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PATRICK KAPPER
PATRICK KAPPER is a 1971 towing vessel. The Coast Guard has recorded 15 inspections since 1995, most recently in March 2026, along with 1 casualty investigation in 2025.
Records from 1995 to 2026. Most recent: inspection, 6 March 2026.
- Built
- 1971
- Last inspected
- 6 March 2026
- Documentation
- Valid · documentation file of 10 September 2026
- Deficiencies
- 0 recorded · 0 without a recorded resolution
- Controls
- None recorded without a removal date
- Casualties
- 1 investigation · 2025
Identity
532016
WDL4363
108770
Flag
UNITED STATES
368130690
Maury page id
psix-108770
Inspections, by type
…with no type recorded7
Years with a record
11 calendar years (1995–2026)
The 15 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 Towing Vessel class in Maury's sources begin in 1980.
Documentation record
Registered dimensions (L × B × D)53.0 ft × 21.0 ft × 5.5 ft
Registered tonnagegross 48 / net 33
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderHUMBOLDT BOAT SERV CO · ST. LOUIS, MO, UNITED STATES · built 1971
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portST LOUIS, MO
Trade endorsementsCoastwise, unrestricted
DocumentationValid · issued 10 December 2025 · expires 31 January 2027
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 it48 - Regulatory (Subpart C or D), Gross Ton
33 - Regulatory (Subpart C or D), Net Ton
33 - Regulatory (Subpart C or D), 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
WDL4363MMSI 368130690 · active · compulsorily equipped · granted 4 February 2020, expires 4 February 2030
FCC Universal Licensing System ship-station file of 6 September 2026, matched to this hull on its
US Official Number. Status and dates are the file’s own. The licensee is not read from the file and is not shown.
A lapsed licence’s MMSI is still the number the vessel transmitted under while it was valid.
Inspection history · 15
6 March 2026
Administrative Inspection
Administrative · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 8322914
4 March 2025
Type not recorded
No type recorded · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 8105151
20 August 2024
Administrative Inspection · In-Service Inspection
Physical examination · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 7964891
4 August 2023
TPO Audit
Administrative · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 7796871
29 June 2023
Administrative Inspection
Administrative · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 7739302
17 December 2020
Initial Certification
Physical examination · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 7113181
18 September 2011
Type not recorded
No type recorded · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 4150580
15 December 2009
Deficiency Check · Industry Initiated Exam
Physical examination · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 3644220
14 December 2008
Administration
Administrative · Sector Upper Mississippi River · USCG Heartland District (CGD-H) · Activity 3379718
27 April 2005
Administrative Inspection
Administrative · MSO ST LOUIS · USCG Heartland District (CGD-H) · Activity 2347789
22 July 1998
Type not recorded
No type recorded · MSO ST LOUIS · USCG Heartland District (CGD-H) · Activity 418419
14 July 1998
Type not recorded
No type recorded · MSO ST LOUIS · USCG Heartland District (CGD-H) · Activity 418143
25 June 1998
Type not recorded
No type recorded · MSO ST LOUIS · USCG Heartland District (CGD-H) · Activity 419044
9 June 1995
Type not recorded
No type recorded · MSO ST LOUIS · USCG Heartland District (CGD-H) · Activity 659081
8 May 1995
Type not recorded
No type recorded · MSO ST LOUIS · USCG Heartland District (CGD-H) · Activity 379297
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 · 1
4 March 2025Routine · role: Involved in a Marine Investigation (non-casualty) · serious marine incident, as classified · 1 injured · activity 8105151
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.