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SAN ROBERTO

Towing Vessel · Built 2010s · USCG Heartland District (CGD-H) · Other hulls named SAN ROBERTO · BUFFALO MARINE SERVICE, INC. operator of record, 2023

SAN ROBERTO is a 2016 towing vessel. The Coast Guard has recorded 17 inspections since 2016, most recently in October 2025, along with 4 deficiencies and 1 casualty investigation in 2025.

Records from 2016 to 2025. Most recent: inspection, 20 October 2025.

Built: 2016
Last inspected: 20 October 2025
Documentation: Valid · documentation file of 10 September 2026
Inspections: 17
Deficiencies: 4 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 1 investigation · 2025
Inspected with: 2 other vessels

Identity

1267909

—

WDI9265

1381437

Flag

UNITED STATES

MMSI

367746950

Maury page id

psix-1381437

Inspections, by type

…physical examinations12

…administrative events4

…with no type recorded1

Years with a record 9 calendar years (2016–2025)

The 17 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 13 September 2026, retrieved 18 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)84.2 ft × 32.0 ft × 11.0 ft

Registered tonnagegross 290 / net 231

ITC dimensions (L × B × D)84.2 ft × 32.0 ft × 11.0 ft

ITC tonnagegross 377 / net 113

BuilderSOUTHWEST SHIPYARD LP · HOUSTON, TX, UNITED STATES · built 2016

Hull materialSteel

PropulsionDiesel Reduction

Hull shapeShip

Hull configurationMonohull

Hailing portHOUSTON, TX

Trade endorsementsCoastwise, unrestricted

DocumentationValid · issued 19 May 2026 · expires 31 May 2027

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 it377 - Convention (Subpart B), Gross Ton
290 - Regulatory (Subpart C or D), Gross Ton
113 - Convention (Subpart B), Net Ton
231 - 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 September 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.

Radio station licence

WDI9265MMSI 367746950 · active · compulsorily equipped · granted 14 July 2026, expires 19 July 2036

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 · 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.

SHAMROCK 900 Tank Barge · MISLE 1161809 · 2 April 2025 · activity 8104315 SHAMROCK 901 Tank Barge · MISLE 1161812 · 2 April 2025 · activity 8104315

Inspection history · 17

20 October 2025 TPO Audit

Administrative · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8268146

2 April 2025 Type not recorded

No type recorded · Sector Corpus Christi · USCG Heartland District (CGD-H) · Activity 8104315

7 February 2024 Administrative Inspection · COI Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7862188

21 November 2023 Deficiency Check · Damage Survey

Physical examination · Sector Lower Mississippi · USCG Heartland District (CGD-H) · Activity 7828405

19 May 2023 Internal Structural Exam · Drydock Exam

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7700663

2 May 2023 Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7703675

8 February 2023 Administrative Inspection · TPO Audit

Administrative · Marine Safety Unit Port Arthur · USCG Heartland District (CGD-H) · Activity 7635211

2 May 2022 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7442657

13 April 2021 Annual Inspection

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7174349

20 November 2020 In-Service Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7100834

21 October 2020 Administrative Inspection

Administrative · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7081544

14 July 2020 Annual Inspection · Deficiency Check

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7006762

9 June 2020 Administrative Inspection · In-Service Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6972066

13 March 2019 Deficiency Check

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6641957

14 December 2018 Administrative Inspection · Initial Certification · MTSA Verification

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6625125

27 November 2018 Excursion Permit · Administrative Inspection

Administrative · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6587742

7 September 2016 Industry Initiated Exam · MTSA Verification

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 5996450

Deficiency record · 4

02 - Structural Conditions › N/A - No Subsystem › Steering gear

Issued 21 November 2023 Resolved

Machinery must be designed and maintained to provide for safe operation of the towing vessel and safety of persons onboard under normal and emergency conditions. Vessel experienced a reduction in propulsion due to an inoperable STBD Marine Gear HP Pump. Vessel shall make repairs to the satisfaction of the local OCMI. 46 CFR 143.205(a)

Action required: 60 - Rectify deficiencies prior to movement
Resolved 28 November 2023
Resolution: Received tech report stating mechanic resealed front of gear installed new coupling. Test ran and checked pressure and temperature.

09 - Working and Living Conditions › 092 - Working Conditions › Electrical

Issued 13 April 2021 Resolved

Electrical systems and equipment must function properly and minimize system failures and fire and shock hazards. Observed both generators on board to have welding cable installed from the starting batteries to the starters. Replace conductors to appropriate marine grade cable.

Action required: 60 - Rectify deficiencies prior to movement
Resolved 13 April 2021
Resolution: Crew replaced battery cables with marine grade conductor.

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine

Issued 14 December 2018 Resolved

Propulsion machinery, including main engines must be maintained to ensure proper operation. While underway conducting drills the vessel lost propulsion due to emergency fuel shut off valve being closed and main engines being air bound. Crew opened up valve and restored fuel source to both main engines.

Action required: 10 - Deficiency Rectified
Due 14 February 2019
Resolved 14 February 2019
Resolution: Crew restored fuel to the engines while underway.

07 - Fire Safety › N/A - No Subsystem › Ventilation

Issued 14 December 2018 Resolved

Spaces protected by CO2 shall have openings in upper portion of space closed off by permanent means or by use of other material normally carried by the vessel. Exhaust stack cover for the generator room is not closed off.

Action required: 50 - Rectify deficiencies w/in 30 days
Due 16 March 2019
Resolved 13 March 2019
Resolution: Received repair reciept and pictures that the exhaust cover is sufficiently closed off.

Casualty record · 1

2 April 2025Routine · role: Involved in a Marine Casualty · activity 8104315

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.