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STONE EXPLORER

Towing Vessel · Built 1980s · USCG Heartland District (CGD-H)

STONE EXPLORER is a 1980 towing vessel. The Coast Guard has recorded 27 inspections since 1994, most recently in April 2026, along with 23 deficiencies and 2 casualty investigations between 2022 and 2025.

Records from 1994 to 2026. Most recent: inspection, 8 April 2026.

Built
1980
Last inspected
8 April 2026
Documentation
Valid · documentation file of 10 August 2026
Inspections
27
Deficiencies
23 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
2 investigations · 2022–2025
Inspected with
4 other vessels

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 8 April 2026
Recorded inspections27
…physical examinations14
…administrative events3
…with no type recorded10
Deficiencies 23 recorded · 0 without a recorded resolution
Operational controls None recorded without a removal date
Years with a record 16 calendar years (1994–2026)
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.
619166
IMO number
—
Call sign
WDC9954
MISLE id
182496
Flag
UNITED STATES
Maury page id
psix-182496

Documentation record

Registered dimensions (L × B × D)94.0 ft × 32.0 ft × 10.6 ft
Registered tonnagegross 88 / net 67
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderMODERN MARINE POWER INC · HOUMA, LA, UNITED STATES · built 1980
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeUNSPECIFIED
Hull configurationUNSPECIFIED
Hailing portGRETNA, LA
Trade endorsementsCoastwise, unrestricted
DocumentationValid · issued 6 June 2026 · expires 31 July 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 it88 - Regulatory (Subpart C or D), Gross Ton
67 - Regulatory (Subpart C or D), Net Ton
369 - Dead Weight, 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 · 4

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.

GOD BLESSED Commercial Fishing Vessel · MISLE 23190 · 17 October 2025 · activity 8254866STONE NAVIGATOR Tank Barge · MISLE 829781 · 17 October 2025 · activity 8254866STONE NAVIGATOR Tank Barge · MISLE 829781 · 22 June 2022 · activity 7513678BENJAMIN RIDGWAY Towing Vessel · MISLE 101426 · 26 July 1996 · activity 50261COMMANDER Freight Barge · MISLE 43392 · 1 October 1994 · activity 42113COMMANDER Freight Barge · MISLE 43392 · 28 August 1994 · activity 184510

Inspection history · 27

8 April 2026 Type not recorded
No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8344759
6 January 2026 Administrative Inspection · Annual Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8289207
17 October 2025 Type not recorded
No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 8254866
6 January 2025 MTSA Verification · COI Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8050393
16 October 2024 Internal Structural Exam
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8019924
26 April 2024 Annual Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7901717
16 March 2023 Deficiency Check · Annual Inspection
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 7650080
10 March 2023 Type not recorded
No type recorded · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 7648833
26 June 2022 Administrative Inspection
Administrative · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7488576
22 June 2022 Type not recorded
No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 7513678
11 February 2022 Administrative Inspection · Deficiency Check
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7394603
25 January 2022 Annual Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7385882
9 February 2021 Annual Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7138345
2 December 2019 Administrative Inspection · Initial Certification
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 6865614
21 August 2017 Industry Initiated Exam
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 6242608
7 July 2011 MTSA Verification · DAPI Audit · Industry Initiated Exam
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 4086451
19 May 2010 DAPI Audit · Deficiency Check
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3746907
8 January 2010 Industry Initiated Exam
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3662538
27 August 2007 MTSA Verification
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 3037275
2 June 2006 Security Plan Amendment Review - ASP
Administrative · Marine Safety Center (MSC) · Activity 2668503
30 September 2005 Security Plan Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2504798
26 July 1996 Type not recorded
No type recorded · MSO CLEVELAND · USCG Great Lakes District (CGD-GL) · Activity 50261
10 May 1996 Type not recorded
No type recorded · MSO CLEVELAND · USCG Great Lakes District (CGD-GL) · Activity 539192
8 October 1995 Type not recorded
No type recorded · MSO CLEVELAND · USCG Great Lakes District (CGD-GL) · Activity 64944
3 October 1994 Type not recorded
No type recorded · MSO CLEVELAND · USCG Great Lakes District (CGD-GL) · Activity 1432839
1 October 1994 Type not recorded
No type recorded · MSO DETROIT · USCG Great Lakes District (CGD-GL) · Activity 42113
28 August 1994 Type not recorded
No type recorded · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 184510

Deficiency record · 23

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Operation of machinery
Issued 26 April 2024 Resolved
Machinery must be designed and maintained to provide for safe operation of the towing vessel; could not confirm satisfactory operation of bilge pump. 46 CFR 143.205 46 CFR 143.275
Action required: 50 - Rectify deficiencies w/in 30 days
Due 26 May 2024
Resolved 14 May 2024
Resolution: Company provided pictures of proper operation.
07 - Fire Safety › N/A - No Subsystem › Other (fire safety)
Issued 26 April 2024 Resolved
Each towing vessel must be maintained to minimize fire hazards; fuel line at filter for port MDE was torn. 46 CFR 142.220
Condition: Damaged By Earlier Event
Action required: 16 - Rectify deficiencies w/in 14 days
Due 10 May 2024
Resolved 14 May 2024
Resolution: Fuel line replaced
10 - Safety of Navigation › N/A - No Subsystem › Other (navigation)
Issued 26 April 2024 Resolved
Means must be provided to ensure adequate visibility in the pilothouse; vessel did not have means to maintain visibility in pilothouse. 46 CFR 144.905
Action required: 16 - Rectify deficiencies w/in 14 days
Due 10 May 2024
Resolved 14 May 2024
Resolution: Windshield wiper installed
08 - Alarms › N/A - No Subsystem › Other (alarms)
Issued 26 April 2024 Resolved
Each vessel must have a reliable means to provide notification when an emergency condition exists; alarms could not be shown operational at operating station. 46 CFR 143.230
Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 14 May 2024
Resolution: Alarms replaced with summary alarm. Alarm panel in engine room provides alarm detail.
09 - Working and Living Conditions › 091 - Living Conditions › Drainage
Issued 16 March 2023 Resolved
Each Marine Sanitation Device must be free of design defects that would allow toxic substances to escape to the interior of the vessel. The Marine Sanitation Device was leaking into the engine room.
Condition: Improper Installation
Action required: 17 - Rectify deficiencies prior to departure
Due 16 March 2023
Resolved 21 March 2023
Resolution: Witnessed satisfactory repair to MSD.
09 - Working and Living Conditions › 092 - Working Conditions › Electrical
Issued 16 March 2023 Resolved
Electrical systems and equipment must function properly and minimize fire and shock hazards. 02 distribution panels are missing blanks, and the battery boxes are not secure.
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Due 30 March 2023
Resolved 21 March 2023
Resolution: Verified installation of blank covers on open slots in distribution panels and securing of batteries in engine room
11 - Life Saving Appliances › N/A - No Subsystem › Line-throwing appliance
Issued 16 March 2023 Resolved
Each towing vessel operating in oceans service must have a line throwing device approved under series 106.040 and have an auxiliary line. The vessel is missing 02 buoyant heads and the auxiliary line.
Condition: Invalid
Action required: 16 - Rectify deficiencies w/in 14 days
Due 30 March 2023
Resolved 21 March 2023
Resolution: Verified presence of auxiliary line and 02 buoyant heads for line throwing apparatus
04 - Emergency Systems › N/A - No Subsystem › Emergency, lighting, batteries and switches
Issued 16 March 2023 Resolved
Emergency lighting must be provided for sufficient illumination under emergency conditions to facilitate egress. Emergency light in the crew accommodation area was not operational.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 March 2023
Resolved 21 March 2023
Resolution: Witnessed satisfactory test of newly installed emergency lighting in vicinity of crew accommodation space
08 - Alarms › N/A - No Subsystem › Other (alarms)
Issued 16 March 2023 Resolved
Each towing vessel must have a reliable means to provide notification when an emergency condition exists. The alarm must be visible at each operating station. The main operating station alarm panel was not properly functioning.
Condition: Invalid
Action required: 16 - Rectify deficiencies w/in 14 days
Due 30 March 2023
Resolved 21 March 2023
Resolution: Witnessed satisfactory operation of pilot house alarm panel via test of 02 bilge high level alarms and main engine low lube oil pressure alarm
08 - Alarms › N/A - No Subsystem › Steering gear alarm
Issued 25 January 2022 Resolved
Low level alarm missing on hyro steering tank.
Condition: Improper Installation
Action required: 50 - Rectify deficiencies w/in 30 days
Due 24 February 2022
Resolved 11 February 2022
Resolution: Alarm installed
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Operation of machinery
Issued 25 January 2022 Resolved
Shaft seal cooling water line has a soft patch and numerous pinholes.
Condition: Improper/Lack of Maintenance
Action required: 50 - Rectify deficiencies w/in 30 days
Due 24 February 2022
Resolved 11 February 2022
Resolution: Line repaired
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Other (machinery)
Issued 25 January 2022 Resolved
Air recievers appear corroded. Provide letter from ABS or PE attesting to the safe operating condition of air recievers.
Action required: 50 - Rectify deficiencies w/in 30 days
Due 24 February 2022
Resolved 11 February 2022
Resolution: New air recievers ordered, air recievers on vessel currently have been tested and deemed operational until new air recievers are replaced. Current supply chain issues have delayed delivery.
07 - Fire Safety › N/A - No Subsystem › Oil accumulation in engine room
Issued 9 February 2021 Resolved
All seals and gaskets must be properly maintained to prevent leaks of flammable or combustible liquid. The fuel filter for the ship service main diesel generator must be properly fitted to stop its leaking.
Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Due 9 February 2021
Resolved 10 February 2021
Resolution: Replaced the fuel filter housing, all sat.
07 - Fire Safety › N/A - No Subsystem › Oil accumulation in engine room
Issued 9 February 2021 Resolved
All seals and gaskets must be properly maintained to prevent leaks of flammable or combustible liquid. Ensure all fuel leaks on port prime mover winch are secured.
Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Due 9 February 2021
Resolved 10 February 2021
Resolution: Tightended fittings, all sat.
04 - Emergency Systems › N/A - No Subsystem › Emergency, lighting, batteries and switches
Issued 9 February 2021 Resolved
Essential systems or equipment must be regularly tested and examined. Batteries for emergency lighting and power were not tested at least once every 3 months.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: All batteries were tested and logged, all sat.
11 - Life Saving Appliances › N/A - No Subsystem › Lifebuoys incl. provision and disposition
Issued 9 February 2021 Resolved
Each lifebuoy on a towing vessel must be capable of being rapidly cast loose. One ring buoy near the main steering position must be free from lifeline and have a detachable floating electric water light.
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: Removed the line from one ring buoy, all sat.
11 - Life Saving Appliances › N/A - No Subsystem › Lifebuoys incl. provision and disposition
Issued 9 February 2021 Resolved
At least two lifebuoys on a towing vessel greater than 26 feet must be fitted with a floating electric water light. All lifebuoys need to be fitted with quick detaching floating electric water lights.
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: Installed an electric light on the other ring buoy, all sat.
08 - Alarms › N/A - No Subsystem › General alarm
Issued 9 February 2021 Resolved
Each towing vessel must be fitted with a general alarm that is activated at each operating station and can notify persons onboard in the event of an emergency. Aft steering control did not have a repeater fitted for general alarm notification.
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: Entered this def in error due to the aft station is not consider an operating station.
01 - Certificates & Documentation › 011 - Ships Certificates › Other (certificates)
Issued 9 February 2021 Resolved
[withheld — contains personal information; the deficiency system, dates, and resolution status are shown above]
Condition: Invalid
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: The PE letter was provided from the company signed by ABS.
07 - Fire Safety › N/A - No Subsystem › Fire detection and alarm system
Issued 9 February 2021 Resolved
The owner or managing operator must ensure that each detector is installed in accordance with the manufacturer's design manual. The port heat detector needs to have all the screws, as required by design, installed on the covering plate.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: The face plate was tightened in place utilizing securing screws.
10 - Safety of Navigation › N/A - No Subsystem › Other (navigation)
Issued 9 February 2021 Resolved
Simple operating instructions with a block diagram, showing the change-over procedures for remote steering gear control systems and steering gear power units, must be permanently displayed on the navigating bridge and in the steering gear compartment. Vessel must have such instructions installed in the steering gear compartment.
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: Vessel operator installed a copy of the steering gear changeover procedures at the local station.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 9 February 2021 Resolved
All seals and gaskets must be properly maintained to prevent leaks of flammable or combustible liquid. Replace the oil filter on the starboard reduction gear.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: The oil filter was replaced with no visible leaks upon testing.
99 - Other › N/A - No Subsystem › Other (Safety in general)
Issued 9 February 2021 Resolved
Piping for flammable or combustible liquid, seawater cooling, or firefighting systems must be fitted with isolation valves that are clearly marked by labeling or color coding that enables the crew to identify its function.
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 February 2021
Resolved 22 February 2021
Resolution: All req'd piping and valves were painted that matched vessel's color coding diagram.

Casualty record · 2

22 June 2022Routine · role: Involved in a Marine Casualty · activity 7513678
17 October 2025Routine · role: Involved in a Marine Casualty · activity 8254866
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.