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MASTER MASON

Towing Vessel · Built 1970s · USCG Heartland District (CGD-H)

MASTER MASON is a 1973 towing vessel. The Coast Guard has recorded 19 inspections since 1994, most recently in February 2014, along with 2 casualty investigations in 2007.

Records from 1994 to 2014. Most recent: inspection, 11 February 2014.

Built
1973
Last inspected
11 February 2014
Documentation
Expired · documentation file of 10 August 2026
Inspections
19
Deficiencies
0 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
2 investigations · 2007
Inspected with
6 other vessels
Also recorded as
1 other name

This record may be incomplete: the most recent inspection recorded for this vessel was 12 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 23 August 2026, retrieved 5 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.

Inspection record

Last inspected 11 February 2014
Recorded inspections19
…physical examinations2
…administrative events1
…with no type recorded16
Deficiencies 0 recorded · 0 without a recorded resolution
Operational controls None recorded without a removal date
Years with a record 12 calendar years (1994–2014)
Every line above is a count of records the US Coast Guard wrote, or a date it recorded. A blank resolution means none was recorded in this data; it does not establish that a deficiency is outstanding. Years with a record are calendar years in which a record exists, not years in service. What Maury does not do.

Identity

US Official No.
548285
IMO number
—
Call sign
WYT8161
MISLE id
121351
Flag
UNITED STATES
Maury page id
psix-121351

Documentation record

Registered dimensions (L × B × D)55.5 ft × 22.0 ft × 8.4 ft
Registered tonnagegross 68 / net 54
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderHOUMA SHIPBUILDING INC · HOUMA, LA, UNITED STATES · built 1973
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeShip
Hull configurationMonohull
Hailing portLAROSE, LA
Trade endorsementsCoastwise, unrestricted
DocumentationExpired · issued 30 June 2004
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 it68 - Simplified, Gross Ton
54 - Simplified, Net Ton
Every line above is a field of the National Vessel Documentation Center's file as served by NOAA Fisheries, dated 10 August 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.
Vessel history report
Every record for this hull, in one document — $299

Every recorded inspection, 1980 to 2026 for this class, in one chronology · every deficiency, with system, dates and resolution · operational controls imposed and removed · every name this hull has been recorded under · the vessels it was inspected alongside, and when · how its record compares with hulls of similar age and size, as a fact about the population and never a judgement about this vessel.

Read one first, in full: a forty-year chronology · a hull that changed operators four times · the sparse case, shown as an example, not for sale.

This report is in development and is not for sale yet. There is no date, and nothing is charged. Leave an email and we will tell you when it exists, once.

Inspected as a tow unit · 6

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.

204 Freight Barge · MISLE 45293 · 11 February 2014 · activity 4814222221 Freight Barge · MISLE 1063957 · 11 February 2014 · activity 4814222MS CHIBB Towing Vessel · MISLE 97418 · 6 November 2007 · activity 3099622WEB 318 Tank Barge · MISLE 869467 · 6 November 2007 · activity 3099622DAL404 Freight Barge · MISLE 159303 · 29 June 2001 · activity 114854M 846 Freight Barge · MISLE 349769 · 17 January 1995 · activity 189049

Inspection history · 19

11 February 2014 Type not recorded
No type recorded · Marine Safety Unit Texas City · USCG Heartland District (CGD-H) · Activity 4814222
13 March 2013 Type not recorded
No type recorded · Station New Orleans · USCG Heartland District (CGD-H) · Activity 4548764
2 August 2012 Industry Initiated Exam
Physical examination · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 4402909
4 January 2010 Industry Initiated Exam
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3659476
6 November 2007 Type not recorded
No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3099622
25 October 2007 Type not recorded
No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3089746
12 July 2005 Security Plan Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2423875
17 July 2004 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 2181860
22 October 2003 Type not recorded
No type recorded · Station Dauphin Island · USCG Heartland District (CGD-H) · Activity 1938860
4 September 2001 Type not recorded
No type recorded · Station New Orleans · USCG Heartland District (CGD-H) · Activity 1522488
29 June 2001 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 114854
3 March 2001 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 46414
24 January 2001 Type not recorded
No type recorded · Station New Orleans · USCG Heartland District (CGD-H) · Activity 1522349
18 May 1998 Type not recorded
No type recorded · USCG Heartland District (dp) · USCG Heartland District (CGD-H) · Activity 656977
2 May 1995 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 676642
30 March 1995 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 211985
17 January 1995 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 189049
17 January 1995 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 222003
29 June 1994 Type not recorded
No type recorded · MSO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 176245

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 · 2

25 October 2007Routine · role: Transiting Vicinity of Primary Subject · activity 3089746
6 November 2007Routine · role: Involved in a Marine Casualty · activity 3099622
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. Involvement is not fault. The investigation narrative is not published. Source: IIR, through 2026.

Recorded names · 1

JEFFERSON (2007). Names as the Coast Guard recorded them in incident records, with the years they appear; some are renames and some are spelling variants.

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.