MIRIAM WALMSLEY COOPER

Towing Vessel · Built 1950s · USCG Heartland District (CGD-H)

MIRIAM WALMSLEY COOPER is a 1958 towing vessel. The Coast Guard has recorded 23 inspections since 1997, most recently in April 2026, along with 3 deficiencies and 6 casualty investigations between 1999 and 2025.

Records from 1997 to 2026. Most recent: inspection, 7 April 2026.

Built: 1958
Last inspected: 7 April 2026
Documentation: Valid · documentation file of 10 August 2026
Inspections: 23
Deficiencies: 3 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 6 investigations · 1999–2025
Inspected with: 16 other vessels

Identity

276928

—

WDB6267

74403

Flag

UNITED STATES

Maury page id

psix-74403

Inspections, by type

…physical examinations3

…administrative events4

…with no type recorded16

Years with a record 14 calendar years (1997–2026)

The 23 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.

Coast Guard record current through 23 August 2026, retrieved 5 September 2026 from PSIX. Every field on this page was recorded by the Coast Guard. Records for the Towing Vessel class in Maury's sources begin in 1980.

Documentation record

Registered dimensions (L × B × D)97.3 ft × 25.6 ft × 11.1 ft

Registered tonnagegross 213 / net 97

ITC dimensions (L × B × D)Not recorded

ITC tonnageNot recorded

BuilderJOHN H MATHIS CO · CAMDEN, NJ, UNITED STATES · built 1958

Hull materialSteel

PropulsionDiesel Reduction

Hull shapeUNSPECIFIED

Hull configurationUNSPECIFIED

Hailing portNEW ORLEANS, LA

Trade endorsementsCoastwise, unrestricted

DocumentationValid · issued 17 November 2025 · expires 31 December 2026

Service, as the file records itTowing Vessel

Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)

Tonnage as PSIX records it213 - Regulatory (Subpart C or D), Gross Ton
97 - Regulatory (Subpart C or D), Net Ton

Every line above is a field of the National Vessel Documentation Center's file as served by NOAA Fisheries, dated 10 August 2026, matched to this hull on its Official Number. Registered and ITC measurements are two systems and are never combined. One snapshot is held so far; documentation history begins with the next.

One vessel history report for this hull — every record on this page in one dated, citable document — $300, on request.

Inspected as a tow unit · 16

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.

Inspection history · 23

7 April 2026 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8344121

30 December 2025 Administrative Inspection

Administrative · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8288429

30 December 2025 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8288607

16 December 2025 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8284318

4 May 2025 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8128212

30 April 2025 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8124105

7 May 2024 TPO Audit

Administrative · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7911462

26 July 2021 Deficiency Check · Initial Certification · Administrative Inspection

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7268119

23 May 2021 TPO Audit

Administrative · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7205608

23 February 2017 Type not recorded

No type recorded · Station Venice · USCG Heartland District (CGD-H) · Activity 6093046

23 June 2014 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 4897576

28 September 2010 Industry Initiated Exam · MTSA Verification

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3861265

18 July 2005 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 2431129

8 July 2005 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 2430951

13 May 2005 Administrative Inspection

Administrative · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 2357052

26 August 2004 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 2177293

3 February 2002 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1484132

24 July 2000 Type not recorded

No type recorded · MSO Mobile · USCG Heartland District (CGD-H) · Activity 280426

26 February 1999 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 182796

17 August 1998 Type not recorded

No type recorded · MSO Mobile · USCG Heartland District (CGD-H) · Activity 419455

9 April 1998 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 665940

30 March 1998 Type not recorded

No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 4462

1 August 1997 MARPOL Annex I Examination · Uninspected Towing Vessel

Physical examination · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1120483

Deficiency record · 3

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Other (machinery)

Issued 10 September 2021 Resolved

Propulsion Machinery, including main engines, reduction gears, shafting, bearing and electrical equipment and systems must: (1) be maintained to ensure proper operation. MI found port shaft packing gland to be leaking excessively. Vessel already reported to USCG that the emergency shaft seal bladder had ruptured on this shaft. Vessel to adjust shaft packing to acceptable level for in port and underway operations. 46CFR143.205(c)

Action required: 16 - Rectify deficiencies w/in 14 days
Resolved 27 January 2022
Resolution: Received class report attesting to the replacement of the cutlass bearing and bladder on stbd shaft.

11 - Life Saving Appliances › N/A - No Subsystem › Lifebuoys incl. provision and disposition

Issued 10 September 2021 Resolved

Each lifebuoy on a towing vessel must: (1)Be approved under approval series 160.050 or 160.150. (4)Be marked in block capital letters with the name of the vessel. MI found several lifebuoys with faded or partially torn retro reflective tape and faded/non legible vessel name.

Action required: 16 - Rectify deficiencies w/in 14 days
Due 24 September 2021
Resolved 24 September 2021
Resolution: Life buoys properly marked and configured. All sat.

15 - Safety Management Systems (ISM) › N/A - No Subsystem › Masters responsibility and authority

Issued 10 September 2021 Resolved

The safety of the towing vessel is the responsibility of the master and includes Compliance with the applicable provisions of this sub-chapter; compliance with the TSMS. Vessel Master was unaware of TSMS requirements and multiple parts of the SMS. Company is required to provide training to master to ensure masters responsibilities are being enacted. Please provide a corrective action plan addressing the deficiency concerning the masters knowledge base on TSMS.

Action required: 16 - Rectify deficiencies w/in 14 days
Due 24 September 2021
Resolved 24 September 2021
Resolution: Received, reviewed and accepted Corrective Action Plan corresponding with the CG 835.

Casualty record · 6

26 February 1999Major Marine Casualty · role: Involved in a Marine Casualty · serious marine incident, as classified · activity 182796

3 February 2002Major Marine Casualty · role: Moored/Anchored in Vicinity of Primary Subject · serious marine incident, as classified · activity 1484132

23 June 2014Major Marine Casualty · role: Transiting Vicinity of Primary Subject · serious marine incident, as classified · activity 4897576

4 May 2025Routine · role: Involved in a Marine Casualty · activity 8128212

16 December 2025Routine · role: Involved in a Marine Investigation (non-casualty) · activity 8284318

30 December 2025Routine · role: Involved in a Marine Casualty · activity 8288607

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. 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.