SHAMROCK 504

The 7 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 2021

Hull materialSteel

PropulsionNot recorded

Hull shapeBox

Hull configurationMonohull

Hailing portJASPER, TX

Trade endorsementsCoastwise, unrestricted

DocumentationValid · issued 17 February 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
1017 - Dead Weight, Net Ton
1012 - Displacement, 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.

Inspection history · 7

16 March 2026 Administrative Inspection · Internal Structural Exam

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 8326976

7 January 2026 COI Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 8291319

18 March 2025 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 8095507

19 March 2024 Annual Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7882061

5 January 2023 Periodic Inspection · Administrative Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7617100

3 January 2022 Administrative Inspection · Annual Inspection

Physical examination · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 7375186

2 February 2021 Initial Construction-Excluding Oversight · Initial Certification · Cargo Tank Internal · Internal Structural Exam · Drydock Exam · MTSA Verification · Hull Examination · Administrative Inspection

Physical examination · Marine Safety Detachment Nashville · USCG Heartland District (CGD-H) · Activity 7109067

Deficiency record · 0

No deficiencies recorded against this vessel. This means none were written in the records covered — it is not a statement about the vessel's condition. What a recorded resolution is.

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.