← All vessels

SEA SERVICE 1

Offshore Supply Vessel · Offshore class · Built 2010s · USCG Heartland District (CGD-H) · Other hulls named SEA SERVICE 1

SEA SERVICE 1 is a 2011 offshore supply vessel. The Coast Guard has recorded 21 inspections since 2014, most recently in December 2025, along with 16 deficiencies and 2 casualty investigations between 2017 and 2018.

Records from 2014 to 2025. Most recent: inspection, 2 December 2025.

Built: 2011
Last inspected: 2 December 2025
Documentation: Valid · documentation file of 10 September 2026
Inspections: 21
Deficiencies: 16 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 2 investigations · 2017–2018

Identity

1236101

—

WDN3148

1092476

Flag

UNITED STATES

MMSI

367510770

Maury page id

psix-1092476

Inspections, by type

…physical examinations16

…administrative events3

…with no type recorded2

Years with a record 10 calendar years (2014–2025)

The 21 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 Offshore class in Maury's sources begin in 1978.

Documentation record

Registered dimensions (L × B × D)163.3 ft × 39.3 ft × 14.0 ft

Registered tonnagegross 96 / net 66

ITC dimensions (L × B × D)163.3 ft × 39.3 ft × 14.0 ft

ITC tonnagegross 791 / net 237

BuilderTHOMA-SEA MARINE CONSTRUCTORS LLC · HOUMA, LA, UNITED STATES · built 2011

Hull materialSteel

PropulsionDiesel Reduction

Hull shapeNot recorded

Hull configurationNot recorded

Hailing portHOUMA, LA

Trade endorsementsCoastwise, unrestricted, Registry

DocumentationValid · issued 21 July 2026 · expires 31 August 2027

Service, as the file records itOffshore Supply Vessel

Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)

Tonnage as PSIX records it949 - Dead Weight, Gross Ton
791 - Convention (Subpart B), Gross Ton
96 - Regulatory (Subpart C or D), Gross Ton
237 - Convention (Subpart B), Net Ton
66 - 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

WDN3148MMSI 367510770 · active · compulsorily equipped · granted 21 July 2022, expires 21 July 2032

WDM7787MMSI 367510770 · cancelled · compulsorily equipped · granted 4 February 2022, cancelled 19 July 2022

WDF9972MMSI 367510770 · expired · compulsorily equipped · granted 29 November 2011, cancelled 29 January 2022

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 · 21

2 December 2025 Periodic Inspection

Physical examination · Marine Safety Unit Lafayette · USCG Heartland District (CGD-H) · Activity 8276511

19 December 2024 Administrative Inspection · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8049187

5 December 2024 Cargo Tank Internal · Internal Structural Exam · Drydock Exam

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8043797

4 December 2023 Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7833463

16 March 2023 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7651981

20 September 2022 COI Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7562601

10 June 2022 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7473693

3 February 2022 Drydock Exam · Hull Examination · Internal Structural Exam · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7390142

29 June 2021 Administrative Inspection · COI Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7239884

23 December 2019 Cargo Tank Internal · Administrative Inspection · Deficiency Check · Hull Examination · Drydock Exam · Annual Inspection

Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 6878201

25 February 2019 Annual Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6632586

6 March 2018 Damage Survey

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6367122

6 March 2018 Type not recorded

No type recorded · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6367663

2 November 2017 Administrative Inspection · Annual Inspection · Deficiency Check

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6299770

16 October 2017 Damage Survey · Administrative Inspection · Deficiency Check

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6288789

13 October 2017 Administrative Inspection

Administrative · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 6288978

13 October 2017 Type not recorded

No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 6329006

6 December 2016 COI Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6053671

5 December 2016 Hull Examination · Internal Structural Exam · Drydock Exam · Cargo Tank Internal · Deficiency Check · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6053341

24 February 2016 Administrative Inspection · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 5822206

18 March 2014 Annual Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4817707

Deficiency record · 16

11 - Life Saving Appliances › N/A - No Subsystem › Rigid liferafts

Issued 19 December 2024 Resolved

Each lifefloat must have a float-free link connecting the painter to the OSV. Float free links were disconnected from two (02) lifefloats. Crew spliced line back to float, corrected on the spot. 46 CFR 133.105

Action required: 10 - Deficiency Rectified
Resolved 19 December 2024
Resolution: Crew spliced live back to float, corrected on the spot.

11 - Life Saving Appliances › N/A - No Subsystem › Lifebuoys incl. provision and disposition

Issued 19 December 2024 Resolved

At least one-half of lifebuoys must be fitted with a self-igniting light. One (01) self-igniting light was inoperable. Crew purchased new batteries, replaced, corrected on spot. 46 CFR 133.70

Action required: 10 - Deficiency Rectified
Resolved 19 December 2024
Resolution: Crew purchased new batteries, replaced, corrected on spot.

06 - Cargo Operations Including Equipment › N/A - No Subsystem › Other (cargo)

Issued 4 December 2023 Resolved

Vessels certificated to carry flammable materials in integral tanks shall ensure pressure releif valves are inspected every two years. P/V valves for methonal tanks have not been inspected. Vessel owner/operator shall ensure PV valves for methanol are inspected prior to carrying methonol.

Condition: Improper/Lack of Maintenance
Action required: 705 - Other - as specified
Resolved 13 December 2023
Resolution: Relief valves were inspected and tested.

01 - Certificates & Documentation › 012 - Crew Certificates › Certificates for master and officers

Issued 20 September 2022 Resolved

Persons performing duties as VSO on-board a sea going vsl must hold a valid coast guard issued credential with a VSO endorsement. Master did not have a VSO endorsement on his MMC. 33 CFR 104.215(c)

Action required: 17 - Rectify deficiencies prior to departure
Due 20 September 2022
Resolved 21 September 2022
Resolution: Reviewed new VSO's endorsement and tested knowledge of the security plan.

99 - Other › N/A - No Subsystem › Other (Safety in general)

Issued 20 September 2022 Resolved

Fire drills and abandonship drills must be held on each vsl. Crew did not perform sufficient man overboard, fire, and abandonship drills. Coast Guard will re-attend vessel to witness drills once crew is ready. 46 CFR 131.530(b) 46 CFR 131.535(a)

Action required: 17 - Rectify deficiencies prior to departure
Due 20 September 2022
Resolved 21 September 2022
Resolution: Witnessed properly conducted drills, all sat.

04 - Emergency Systems › N/A - No Subsystem › Emergency, lighting, batteries and switches

Issued 29 June 2021 Resolved

Emergency lighting required by this section must automatically actuate upon failure of the main lighting; emergency light in passageway between the main machinery space and the bow thruster space was inoperable.

Condition: Improper/Lack of Maintenance
Action required: 10 - Deficiency Rectified
Resolved 30 June 2021
Resolution: Confirmed operabiltiy of deficient emergency lights prior to departing the vessel.

10 - Safety of Navigation › N/A - No Subsystem › Nautical publications

Issued 29 June 2021 Resolved

Each vessel must carry adequate and up-to-date- charts of large enough scale to make safe navigation possible; paper charts for main operating area were not up-to-date through the most recent NTM and LNTM.

Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 1 July 2021
Resolution: Vessel representative sent photographic proof of main operating chart being corrected through the most recent NTM and LNTM corrections.

10 - Safety of Navigation › N/A - No Subsystem › Lights, shapes, sound-signals

Issued 29 June 2021 Resolved

Each self-propelled vessel must have duplicate lights sources for the masthead lights; secondary light for the masthead light was burnt out and inoperable.

Action required: 10 - Deficiency Rectified
Resolved 30 June 2021
Resolution: Confirmed burnt out masthead lightbulb was replaced and new bulb was properly working prior to departing the vessel.

11 - Life Saving Appliances › N/A - No Subsystem › Means of rescue

Issued 15 January 2020 Resolved

THE RESCUE PLATFORM ONBOARD IS INADEQUATE AND IS NOT ARRANGED TO ALLOW A HELPLESS PERSON BE RECOVERED FROM THE WATER. THE VESSEL MUST BE ARRANGED TO ALLOW A HELPLESS PERSON TO BE RECOVERED FROM THE WATER. RECTIFY WITHIN 30 DAYS.

Action required: 50 - Rectify deficiencies w/in 30 days
Due 14 February 2020
Resolved 30 January 2020
Resolution: Vessel obtained new, sufficient rescue platform.

02 - Structural Conditions › N/A - No Subsystem › Steering gear

Issued 14 January 2020 Resolved

EACH OSV OF LESS THAN 100 GROSS TONS MUST HAVE A STEERING SYSTEM THAT COMPLIES WITH 130.140 OR 130.130. VESSEL'S PORT LOCAL STEERING IS NOT OPERATIONAL. RECTIFY PRIOR TO DEPARTURE.

Action required: 17 - Rectify deficiencies prior to departure
Due 14 January 2020
Resolved 15 January 2020
Resolution: steering test sat

04 - Emergency Systems › N/A - No Subsystem › Emergency, lighting, batteries and switches

Issued 23 December 2019 Resolved

A VESSEL OF LESS THAN 100 GROSS TONS MUST HAVE ADEQUATE EMERGENCY LIGHTING FITTED ALONG THE LINE OF ESCAPE TO THE MAIN DECK FROM ACCOMMODATIONS AND WORKING (MACHINERY) SPACES BELOW THE MAIN DECK. THE ENGINE ROOM ESCAPE HATCH EMERGENCY LIGHT IS EXTINGUISHED. RECTIFY WITHIN 14 DAYS.

Action required: 16 - Rectify deficiencies w/in 14 days
Due 29 January 2020
Resolved 15 January 2020
Resolution: verified light replaced

Engineering › Fuel Oil Storage/Transfer System › Valve

Issued 6 March 2018 Resolved

Show proper operation of remote fuel shutdown to attending Marine Inspector.

Action required: 705 - Other - as specified
Due 12 March 2018
Resolved 8 March 2018
Resolution: Inspector verified proper operation of shutdown.

Electrical › Lighting (service) › Lighting Fixture

Issued 2 November 2017 Resolved

Install intrinsically safe or explosion proof lighting with in 16 ft of pressure/vacuum relief valves for Methanol Tanks. Vessel had two deck lights and two embarkation lights within the hazardous zone surrounding the methanol P/V relief valves.

Action required: 701 - Prior to carriage of passengers/cargo
Due 2 November 2017
Resolved 2 November 2017
Resolution: Vessel moved embarkation lights more inboard on the house that removed them from the Haz zone and tagged out deck lights that were within the zone.

Electrical › Lighting (emergency) › Lighting Fixture

Issued 2 November 2017 Resolved

E-Lighting in emergency escape hatch in engine room was not functioning.

Action required: 705 - Other - as specified
Due 2 November 2017
Resolved 2 November 2017
Resolution: Light fixed.

Lifesaving › Lifebuoys › Buoyant Lifeline

Issued 24 February 2016 Resolved

lifeline was not secured properly to lifering IAW q Spec required vessel rep to make repairs providing an equivalent level of safety or replace the life ring.

Due 2 March 2016
Resolved 25 February 2016
Resolution: Vessel rep provied photo of new lifering.

Operations/Management › Cargo Transfer/Lightering › Vessel Transfer Procedures on Hand

Issued 24 February 2016 Resolved

Transfer line diagram for excess fuel system was not on station. required vessel rep to provide line diagram at the manifold.

Due 28 March 2016
Resolved 25 February 2016
Resolution: vessel rep provided picture of posted fuel transfer procedures.

Casualty record · 2

13 October 2017Routine · role: Involved in a Marine Casualty · activity 6329006

6 March 2018Routine · role: Involved in a Marine Casualty · activity 6367663

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.