PYTHON 251

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

PYTHON 251 is a 2010 offshore supply vessel. The Coast Guard has recorded 26 inspections since 2008, most recently in October 2025, along with 15 deficiencies and 2 casualty investigations in 2013.

Records from 2008 to 2025. Most recent: inspection, 29 October 2025.

Built: 2010
Last inspected: 29 October 2025
Documentation: Not in the documentation file of 10 September 2026
Inspections: 26
Deficiencies: 15 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 2 investigations · 2013
Also recorded as: 1 other name

Identity

US Official No.

1218416

IMO number

9536258 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here

Call sign

5NA2035

MISLE id

949505

Flag

NIGERIA

MMSI

367436760

Maury page id

psix-949505

Inspections, by type

…physical examinations21

…administrative events5

Years with a record 13 calendar years (2008–2025)

The 26 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

Tonnage as PSIX records it2119 - Displacement, Gross Ton
3080 - Dead Weight, Gross Ton
1786 - Convention (Subpart B), Gross Ton
701 - Convention (Subpart B), Net Ton

This hull's Official Number is not in the NVDC file dated 10 September 2026 as served by NOAA Fisheries, so no documentation record is shown. Absence from that file is a fact about the file, not about the hull.

Radio station licence

WRAJMMSI 367436760 · active · compulsorily equipped · granted 7 July 2022, expires 1 October 2032

WRAJMMSI 367436760 · cancelled · compulsorily equipped · granted 14 January 2010, cancelled 26 September 2012 · 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.

Inspection history · 26

29 October 2025 ISPS Exam

Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 8260447

21 October 2025 Administrative Inspection

Administrative · Sector Mobile · USCG Heartland District (CGD-H) · Activity 8256639

20 October 2025 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8256602

14 October 2025 PSC A · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8251971

14 August 2025 ACP Annual Oversight · MTSA/ISPS Verification · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 8204023

25 March 2024 Annual Inspection · ACP Annual Oversight · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7884369

8 February 2024 In-Service Inspection · Administrative Inspection

Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 7864994

11 May 2023 Administrative Inspection · Damage Survey

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7686220

9 May 2023 ACP Handover Survey · Hull Examination · MTSA/ISPS Verification · ACP COI Oversight · Drydock Exam · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7684256

14 May 2021 Administrative Inspection

Administrative · Sector Miami · USCG Southeast District (CGD-SE) · Activity 7197168

3 July 2020 MARPOL Annex I Examination · Annual Inspection

Physical examination · Activities Europe · Activity 7079689

3 July 2019 Administrative Inspection · COI Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6734501

25 June 2019 Administrative Inspection · Internal Structural Exam · Drydock Exam

Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 6725119

26 June 2018 DAPI Audit · In-Service Inspection · Administrative Inspection

Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 6458616

31 May 2018 Examination of Repairs · Administrative Inspection

Physical examination · Sector Mobile · USCG Heartland District (CGD-H) · Activity 6437811

27 March 2018 Periodic Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6380820

21 March 2018 Cargo Tank Internal · Hull Examination · Internal Structural Exam · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6375800

17 March 2017 MARPOL Annex I Examination · Annual Inspection · Administrative Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6106808

30 November 2016 Administrative Inspection · In-Service Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6050729

31 March 2016 Annual Inspection · Administrative Inspection · MARPOL Annex VI Survey · MARPOL Annex I Examination

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 5845059

8 March 2016 Damage Survey

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 5829841

26 June 2014 MTSA/ISPS Verification · MARPOL Annex I Examination · Administrative Inspection · Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4899513

5 December 2011 Administrative Inspection

Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4217731

31 January 2011 Annual Inspection

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3936672

3 February 2010 Plan Review (Other than "T")

Administrative · USCG Heartland District · USCG Heartland District (CGD-H) · Activity 3676128

3 October 2008 MTSA/ISPS Verification · Initial Certification · Administrative Inspection · Welding Related Inspections Qualification Testing · MARPOL Annex I Examination · Construction Oversight

Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3377774

Deficiency record · 15

01 - Certificates & Documentation › 013 - Documents › SOPEP

Issued 15 October 2025 Resolved

Every oil tanker of 150 gross tons and above and every ship other than an oil tankerof 400 gross tonnage and abover shall carry on board a shipboard oil pollution emergency plan approved by the Administration. Vessel did not have an approved SOPEP from current Flag Administration. - MARPOL ANNEX 1 Reg. 37.1

Condition: Invalid
Action required: 17 - Rectify deficiencies prior to departure
Resolved 20 October 2025
Resolution: Vessel RO completed class sruvey to clear deficiencies.

01 - Certificates & Documentation › 011 - Ships Certificates › Safety Management Certificate (SMC/ ISM)

Issued 15 October 2025 Resolved

A Certificate, called a Safety Management Certificate, shall be issued to every ship by the administration or an organization recognized by the Administration. The Administration or organization recognized by it shall, before issuing the Safety Management Certificate, verify that the company and its shipboard management operate in accordance with the approved saftey management system. Vessel did not have an approved Safety Management Certificate issued by the Administration or organization. -SOLAS 74(20) Ch.IX Reg 4.3

Condition: Invalid
Action required: 17 - Rectify deficiencies prior to departure
Resolved 20 October 2025
Resolution: Vessel RO completed class sruvey to clear deficiencies.

07 - Fire Safety › N/A - No Subsystem › Fire doors/openings in fire-resisting divisions

Issued 15 October 2025 Resolved

Fire doors in main vertical zone bulkheads, galley boundaries and stairway enclosures other than power-operated watertight doors and those which are normall locked shall satisfy the following requirements: the doors shall be self closing and capable of closing with an angleof inclination of up to 3.5 degrees opposing closure. Vessel "A" class division doors were unable to fully self-close to maintain division specified on Fire Control Plan. - SOLAS 74(20) Ch.II-2 Reg. 9.4.1.1.5.1

Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 20 October 2025
Resolution: Vessel RO completed class sruvey to clear deficiencies.

01 - Certificates & Documentation › 013 - Documents › Conformance Test Report

Issued 15 October 2025 Resolved

Ships shall be fitted with a system to automatically transmit the information specifed in paragraoh 5. Vessel's LRIT does not have a conformance test required by MSC.1/CIRC.1307 - SOLAS 74(20) Ch.V Reg. 19-1.4.1

Condition: Invalid
Action required: 15 - Rectify deficiencies by next port
Resolved 20 October 2025
Resolution: Vessel RO completed class sruvey to clear deficiencies.

03 - Water/Weathertight Conditions › N/A - No Subsystem › Covers (hatchway-, portable-, tarpaulins, etc.)

Issued 25 March 2024 Resolved

Openings in decks are to be maintain watertight integrity. Hatch casing for the emergency escape from ER to deck is wasted through on forward dogging slot. SOLAS 74 II-I/13-1

Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 26 March 2024
Resolution: Slot croped and renewed. ABS witnessed NDT

09 - Working and Living Conditions › 092 - Working Conditions › Electrical

Issued 25 March 2024 Resolved

Electrical installations shall be such that the safety of the crew and ship from electrical hazards will be ensured. Water heater compartment on 01 deck has an electrical splice not in an enclosure for a wifi router and the water heaters are missing the covers for the lower heating elements.

Action required: 10 - Deficiency Rectified
Resolved 25 March 2024
Resolution: Cover plates reinstalled and wire unpluged prior to our departure.

09 - Working and Living Conditions › 092 - Working Conditions › Machinery

Issued 11 May 2023 Resolved

Except as provided, machinery installations must comply with subchapter F of 46 CFR; vessel lost main propulsion. Rectify prior to movement. 46 CFR 128.110 46 CFR 58.10-10

Condition: Improper/Lack of Maintenance
Action required: 60 - Rectify deficiencies prior to movement
Resolved 13 May 2023
Resolution: Tech report received verifying satisfactory operating condition of all prime movers.

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Operation of machinery

Issued 3 July 2019 Resolved

EMERGENCY STEERING NOT OPERATIONAL. MUST BE OPERATIONAL AND MEET CLASS STANDARDS 46 CFR 58.05-1(a)

Condition: Improper/Lack of Maintenance
Action required: 701 - Prior to carriage of passengers/cargo
Resolved 9 July 2019
Resolution: Cleared 835V by attending Coast Guard Inspector

07 - Fire Safety › N/A - No Subsystem › Personal equipment for fire safety

Issued 3 July 2019 Resolved

MISSING GLOVES FOR FIREFIGHTING DRILL. MUST BE PRESENT AND OPERATIONAL WHEN FIRE SUITS ARE IN USE AS REQUIRED BY SOLAS CH II-2 46 CFR 127.640(a)

Condition: Improper Installation
Action required: 701 - Prior to carriage of passengers/cargo
Resolved 9 July 2019
Resolution: Had vessel recomplete drill after conducting training time-out and ensuring reps, crew were aware of regulatory requirements. Cleared 835V by attending Coast Guard Inspector

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

Issued 3 July 2019 Resolved

EMERGENCY LIGHTING ON BRIDGE NOT OPERATIONAL. MUST BE OPERATIONAL UPON LOSS OF POWER 46 CFR 129.110(b)

Action required: 701 - Prior to carriage of passengers/cargo
Resolved 9 July 2019
Resolution: Vessel rep replaced batteries in E-lighting and 835V was cleared by attending Coast Guard Inspector

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

Issued 3 July 2019 Resolved

EMERGENCY LIGHTING THROUGHOUT VESSEL NOT CORRECTLY MARKED WITH 'E' DESIGNATION. MUST BE MARKED 46 CFR 129.110(b)

Condition: Improper/Lack of Maintenance
Action required: 701 - Prior to carriage of passengers/cargo
Resolved 9 July 2019
Resolution: Vessel installed letter E designation and 835V was cleared by attending Coast Guard inspector

Stability › Watertight Integrity › General

Issued 27 March 2018 Resolved

Replace gaskets and adjust all quick acting water tight doors, as discussed.

Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 4 May 2018
Resolution: ABS surveyor verified the deficiency was corrected, marine inspector confirmed.

Lifesaving › Lifebuoys › Self-igniting Lights

Issued 27 March 2018 Resolved

Replace lines, replace float light batteries and provide proper stencilling for all life buoys on board.

Stability › Watertight Integrity › General

Issued 27 March 2018 Resolved

make water tight all deck cable penetrations.

Condition: Improper/Lack of Maintenance
Action required: 17 - Rectify deficiencies prior to departure
Resolved 4 May 2018
Resolution: ABS surveyor verified deficiency was corrected, marine inspector confirmed.

Fire Fighting › Fire Main › Condition

Issued 27 March 2018 Resolved

Crop and renew fire main piping on main deck, as discussed.

Casualty record · 2

11 June 2013Routine · role: Involved in a Marine Casualty · activity 4632130

30 November 2013Routine · role: Involved in a Marine Casualty · activity 4762492

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

HARVEY ROVER (2013). 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.