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TRISTAN K

TRISTAN K is a 2011 towing vessel. The Coast Guard has recorded 12 inspections since 2011, most recently in January 2025, along with 2 casualty investigations between 2016 and 2021.

Records from 2011 to 2025. Most recent: inspection, 30 January 2025.

Built
2011
Last inspected
30 January 2025
Documentation
Valid · documentation file of 10 August 2026
Controls
None recorded without a removal date

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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 30 January 2025
…with no type recorded3
Operational controls None recorded without a removal date
Years with a record 10 calendar years (2011–2025)
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

9636773
WDF7657
1115331
Flag
UNITED STATES
Maury page id
psix-1115331

Documentation record

Registered dimensions (L × B × D)90.5 ft × 39.3 ft × 16.4 ft
Registered tonnagegross 257 / net 175
ITC dimensions (L × B × D)90.5 ft × 39.3 ft × 16.4 ft
ITC tonnagegross 399 / net 119
BuilderWASHBURN & DOUGHTY ASSOCIATES INC · EAST BOOTHBAY, ME, UNITED STATES · built 2011
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeUNSPECIFIED
Hull configurationUNSPECIFIED
Hailing portWILMINGTON, DE
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 6 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 it257 - Regulatory (Subpart C or D), Gross Ton
399 - Convention (Subpart B), Gross Ton
175 - Regulatory (Subpart C or D), Net Ton
119 - 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 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.
Professional
Detail on this page

12 inspections, each with its date, unit and type; 2 casualty investigations, with date and classification; the documentation record: dimensions, tonnage, builder, hailing port, endorsements, dates. The counts in the summary above are the same counts, and they are free.

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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.

Inspection history · 12

30 January 2025 COI Inspection
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 8062557
3 January 2025 TPO Audit
Administrative · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 8048761
12 June 2021 Damage Survey
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 7225027
12 June 2021 Type not recorded
No type recorded · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 7239644
14 January 2020 Administrative Inspection · Initial Certification
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 6888945
13 December 2019 TPO Audit
Administrative · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 6870579
19 July 2017 Industry Initiated Exam · MTSA Verification · Administration
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 6198581
8 August 2016 Type not recorded
No type recorded · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 5966554
19 April 2015 Type not recorded
No type recorded · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 5107242
21 July 2014 Industry Initiated Exam
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 4930114
29 August 2012 Deficiency Check
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 4449235
13 July 2011 MTSA Verification · Industry Initiated Exam
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 4081231

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

8 August 2016Routine · role: Acknowledged Pollution Source · activity 5966554
12 June 2021Routine · role: Involved in a Marine Casualty · activity 7239644
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.

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.