 July 2002 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1678442
15 May 2002 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1616949
20 April 2002 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1607038
22 March 2002 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1601386
27 January 2002 Administrative Inspection
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1481632
1 December 2001 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 772680
23 September 2001 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1073597
25 July 2001 Letter of Compliance (Initial/Renewal)
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1452838
5 March 2001 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1059493
11 August 2000 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 823754
27 July 2000 Letter of Compliance (Initial/Renewal)
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1462874
13 May 2000 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1049460
15 March 2000 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 815519
28 February 2000 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1046470
20 January 2000 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 814062
15 December 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 812934
12 November 1999 Administrative
Administrative · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 806955
1 November 1999 Deficiency Check
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 796532
30 September 1999 Type not recorded
No type recorded · MSO Mobile · USCG Heartland District (CGD-H) · Activity 47780
24 September 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1345982
21 September 1999 Deficiency Check
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1034918
14 September 1999 Deficiency Check
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1118799
12 August 1999 Letter of Compliance (Initial/Renewal)
Administrative · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1437585
11 June 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 808490
12 May 1999 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 102364
29 April 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1126977
11 March 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 808969
7 January 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 809965
5 December 1998 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 171646
18 August 1998 Letter of Compliance (Initial/Renewal)
Administrative · MSO Corpus Christi · USCG Heartland District (CGD-H) · Activity 1452430
3 August 1998 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 795808

Deficiency record · 11

Fire Fighting › Fixed Fire Detection System
Issued 28 August 2003 Resolved
Repair fault indications with fixed fire detection system. LEGACY COMPONENT DESC: Control Panel
Due 12 September 2003
Resolved 30 September 2003
Resolution: Rcvd numerous E-mails from Barge Supervisors [name withheld] and Brett Patton on the status of outstanding requirements. As of 30SEP03, all requirements were corrected per the Barge Supervisor.
Fire Fighting › Structural - A Class Divisions
Issued 28 August 2003 Resolved
Repair A-Class bulkhead cable penetration leading from laundry to change room. LEGACY COMPONENT DESC: Bulkheads - Aux Spaces (moderate fire risk)
Due 12 September 2003
Resolved 30 September 2003
Resolution: Rcvd numerous E-mails from Barge Supervisors [name withheld] and Brett Patton on the status of outstanding requirements. As of 30SEP03, all requirements were corrected per the Barge Supervisor.
Electrical › Lighting (emergency)
Issued 28 August 2003 Resolved
Repair emergency lights over lifeboat(s) #1, 4, and 6. LEGACY COMPONENT DESC: Lighting Fixture
Due 12 September 2003
Resolved 30 September 2003
Resolution: Rcvd numerous E-mails from Barge Supervisors [name withheld] and Brett Patton on the status of outstanding requirements. As of 30SEP03, all requirements were corrected per the Barge Supervisor.
Lifesaving › Lifeboat
Issued 28 August 2003 Resolved
Repair #3 lifeboat starter. LEGACY COMPONENT DESC: Propulsion Starting System
Due 12 September 2003
Resolved 30 September 2003
Resolution: Rcvd numerous E-mails from Barge Supervisors [name withheld] and Brett Patton on the status of outstanding requirements. As of 30SEP03, all requirements were corrected per the Barge Supervisor.
Accommodation/Occupational Safety › Occupational Safety
Issued 28 August 2003 Resolved
Repair eyewash station near mud lab.
Due 12 September 2003
Resolved 30 September 2003
Resolution: Rcvd numerous E-mails from Barge Supervisors [name withheld] and Brett Patton on the status of outstanding requirements. As of 30SEP03, all requirements were corrected per the Barge Supervisor.
Engineering › Freshwater System (jacketwater cooling)
Issued 28 August 2003 Resolved
Repair leaking cooling pipe flange in the #1 engine room to the satisfaction of the administration. LEGACY COMPONENT DESC: Piping
Due 12 September 2003
Resolved 30 September 2003
Resolution: Rcvd numerous E-mails from Barge Supervisors [name withheld] and Brett Patton on the status of outstanding requirements. As of 30SEP03, all requirements were corrected per the Barge Supervisor.
Lifesaving
Issued 25 July 2001 Resolved
Conduct test of ESD when operations permit safe test.
Condition: Unknown
Due 25 September 2001
Resolved 6 August 2001
Electrical
Issued 12 August 1999 Resolved
Prove proper operation of total rig shutdown. Requirement may be cleared with certification from OIM to PATMs CG.
Condition: Unknown
Due 12 August 1999
Resolved 12 August 1999
Engineering
Issued 12 August 1999 Resolved
Prove proper operation of #4 Emergency shutdown for fuel oil transfer pumps. Certification from the OIM to PATMS Coast Guard will clear this item.
Condition: Unknown
Due 26 August 1999
Resolved 17 August 1999
Accommodation/Occupational Safety
Issued 12 August 1999 Resolved
Make repairs to toilets main deck accommodations spaces. Only 1 of 4 working at present.
Condition: Unknown
Due 12 August 1999
Resolved 12 August 1999
Documentation
Issued 12 August 1999 Resolved
Provide copy of MODU Safety Certificate when re-issued by Class. Current Certificate to expire 31Aug99.
Condition: Unknown
Due 12 August 1999
Resolved 12 August 1999

Ownership record

The Coast Guard's documentation record for this hull -- the Abstract of Title, with its owners and liens as filed -- is not in PSIX. Ask, and Maury buys it from the National Vessel Documentation Center, files it here with its date, and every reader of this page gets it.