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U 798

Freight Barge · Barge class · Built 1990s · USCG East District (CGD-E) · Other hulls named U 798 · MCDONOUGH MARINE SERVICE (DIV. OF MARMAC CORPORATION) operator of record, 2023

U 798 is a 1998 freight barge. The Coast Guard has recorded 14 inspections since 1999, most recently in August 2018, along with 3 casualty investigations between 2005 and 2018.

Records from 1999 to 2018. Most recent: inspection, 12 August 2018.

Built
1998
Last inspected
12 August 2018
Documentation
Valid · documentation file of 10 September 2026
Inspections
14
Deficiencies
0 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
3 investigations · 2005–2018
Inspected with
10 other vessels

Identity

US Official No.
1068524
IMO number
—
Call sign
—
MISLE id
478150
Flag
UNITED STATES
MMSI
—
Maury page id
psix-478150

Inspections, by type

…physical examinations4
…administrative events4
…with no type recorded6
Years with a record 10 calendar years (1999–2018)
The 14 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.

This record may be incomplete: the most recent inspection recorded for this vessel was 8 years ago. Maury shows what the Coast Guard recorded, not whether the vessel has been inspected since, is still in service, or what condition it is in. 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)172.7 ft × 54.0 ft × 12.5 ft
Registered tonnagegross 850 / net 255
ITC dimensions (L × B × D)172.7 ft × 54.0 ft × 12.5 ft
ITC tonnagegross 850 / net 255
BuilderNEWPARK SHIPBUILDING · HOUSTON, TX, UNITED STATES · built 1998
Hull materialSteel
PropulsionNot recorded
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portNEW ORLEANS, LA
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 13 April 2026 · expires 30 April 2027
Service, as the file records itFreight Barge
Hull formbarge (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it850 - Convention (Subpart B), Gross Ton
255 - Convention (Subpart B), 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 · 10

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.

U 800 Freight Barge · MISLE 585003 · 12 August 2018 · activity 6526954KAREN KOBY Towing Vessel · MISLE 1099480 · 12 August 2018 · activity 6526954POTOMAC Towing Vessel · MISLE 206443 · 30 June 2016 · activity 5931804DON F RAE Towing Vessel · MISLE 1268191 · 30 June 2016 · activity 5931804NAVIGATOR Towing Vessel · MISLE 202040 · 12 January 2005 · activity 2274146U 795 Freight Barge · MISLE 346850 · 3 October 2002 · activity 1688639CAPE HATTERAS Offshore Supply Vessel · MISLE 357334 · 3 October 2002 · activity 1688639HELEN Towing Vessel · MISLE 19612 · 6 December 2001 · activity 134215MISS PEYTON Towing Vessel · MISLE 195329 · 12 September 1999 · activity 168609MISS CAROLINE Towing Vessel · MISLE 203538 · 12 September 1999 · activity 168609

Inspection history · 14

12 August 2018 Type not recorded
No type recorded · Sector Virginia · USCG East District (CGD-E) · Activity 6526954
30 June 2016 Type not recorded
No type recorded · Sector New York · USCG Northeast District (CGD-NE) · Activity 5931804
23 August 2010 MARPOL Annex I Examination
Physical examination · Sector Virginia · USCG East District (CGD-E) · Activity 3831917
28 November 2006 MARPOL Annex I Examination
Physical examination · Sector Virginia · USCG East District (CGD-E) · Activity 2781363
28 July 2006 Security Plan Amendment Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2727782
26 July 2006 MTSA Verification
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 2725899
5 April 2005 Security Plan Amendment Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2326797
12 January 2005 Type not recorded
No type recorded · ACTIVITIES NEW YORK · USCG Northeast District (CGD-NE) · Activity 2274146
20 December 2004 Security Plan Amendment Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2262731
16 March 2004 Security Plan Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2025606
10 April 2003 MARPOL Annex I Examination
Physical examination · MSO HAMPTON ROADS · USCG East District (CGD-E) · Activity 1771327
3 October 2002 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1688639
6 December 2001 Type not recorded
No type recorded · MSO MIAMI · USCG Southeast District (CGD-SE) · Activity 134215
12 September 1999 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 168609

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.

Casualty record · 3

12 January 2005Routine · role: Involved in a Marine Casualty · at RARITAN RIVER SWING RR BRIDGE · activity 2274146
30 June 2016Routine · role: Involved in a Marine Casualty · activity 5931804
12 August 2018Routine · role: Involved in a Marine Casualty · at GILMERTON HIGHWAY BRIDGE · activity 6526954
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.