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SIGNET WARHORSE III

Towing Vessel · Built 2000s · USCG Southeast District (CGD-SE) · Other hulls named SIGNET WARHORSE III

SIGNET WARHORSE III is a 2001 towing vessel. The Coast Guard has recorded 43 inspections since 2002, most recently in June 2026, along with 4 deficiencies, 1 operational control and 7 casualty investigations between 2004 and 2025.

Records from 2002 to 2026. Most recent: inspection, 12 June 2026.

Built
2001
Last inspected
12 June 2026
Documentation
Valid · documentation file of 10 September 2026
Inspections
43
Deficiencies
4 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
7 investigations · 2004–2025
Inspected with
3 other vessels
Also recorded as
1 other name

Identity

US Official No.
1116697
IMO number
8967577 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
WDH4883
MISLE id
33161
Flag
UNITED STATES
MMSI
368105000
Maury page id
psix-33161

Inspections, by type

…physical examinations16
…administrative events16
…with no type recorded11
Years with a record 17 calendar years (2002–2026)
The 43 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)143.4 ft × 50.0 ft × 20.6 ft
Registered tonnagegross 299 / net 203
ITC dimensions (L × B × D)143.4 ft × 50.0 ft × 20.6 ft
ITC tonnagegross 1,108 / net 332
BuilderTHOMA-SEA BOAT BLDR INC · HOUMA, LA, UNITED STATES · built 2001
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portPORT FOURCHON, LA
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 12 February 2026 · expires 31 March 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 it1108 - Convention (Subpart B), Gross Ton
299 - Regulatory (Subpart C or D), Gross Ton
332 - Convention (Subpart B), Net Ton
203 - 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

WDH4883MMSI 368105000 · active · compulsorily equipped · granted 23 March 2024, expires 20 May 2034
WDF3695MMSI 368105000 · cancelled · compulsorily equipped · granted 12 March 2010, cancelled 15 May 2014 · licensed under a name not among this hull’s recorded names (not shown)
WDA6628MMSI 369069000 · expired · compulsorily equipped · granted 4 January 2002, cancelled 10 March 2012
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.

Inspected as a tow unit · 3

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.

SIGNET WARHORSE I Towing Vessel · MISLE 585078 · 6 December 2025 · activity 8279997MARMAC 302 Industrial Vessel · MISLE 1184840 · 6 December 2025 · activity 8279997SIGNET WARHORSE I Towing Vessel · MISLE 585078 · 4 December 2025 · activity 8299986MARMAC 302 Industrial Vessel · MISLE 1184840 · 4 December 2025 · activity 8299986MARMAC 303 Industrial Vessel · MISLE 1226349 · 25 June 2024 · activity 7960488MARMAC 303 Industrial Vessel · MISLE 1226349 · 19 April 2024 · activity 7898487

Inspection history · 43

12 June 2026 Administrative Inspection
Administrative · Sector Charleston · USCG Southeast District (CGD-SE) · Activity 8402896
1 June 2026 Deficiency Check
Physical examination · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 8385421
28 May 2026 Administrative Inspection
Administrative · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 8382772
6 December 2025 In-Service Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 8279287
6 December 2025 Type not recorded
No type recorded · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 8279997
4 December 2025 Type not recorded
No type recorded · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 8299986
21 November 2025 Administrative Inspection
Administrative · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 8272293
20 February 2025 ISM Oversight
Administrative · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 8082071
24 October 2024 COI Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 8024244
13 August 2024 MTSA/ISPS Verification · Administrative Inspection
Physical examination · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7979592
25 June 2024 Administrative Inspection
Administrative · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7942552
25 June 2024 Type not recorded
No type recorded · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7960488
15 May 2024 Administrative Inspection
Administrative · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7912892
19 April 2024 Administrative Inspection
Administrative · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7898459
19 April 2024 Type not recorded
No type recorded · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7898487
26 January 2024 Administrative Inspection
Administrative · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 7855987
16 March 2023 Type not recorded
No type recorded · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 7651875
15 March 2023 Type not recorded
No type recorded · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 7651331
1 February 2023 ISM SMC Audit
Administrative · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 7630485
12 September 2022 MTSA/ISPS Verification
Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 7571114
13 July 2021 Administrative Inspection
Administrative · Sector Mobile · USCG Heartland District (CGD-H) · Activity 7255410
19 August 2020 Type not recorded
No type recorded · Station Pascagoula · USCG Heartland District (CGD-H) · Activity 7043178
22 April 2020 Administrative Inspection
Administrative · Sector Mobile · USCG Heartland District (CGD-H) · Activity 6942521
27 September 2019 Administrative Inspection · Initial Certification
Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 6835060
16 August 2019 MTSA/ISPS Verification · Administrative Inspection
Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 6785183
25 April 2019 Type not recorded
No type recorded · Sector Mobile · USCG Heartland District (CGD-H) · Activity 6686458
4 January 2018 MTSA/ISPS Verification · Industry Initiated Exam
Physical examination · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 6332354
3 January 2018 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 6332982
9 October 2014 MARPOL · Administration · Industry Initiated Exam
Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 5000692
11 July 2014 Administration · MTSA/ISPS Verification
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4918709
10 December 2012 Deficiency Check · Industry Initiated Exam · MTSA/ISPS Verification
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4499375
22 March 2010 MTSA/ISPS Verification
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3700330
29 September 2009 Industry Initiated Exam
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3600397
23 July 2009 Deficiency Check · MTSA/ISPS Verification
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3542727
6 February 2009 Administrative Inspection
Administrative · Commandant (CG-CVC) · Activity 3413464
19 December 2008 Administrative Inspection
Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3382691
22 December 2004 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2274265
22 December 2004 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 2279845
10 August 2004 Administrative Inspection
Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 2161907
10 August 2004 Annual Inspection · MTSA/ISPS Verification
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 2318818
17 May 2004 Security Plan Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2070543
22 December 2003 Security Plan Review - ASP
Administrative · Marine Safety Center (MSC) · Activity 1978416
25 February 2002 Uninspected Towing Vessel
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 1489078

Deficiency record · 4

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 28 May 2026 Resolved
Propulsion machinery, including main engines, reduction gears, shafting, bearings, and electrical equipment and systems, must: Be maintained to ensure proper operation AND be suitable for route and service; Sector Jacksonville was notified that the exhaust manifold was glowing red due to the number 4 fuel injector, injecting excessive smoke from the exhaust on both engines. Vessel is required tugs while entering/leaving the port and must remain at the pier until a satisfactory inspection is complete.
Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Due 28 May 2026
Resolved 1 June 2026
Resolution: Installed 10 new fuel injectors
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 6 December 2025 Resolved
Machinery must be maintained to provide for safe operation of the towing vessel and safety of persons onboard under normal and emergency conditions. The Port Main Engine is out of service due to failed cylinder head assemblies on the #5,#9, and #8 cylinders.
Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 9 December 2025
Resolution: Port MDE Repaired; replaced #5, #8, and #9, head assemblies. ABS has witnessed a satisfactory operational test and cleared condition.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Auxiliary engine
Issued 19 April 2024 Resolved
Machinery and electrical systems must be designed and maintained to provide for safe operation of the towing vessel and safety of persons on board under normal and emergency conditions. Vessel had a low frequency on the number 1 SSDG while it was supplying power to the vessel. Shutdown caused a temporary loss of power until the E-Gen started. Discovered debris in the f/o filter, changed filter and generator operation was restored with no issues. 46 CFR 143.205 (a) Code 10c
Condition: Invalid
Action required: 10 - Deficiency Rectified
Resolved 19 April 2024
Resolution: Corrected
Documentation › Safety/Response Plans/Programs › SOPEP
Issued 5 January 2009 Resolved
-Per Reg 33 CFR 151.26(b)(6), Appendix A of the SOPEP must be revised to include an updated version of the NOCP List for International Operations, Annex 2. -All references to Regulation 26 of Annex I, must be changed to reference Regulation 37 of Annex I of the International Convention for the Prevention of Pollution from Ships.
Due 5 February 2009
Resolved 1 June 2009
Resolution: Deficiencies addressed and SOPEP amended accordingly. SOPEP expires 07/25/2011.

Casualty record · 7

22 December 2004Significant Marine Casualty · role: Involved in a Marine Casualty · serious marine incident, as classified · activity 2274265
22 December 2004Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 dead · activity 2279845
3 January 2018Routine · role: Involved in a Marine Casualty · activity 6332982
19 April 2024Routine · role: Involved in a Marine Casualty · activity 7898487
25 June 2024Routine · role: Involved in a Marine Casualty · activity 7960488
4 December 2025Routine · role: Involved in a Marine Casualty · activity 8299986
6 December 2025Routine · role: Involved in a Marine Casualty · activity 8279997
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.

Recorded names · 1

DOLPHIN III (2004). 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.