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INTERVENTION

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

INTERVENTION is a 2012 offshore supply vessel. The Coast Guard has recorded 22 inspections since 2012, most recently in May 2026, along with 11 deficiencies and 1 casualty investigation in 2012.

Records from 2012 to 2026. Most recent: inspection, 13 May 2026.

Built: 2012
Last inspected: 13 May 2026
Documentation: Valid · documentation file of 10 September 2026
Inspections: 22
Deficiencies: 11 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 1 investigation · 2012
Inspected with: 1 other vessel
Also recorded as: 1 other name

Identity

US Official No.

1230060

IMO number

9581277 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here

Call sign

WINV

MISLE id

1098959

Flag

UNITED STATES

MMSI

338413000

Maury page id

psix-1098959

Inspections, by type

…physical examinations14

…administrative events6

…with no type recorded2

Years with a record 13 calendar years (2012–2026)

The 22 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)268.8 ft × 64.0 ft × 24.5 ft

Registered tonnagegross 4,381 / net 1,314

ITC dimensions (L × B × D)268.8 ft × 64.0 ft × 24.5 ft

ITC tonnagegross 4,381 / net 1,314

BuilderEASTERN SHIPBUILDING GROUP INC · PANAMA CITY, FL, UNITED STATES · built 2012

Hull materialSteel

PropulsionDiesel Electric

Hull shapeNot recorded

Hull configurationNot recorded

Hailing portGALLIANO, LA

Trade endorsementsCoastwise, unrestricted, Registry

DocumentationValid · issued 18 November 2025 · expires 30 November 2026

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 it4381 - Convention (Subpart B), Gross Ton
4689 - Dead Weight, Gross Ton
1314 - 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 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

WINVMMSI 338413000 · active · compulsorily equipped · granted 18 December 2025, expires 18 December 2035

WDG2721MMSI 367518570 · cancelled · compulsorily equipped · granted 16 December 2021, cancelled 28 November 2025 · licensed under a name not among this hull’s recorded names (not shown)

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 · 1

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.

HD 12 Public Vessel, Unclassified · MISLE 1644177 · 8 September 2020 · activity 7078437

Inspection history · 22

13 May 2026 ACP Annual Oversight · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8354297

19 February 2026 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8312933

5 November 2025 Deficiency Check · In-Service Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8268218

21 March 2025 ACP Annual Oversight · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8097390

14 March 2025 ACP Drydock Oversight

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8094030

27 September 2024 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8011417

1 July 2024 Annual Inspection · ACP Annual Oversight

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7946210

3 May 2023 ACP Annual Oversight · Administrative Inspection · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7680085

4 April 2022 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7424021

30 March 2021 Annual Inspection · ACP Annual Oversight

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7165317

8 September 2020 Type not recorded

No type recorded · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7078437

10 April 2020 ACP Annual Oversight · Administrative Inspection · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6937760

22 May 2019 MTSA/ISPS Verification · Annual Inspection · ACP Annual Oversight · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6690490

26 January 2019 Type not recorded

No type recorded · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6649281

2 May 2018 Annual Inspection · Administrative Inspection · ACP Annual Oversight

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6404176

28 March 2017 Annual Inspection · MTSA/ISPS Verification · ACP COI Oversight

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6112806

11 October 2016 Administrative Inspection · Construction Oversight

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6020482

7 March 2016 Periodic Inspection · MTSA/ISPS Verification · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 5828650

12 May 2014 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4856875

1 May 2014 ACP Annual Oversight · Annual Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4847746

19 July 2012 Administrative Inspection · Damage Survey

Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 4387904

7 June 2012 Administrative Inspection

Administrative · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 4336866

Deficiency record · 11

09 - Working and Living Conditions › 092 - Working Conditions › Personal equipment

Issued 19 February 2026 Resolved

Except as otherwise provided in this section, on a documented vessel, each unlicensed seafarer (seaman) must be: a citizen of the US, an alien lawfully admitted to the US for permanent residence; or a foreign national who is enrolled in the USMMA. Marine Inspector was notified of 06 non-US residents employed on vessel. 17- Vessel is may complete operations and return to Port Fourchon to offload unauthorized non-US citizen crew members. Vessel must comply with 46 USC 8103 prior to movement.

Condition: Design Flaw
Action required: 17 - Rectify deficiencies prior to departure
Due 19 March 2026
Resolved 20 February 2026

07 - Fire Safety › N/A - No Subsystem › Fire fighting equipment and appliances

Issued 5 November 2025 Resolved

In close proximity to the helideck, the following fire-fighting appliances shall be provided and stored near the means of access. A suitable foam application system. A flange/ spool piece along helideck foam system piping had wastage and requires renewal prior to helicopter operations. 1974 SOLAS (Cons 2014) II-2 / 18.5.1

Action required: 705 - Other - as specified
Due 16 December 2025
Resolved 2 January 2026
Resolution: ABS found that the identified wasted section of the foam line pipe for the Helideck was replaced issued a finding 490.0 to be pressure tested to the satisfaction of the attending surveyor prior to the commencement of the helicopter operations.

07 - Fire Safety › N/A - No Subsystem › Fire prevention structural integrity

Issued 21 March 2025 Resolved

The condition of the ship and its equipment shall be maintained to conform with the provisions of the present regulations to ensure the ship in all respects will remain fit to proceed to sea without danger to the ship or persons on board. Bulk mud compressor room is missing A-60 fire boundary insulation above the grey water valve. 74 Solas (2020 cons.) Ch. I, Reg. 11(a)

Condition: Improper Installation
Action required: 50 - Rectify deficiencies w/in 30 days
Due 21 April 2025
Resolved 22 March 2025
Resolution: Third party tech report & ABS preliminary survey with (finding No. 485) attesting to rectification received and unloaded into deficiency documents tab.

07 - Fire Safety › N/A - No Subsystem › Other (fire safety)

Issued 21 March 2025 Resolved

The condition of the ship and its equipment shall be maintained to conform with the provisions of the present regulations to ensure that the ship in all respects will remain fit to proceed to sea without danger to the ship or persons on board. Starboard side midship main deck cable entries for power to the ROV deck have multiple loose blocks and spray foam insulation. 74 Solas (2020 cons.) Ch. I, Reg. 11(a)

Condition: Improper/Lack of Maintenance
Action required: 50 - Rectify deficiencies w/in 30 days
Due 21 April 2025
Resolved 22 March 2025
Resolution: Third party tech report & ABS preliminary survey with (finding No. 485) attesting to rectification received and unloaded into deficiency documents tab.

11 - Life Saving Appliances › N/A - No Subsystem › Operational readiness of lifesaving appliances

Issued 21 March 2025 Resolved

Each life raft or group of life rafts shall be stowed with a float free arrangement. All life rafts installed on board did not have the painter line attached to the weak link. Corrected on the spot. 74 Solas (2020 cons.) Ch. III, Reg. 13.4.2

Condition: Improper/Lack of Maintenance
Action required: 10 - Deficiency Rectified
Due 21 March 2025
Resolved 21 March 2025
Resolution: The crew corrected the issue on the spot and correctly hooked the painter lines to the appropriate position on their weak links.

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Auxiliary engine

Issued 27 September 2024 Resolved

The condition of the ship and its equipment shall be maintained to conform with the provisions of the present regulations to ensure that the ship in all respects will remain fit to proceed to sea without danger to the ship or persons on board. The vessel reported failure to the main and piston bearings on the #4 auxiliary engine. The vessel may shift berths prior to repairs, and transit within COTP zone to verify repairs. Repair or replace the engine to the satisfaction of the attending Class Surveyor. SOLAS 74 (2020 CONS.) I / Reg. 11.a

Action required: 17 - Rectify deficiencies prior to departure
Due 27 September 2024
Resolved 6 October 2024
Resolution: ABS surveyor attended the vessel and carried out a survey for the replacement of the aux engine. See narrative for more detail.

02 - Structural Conditions › N/A - No Subsystem › Other (Structural condition)

Issued 1 July 2024 Resolved

If a vessel is altered plans and calculations must be submitted. Vessel has 02 workstation PAMS installed. Provide Class/ module review and approvals in accordance with CG-ENG Policy Letter No. 01-16. 46 CFR 127.120

Action required: 50 - Rectify deficiencies w/in 30 days
Due 1 August 2024
Resolved 23 July 2024
Resolution: Received satisfactory ABS documentation (see documents deficiency tab) and verified installation timeframe. COI Amended to reflect PAMs.

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

Issued 4 April 2022 Resolved

All lifesaving appliances shall be fitted with retro-reflective material in accordance with the Organization. Retro-reflective tape on lifebuoys and rescue boat is DOT approved and does not meet the specifications outlined in the regulations. SOLAS 14 III/32.1 SOLAS 14 III/31.2 LSA Code 2010 II/1.2.7 Resolution A.658(16)

Action required: 50 - Rectify deficiencies w/in 30 days
Due 4 May 2022
Resolved 8 April 2022
Resolution: The Retro-Reflective tapes of the approved type were used in replacing that on the Rescue Boat and all the Life Buoys onboard.

07 - Fire Safety › N/A - No Subsystem › Fire pumps and its pipes

Issued 4 April 2022 Resolved

Suitable foam application system consisting of monitors capable of delivering foam to all parts of the helideck, delivering a discharge rate as required in table 18.1. The port side supply line to the monitor has a pinhole leak causing water to leak out. The pipe flange on the right directly behind the AFFF tank is leaking. SOLAS 14 II-2/18.5.3 Prior to helo operations.

Action required: 705 - Other - as specified
Resolved 8 April 2022
Resolution: The pinhole was ground and rewelded. The leaking flange section was renewed with a newly fabricated piece. The above were surveyed, tested, and found satisfactory at the time of attendance

Lifesaving › Inflatable Liferafts › Painter

Issued 7 March 2016 Resolved

Vessel painter line attached to bottom of hydrostatic release, not to weak link, on all life rafts aboard.

Action required: 705 - Other - as specified
Due 7 March 2016
Resolved 7 March 2016
Resolution: Vessel disconnected weak links to all life rafts and properly attached to weak links on hydrostatic releases. Conducted training with crew members on following manufacturers instructions.

Engineering › Sea-water System (primary cooling) › Piping

Issued 19 July 2012 Resolved

Keel cooler leak experience a tube failure.

Action required: 705 - Other - as specified
Resolved 19 July 2012
Resolution: Manufacturer (Fernstrum) provided plug and procedures. One tube was plugged. This is a permanant repair.

Casualty record · 1

13 March 2012Major Marine Casualty · role: Acknowledged Pollution Source · serious marine incident, as classified · activity 4262860

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

SISUAQ (2012). 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.