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SHAMROCK 901

Tank Barge · Barge class · Built 2010s · USCG Heartland District (CGD-H) · Other hulls named SHAMROCK 901 · BUFFALO MARINE SERVICE, INC. operator of record, 2023

SHAMROCK 901 is a 2012 tank barge. The Coast Guard has recorded 18 inspections since 2012, most recently in July 2025, along with 1 deficiency and 3 casualty investigations between 2020 and 2025.

Records from 2012 to 2025. Most recent: inspection, 23 July 2025.

Built: 2012
Last inspected: 23 July 2025
Documentation: Valid · documentation file of 10 September 2026
Inspections: 18
Deficiencies: 1 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 3 investigations · 2020–2025
Inspected with: 5 other vessels

Identity

1237389

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1161812

Flag

UNITED STATES

MMSI

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Maury page id

psix-1161812

Inspections, by type

…physical examinations13

…administrative events2

…with no type recorded3

Years with a record 13 calendar years (2012–2025)

The 18 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 Barge class in Maury's sources begin in 1972.

Documentation record

Registered dimensions (L × B × D)297.5 ft × 54.0 ft × 12.0 ft

Registered tonnagegross 1,619 / net 1,619

ITC dimensions (L × B × D)Not recorded

ITC tonnageNot recorded

BuilderTRINITY MARINE · MADISONVILLE, LA, UNITED STATES · built 2012

Hull materialSteel

PropulsionNot recorded

Hull shapeBox

Hull configurationMonohull

Hailing portHOUSTON, TX

Trade endorsementsCoastwise, unrestricted

DocumentationValid · issued 16 April 2026 · expires 28 February 2027

Service, as the file records itTank Barge

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

Tonnage as PSIX records it1619 - Simplified, Gross Ton
1619 - Simplified, 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

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 · 5

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 SAN ROBERTO Towing Vessel · MISLE 1381437 · 2 April 2025 · activity 8104315 FRANK JAHN Towing Vessel · MISLE 984954 · 20 March 2023 · activity 7663163 SHAMROCK 900 Tank Barge · MISLE 1161809 · 20 March 2023 · activity 7663163 SAN SALVADOR Towing Vessel · MISLE 1274252 · 20 March 2023 · activity 7663163 SAN PEDRO Towing Vessel · MISLE 1154276 · 4 December 2020 · activity 7108907 SHAMROCK 900 Tank Barge · MISLE 1161809 · 4 December 2020 · activity 7108907

Inspection history · 18

23 July 2025 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 8193091

2 April 2025 Type not recorded

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

21 June 2024 Administrative Inspection · Periodic Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7939767

30 June 2023 Administrative Inspection

Administrative · Sector Corpus Christi · USCG Heartland District (CGD-H) · Activity 7727453

23 June 2023 Annual Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7721506

20 March 2023 Type not recorded

No type recorded · Marine Safety Unit Texas City · USCG Heartland District (CGD-H) · Activity 7663163

24 March 2022 Cargo Tank Internal · COI Inspection · Drydock Exam · Examination of Repairs · MTSA Verification · Internal Structural Exam

Physical examination · Marine Safety Unit Port Arthur · USCG Heartland District (CGD-H) · Activity 7414092

26 April 2021 Administrative Inspection

Administrative · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7183136

4 December 2020 Type not recorded

No type recorded · Marine Safety Unit Texas City · USCG Heartland District (CGD-H) · Activity 7108907

26 March 2020 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6931712

11 April 2019 Periodic Inspection · MTSA Verification

Physical examination · Marine Safety Unit Texas City · USCG Heartland District (CGD-H) · Activity 6660562

26 March 2018 Administrative Inspection · Annual Inspection · MTSA Verification

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6378762

10 February 2017 MTSA Verification · Internal Structural Exam · Examination of Repairs · COI Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 6085853

1 April 2016 MTSA Verification · Annual Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 5845457

9 April 2015 MTSA Verification · Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 5099738

17 April 2014 MTSA Verification · Periodic Inspection

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 4833841

17 February 2012 Examination of Repairs

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 4244801

3 January 2012 Drydock Exam · Construction Oversight · Cargo Tank Internal · Initial Certification · Deadweight Survey · Internal Structural Exam · MTSA Verification

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 4235132

Deficiency record · 1

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Operation of machinery

Issued 12 July 2023 Resolved

Boilers, main and auxiliary machinery, and piping systems shall conform to the requirements of subchapter F (Marine Engineering) of this chapter, except as otherwise provided for in this subchapter. Oil leak from turbocharger assembly into air intake system on port cargo pump prime mover.

Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 26 July 2023
Resolved 13 July 2023
Resolution: CG Marine Inspector verified repairs through 3rd party repair technician. Attached technicians report. All SAT.

Casualty record · 3

4 December 2020Routine · role: Involved in a Marine Casualty · activity 7108907

20 March 2023Routine · role: Involved in a Marine Casualty · activity 7663163

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.