← All vessels
M.A.R.S. LOKI
M.A.R.S. LOKI is a 1979 towing vessel. The Coast Guard has recorded 13 inspections since 1997, most recently in October 2025, along with 8 deficiencies and 3 casualty investigations between 2017 and 2026.
Records from 1997 to 2026. Most recent: casualty investigation, 26 June 2026.
- Built
- 1979
- Last inspected
- 23 October 2025
- Documentation
- Valid · documentation file of 10 September 2026
- Deficiencies
- 8 recorded · 0 without a recorded resolution
- Controls
- None recorded without a removal date
- Casualties
- 3 investigations · 2017–2026
Identity
615717
WDM8328
179333
Flag
UNITED STATES
368242320
Maury page id
psix-179333
Inspections, by type
…with no type recorded5
Years with a record
10 calendar years (1997–2025)
The 13 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)97.3 ft × 29.0 ft × 11.5 ft
Registered tonnagegross 182 / net 123
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderPARKER BROTHERS SHIPYARD · HOUSTON, TX, UNITED STATES · built 1979
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portHOUMA, LA
Trade endorsementsCoastwise, unrestricted
DocumentationValid · issued 4 June 2026 · expires 30 June 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 it182 - Regulatory (Subpart C or D), Gross Ton
123 - Regulatory (Subpart C or D), Net Ton
123 - 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
WDM8328MMSI 368242320 · active · compulsorily equipped · granted 3 March 2022, expires 3 March 2032
WQZ5900MMSI 366971270 · expired · compulsorily equipped · granted 23 September 2014, cancelled 7 December 2024
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 · 13
23 October 2025
Annual Inspection · Administrative Inspection · Deficiency Check
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 8257614
5 November 2024
Administrative Inspection · Annual Inspection · Deficiency Check
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 8029718
10 August 2023
Annual Inspection · Deficiency Check
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 7764608
5 August 2022
Initial Certification
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 7524314
19 July 2022
Administrative Inspection
Administrative · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 7511920
24 January 2022
Internal Structural Exam · Drydock Exam
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7384535
9 July 2019
Type not recorded
No type recorded · Marine Safety Unit Victoria · USCG Heartland District (CGD-H) · Activity 6761954
13 August 2018
Type not recorded
No type recorded · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 6510857
30 June 2018
Type not recorded
No type recorded · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 6481967
17 April 2017
Type not recorded
No type recorded · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 6198962
14 August 2013
DAPI Audit · Industry Initiated Exam
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 4684847
21 June 2010
Industry Initiated Exam · Deficiency Check
Physical examination · Marine Safety Unit Lake Charles · USCG Heartland District (CGD-H) · Activity 3773230
15 July 1997
Type not recorded
No type recorded · MSU LAKE CHARLES · USCG Heartland District (CGD-H) · Activity 405803
Deficiency record · 8
99 - Other › N/A - No Subsystem › Other (Safety in general)
Issued 5 November 2024
Resolved
MSD was leaking around the entirety of the device and components.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Auxiliary engine
Issued 5 November 2024
Resolved
Battery installation near generator not secured to the deck with battery acid leaking in the box.
07 - Fire Safety › N/A - No Subsystem › Other (fire safety)
Issued 5 November 2024
Resolved
Flame screens on stern of vessel against the bulkhead to engine room were not a mesh corrosion resistant-flame screen.
07 - Fire Safety › N/A - No Subsystem › Other (fire safety)
Issued 5 November 2024
Resolved
Fire extinguisher bracket in galley is broken.
03 - Water/Weathertight Conditions › N/A - No Subsystem › Doors
Issued 5 November 2024
Resolved
Port side watertight door to engine room is structurally compromised/warped with daylight showing.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Gauges, thermometers, etc
Issued 5 August 2022
Resolved
Each towing vessel must have means to monitor amount of thrust at each operating station. Port main engine tachometer in wheelhouse was not functional.
05 - Radio Communications › N/A - No Subsystem › VHF radio installation
Issued 5 August 2022
Resolved
The VHF-FM radio must be installed at each operating station and connected to a functioning battery backup. Vessel did not have a functioning battery backup.
01 - Certificates & Documentation › 011 - Ships Certificates › Other (certificates)
Issued 19 July 2022
Resolved
All owners and operators of an existing towing vessel must have onboard a valid COI prior to the specified phase-in period. This vessel has not obtained a valid COI. The vessel shall be made available for a Coast Guard COI inspection immediately and the vessl may no longer be permitted to operate.
Casualty record · 3
17 April 2017Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 6198962
30 June 2018Routine · role: Involved in a Marine Casualty · activity 6481967
26 June 2026Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · activity 8431414
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
ALLAN (2017–2018). 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.