SHAMROCK 503

Tank Barge · Barge class · Built 2020s · USCG Heartland District (CGD-H) · Other hulls named SHAMROCK 503

SHAMROCK 503 is a 2020 tank barge. The Coast Guard has recorded 8 inspections since 2021, most recently in February 2026, along with 1 deficiency and 1 casualty investigation in 2021.

Records from 2021 to 2026. Most recent: inspection, 13 February 2026.

Built: 2020
Last inspected: 13 February 2026
Documentation: Valid · documentation file of 10 September 2026
Inspections: 8
Deficiencies: 1 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 1 investigation · 2021
Inspected with: 1 other vessel

Identity

1309616

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1645320

Flag

UNITED STATES

MMSI

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Maury page id

psix-1645320

Inspections, by type

…physical examinations7

…with no type recorded1

Years with a record 6 calendar years (2021–2026)

The 8 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

BuilderARCOSA MARINE PRODUCTS INC · ASHLAND CITY, TN, UNITED STATES · built 2020

Hull materialSteel

PropulsionNot recorded

Hull shapeBox

Hull configurationMonohull

Hailing portJASPER, TX

Trade endorsementsCoastwise, unrestricted

DocumentationValid · issued 23 January 2026 · expires 31 January 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
1012 - Displacement, Net Ton
1017 - Dead Weight, 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 · 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.

CJ STUDDERT Towing Vessel · MISLE 1424088 · 30 June 2021 · activity 7469994

Inspection history · 8

13 February 2026 COI Inspection · Internal Structural Exam · Examination of Repairs · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 8310525

25 March 2025 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 8099228

11 March 2024 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7877003

6 February 2023 Periodic Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7632962

4 January 2022 Annual Inspection · MTSA Verification · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7375296

30 June 2021 Damage Survey

Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7240426

30 June 2021 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7469994

27 January 2021 Drydock Exam · Administrative Inspection · Deadweight Survey · Hull Examination · Initial Certification · MTSA Verification · Internal Structural Exam · Initial Construction-Excluding Oversight · Cargo Tank Internal

Physical examination · Marine Safety Detachment Nashville · USCG Heartland District (CGD-H) · Activity 7109064

Deficiency record · 1

02 - Structural Conditions › N/A - No Subsystem › Other (Structural condition)

Issued 30 June 2021 Resolved

Vsl allided with Belle Chasse Bridge and shall provide damage survey report to the satisfcation of the local OCMI prior to movement.

Condition: Damaged By Earlier Event
Action required: 60 - Rectify deficiencies prior to movement
Due 13 July 2021
Resolved 30 June 2021
Resolution: Recieved damage survey report stating there was no damage to the barge.

Casualty record · 1

30 June 2021Routine · role: Involved in a Marine Casualty · at BELLE CHASE HWY BRIDGE · activity 7469994

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.