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TRINITY SEAL

Offshore Supply Vessel · Offshore class · Built 1970s · USCG Heartland District (CGD-H)

TRINITY SEAL is a 1972 offshore supply vessel. The Coast Guard has recorded 44 inspections since 1982, most recently in September 2007, along with 22 deficiencies and 2 casualty investigations between 2005 and 2007.

Records from 1982 to 2007. Most recent: inspection, 6 September 2007.

Built
1972
Last inspected
6 September 2007
Documentation
Not in the documentation file of 10 September 2026
Inspections
44
Deficiencies
22 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
2 investigations · 2005–2007
Inspected with
1 other vessel

Identity

US Official No.
537716
IMO number
—
Call sign
WCX6641
MISLE id
47097
Flag
UNITED STATES
MMSI
367305060 (licence lapsed)
Maury page id
psix-47097

Inspections, by type

…physical examinations25
…administrative events3
…with no type recorded16
Years with a record 20 calendar years (1982–2007)
The 44 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 19 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 it259 - Regulatory (Subpart C or D), Gross Ton
604 - Convention (Subpart B), Gross Ton
176 - Regulatory (Subpart C or D), Net Ton
181 - Convention (Subpart B), Net 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

WCX6641MMSI 367305060 · expired · compulsorily equipped · granted 26 July 2007, cancelled 7 October 2017
WCW6892MMSI not assigned · expired · voluntarily equipped · granted 20 June 1996, cancelled 26 August 2006
FCC Universal Licensing System ship-station file of 6 September 2026, matched to this hull on its US Official Number. Status and dates are the file’s own. The licensee is not read from the file and is not shown. A lapsed licence’s MMSI is still the number the vessel transmitted under while it was valid.

Inspected as a tow unit · 1

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.

ENSCO 51 Mobile Offshore Drilling Unit · MISLE 53557 · 26 September 1997 · activity 178561

Inspection history · 44

6 September 2007 Type not recorded
No type recorded · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 3054947
6 July 2006 Type not recorded
No type recorded · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 2703410
3 July 2006 Hull Examination · Annual Inspection · Internal Structural Exam · MTSA Verification
Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 2692728
4 May 2006 Type not recorded
No type recorded · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 2687950
4 May 2005 COI Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 2347765
24 March 2005 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2318485
18 January 2005 Damage Survey · Examination of Repairs
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 2276474
15 January 2005 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2276550
17 August 2004 Deficiency Check
Physical examination · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2168379
29 July 2004 MTSA Verification · Annual Inspection
Physical examination · MIDET HARVEY CANAL DETAIL · USCG Heartland District (CGD-H) · Activity 2148728
12 January 2004 Security Plan Review - ASP
Administrative · Marine Safety Center (MSC) · Activity 1982748
14 May 2003 Re-Inspection · Hull Examination
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1792495
13 September 2002 Administrative Inspection
Administrative · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1695079
30 July 2002 Re-Inspection
Physical examination · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1654384
11 June 2001 Re-Inspection · Hull Examination
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1382347
4 May 2000 COI Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1439031
1 July 1999 Re-Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1375838
6 May 1999 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 793965
22 January 1999 Deficiency Check
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 788445
9 September 1998 Type not recorded
No type recorded · MSO Corpus Christi · USCG Heartland District (CGD-H) · Activity 97716
8 May 1998 Hull Examination · COI Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1383836
26 September 1997 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 178561
25 September 1997 Damage Survey
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1437299
27 August 1997 Administrative
Administrative · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1120974
31 July 1997 Re-Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1404426
6 June 1996 Hull Examination · COI Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1437093
1 October 1994 Damage Survey
Physical examination · MSO MIAMI · USCG Southeast District (CGD-SE) · Activity 1178793
30 September 1994 Type not recorded
No type recorded · MSO MIAMI · USCG Southeast District (CGD-SE) · Activity 131348
25 July 1994 Deficiency Check
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 861199
23 June 1994 COI Inspection · MARPOL Annex V Examination
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1394180
15 September 1993 Deficiency Check
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 836148
10 August 1993 Re-Inspection
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 845209
30 July 1993 Type not recorded
No type recorded · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1458099
7 July 1992 COI Inspection
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1261243
24 June 1992 Hull Examination
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 962505
15 July 1991 Re-Inspection
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 938956
16 July 1990 Type not recorded
No type recorded · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1219444
13 July 1990 Deficiency Check
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1243852
6 June 1990 Hull Examination · COI Inspection
Physical examination · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 913635
26 July 1984 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1008082
25 January 1984 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 971300
25 January 1984 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1278969
23 January 1983 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 967928
10 January 1982 Type not recorded
No type recorded · MIO HOUSTON · USCG Heartland District (CGD-H) · Activity 1279690

Deficiency record · 22

Construction/Loadline › Hull › Hull Plating
Issued 18 January 2005 Resolved
Proceed directly to local shipyard and effect repairs to #4 ballast tank and #6 and #9 stbd fuel tanks.
Action required: 705 - Other - as specified
Due 15 February 2005
Resolved 20 January 2005
Personnel › Training › Familiarization Training
Issued 29 July 2004 Resolved
Vessel Security Officer needs to become familiar with Vessel Security Plan and requirements as per 33 CFR 104.
Due 29 August 2004
Resolved 17 August 2004
Engineering › Lubricating Oil Service System › Pump
Issued 29 July 2004 Resolved
Replace box for Starboard MDE pre-lube pump.
Due 29 August 2004
Resolved 17 August 2004
Stability › Watertight Integrity › General
Issued 29 July 2004 Resolved
Replace glass on port side bridge wing door.
Due 29 August 2004
Resolved 17 August 2004
Electrical › Lighting (service) › Lighting Branch Circuit
Issued 29 July 2004 Resolved
Replace wiring on starboard light leading out of engineroom to ermergency escape hatch. Also, re-hang wire on portside light leading out of engineroom emergency escape hatch.
Due 29 August 2004
Resolved 17 August 2004
Engineering › Fuel Oil Service System › Filter
Issued 29 July 2004 Resolved
On starboard MDE, fix racor filter leaks so drip pan is not necessary.
Due 29 August 2004
Resolved 29 August 2004
Resolution: Fixed while onboard.
Engineering › Freshwater System (jacketwater cooling) › Pump
Issued 29 July 2004 Resolved
On Port MDE, fix water pump leak.
Due 29 August 2004
Resolved 17 August 2004
Communications › Alarms/Indicators
Issued 30 July 2002 Resolved
Vessel does not have Propeller Shaft tachometers installed on the bridge as required by NVIC 1-78. Vessel required to install shaft tachs by dry dock 30 May 2003. LEGACY COMPONENT DESC: Propeller Revolutions Rate Indicator
Condition: Unknown
Action required: 705 - Other - as specified
Due 30 May 2003
Resolved 23 May 2003
Resolution: Tachometers installed.
Documentation
Issued 8 May 1998 Resolved
SUBMIT ENGINEERING AUTOMATION PROCEDURES TO USCG FOR APPROVAL/REVIEW. PROVE AT NEXT REINSPECTION.
Condition: Unknown
Due 8 May 1998
Resolved 8 May 1998
Documentation
Issued 8 May 1998 Resolved
SUBMIT FOR APPROVAL UPDATED FIRE CONTROL PLAN.
Condition: Unknown
Due 8 May 1998
Resolved 8 May 1998
Electrical
Issued 31 July 1997 Resolved
INSTALL EXPLOSION PROOF LIGHTS IN PAINT LOCKER AND SEWAGE ROOM.
Condition: Unknown
Due 31 July 1997
Resolved 31 July 1997
Electrical
Issued 31 July 1997 Resolved
INSTALL COVER ON FLOURESCENT OVERHEAD LIGHT IN MATE'S STATEROOM.
Condition: Unknown
Due 4 August 1997
Resolved 4 August 1997
Lifesaving
Issued 31 July 1997 Resolved
REPLACE HAND LINES ON RESCUE BOAT.
Condition: Unknown
Due 31 July 1997
Resolved 31 July 1997
Lifesaving
Issued 23 June 1994 Resolved
PROVE PROPER OPERATION OF GENERAL ALARM BELL LOCATED ON O1 DECK.
Condition: Unknown
Due 23 July 1994
Resolved 6 September 1994
Construction/Loadline
Issued 23 June 1994 Resolved
MAKE PERMANENT REPAIRS TO WASTED AREA OF BULKHEAD BETWEEN CENTER AFT BALLAST TANK AND AFTER STEERING.
Condition: Unknown
Due 23 July 1994
Resolved 6 September 1994
Construction/Loadline
Issued 23 June 1994 Resolved
GAGE STERN RAMP MAIN DECK AND SUBMIT REPORT FOR REPAIR DETERMINATION.
Condition: Unknown
Due 23 July 1994
Resolved 6 September 1994
Lifesaving
Issued 10 August 1993 Resolved
PROVIDE ONE ADDTIONAL INFLATABLE LIFERAFT ONBOARD IN ACCORDANCE WITH 46 CFR94.10-55(1)(ii).
Condition: Unknown
Due 16 September 1993
Resolved 16 September 1993
Documentation
Issued 6 June 1990 Resolved
SUBMIT FOR APPROVAL, GENERAL ARRANGEMENT PLAN.
Condition: Unknown
Due 6 June 1990
Resolved 6 June 1990
Engineering
Issued 6 June 1990 Resolved
REPLACE SIGHT GLASSES FOR OIL SERVICE TO FIRE RESISTANT MATERIAL FROM PLASTIC.
Condition: Unknown
Due 6 June 1990
Resolved 6 June 1990
Navigation
Issued 6 June 1990 Resolved
REPLACE BOLTS OFF YOKE TO RUDDER POST WITH ONES OF PROPER LENGTH.
Condition: Unknown
Due 6 June 1990
Resolved 6 June 1990
Fire Fighting
Issued 6 June 1990 Resolved
REPAIR RESET SWITCH TO FIRE PUMP MOTOR CONTROLLER.
Condition: Unknown
Due 6 June 1990
Resolved 6 June 1990
Construction/Loadline
Issued 6 June 1990 Resolved
REPAIR BREAK IN DISCHARGE SIDE OF BALLAST PUMP.
Condition: Unknown
Due 6 June 1990
Resolved 6 June 1990

Casualty record · 2

15 January 2005Routine · role: Suspected Pollution Source · activity 2276550
6 September 2007Routine · role: Involved in a Marine Casualty · activity 3054947
Each line is an incident investigation the Coast Guard recorded with this hull among the vessels involved, with the date and the classification the Coast Guard gave it, and the bridge, lock or dam the investigation names where it names one. Involvement is not fault. The investigation narrative is not published. Source: IIR, through 2026.

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.