MAURY USCG vessel records
← All vessels

POLAR DISCOVERY

Tank Ship · Built 2000s · USCG Southwest District (CGD-SW)

POLAR DISCOVERY is a 2003 tank ship. The Coast Guard has recorded 43 inspections since 2016, most recently in January 2026, along with 14 deficiencies, 4 operational controls and 6 casualty investigations between 2006 and 2024.

Records from 2006 to 2026. Most recent: inspection, 2 January 2026.

Built
2003
Last inspected
2 January 2026
Documentation
Valid · documentation file of 10 August 2026
Inspections
43
Deficiencies
14 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
6 investigations · 2006–2024
Inspected with
4 other vessels

Everything above is free. The detail below — the inspection history, the deficiency record, the operational controls, the tow units, the casualty record and the documentation record — is Professional, $39 a month. Sign in.

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 Tank Ship class in Maury's sources begin in 2016.

Inspection record

Last inspected 2 January 2026
Recorded inspections43
…physical examinations23
…administrative events15
…with no type recorded5
Deficiencies 14 recorded · 0 without a recorded resolution
Operational controls None recorded without a removal date
Years with a record 11 calendar years (2016–2026)
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.
1137026
IMO number
9206114
Call sign
WACW
MISLE id
606925
Flag
UNITED STATES
Maury page id
psix-606925

Documentation record

Registered dimensions (L × B × D)854.3 ft × 151.6 ft × 83.0 ft
Registered tonnagegross 85,387 / net 41,995
ITC dimensions (L × B × D)854.3 ft × 151.6 ft × 83.0 ft
ITC tonnagegross 85,387 / net 41,995
BuilderNORTHROP GRUMMAN SHIP SYSTEMS · AVONDALE, LA, UNITED STATES · built 2003
Hull materialSteel
PropulsionDiesel
Hull shapeUNSPECIFIED
Hull configurationUNSPECIFIED
Hailing portLONG BEACH, CA
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 13 May 2026 · expires 30 June 2027
Service, as the file records itTank Ship
Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it85387 - Convention (Subpart B), Gross Ton
41995 - Convention (Subpart B), Net Ton
141740 - 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.
Professional
Detail on this page

43 inspections, each with its date, unit and type; 14 deficiencies with the resolution recorded against each; 4 operational controls with the dates imposed and removed; 4 vessels inspected with it, by name and date; 6 casualty investigations, with date and classification; the documentation record: dimensions, tonnage, builder, hailing port, endorsements, dates. The counts in the summary above are the same counts, and they are free.

$39 a month or $299 a year, every vessel page, cancel any time. Founding rate $19.99 a month for life, for the first 200 subscribers. Plans Sign in

Maury does not score, rate or grade vessels, at any price.

Vessel history report
Every record for this hull, in one document — $299

Every recorded inspection, 2016 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.

TORM RESILIENCE Tank Ship · MISLE 804861 · 24 November 2019 · activity 6863285DELTA LINDA Towing Vessel · MISLE 925252 · 24 November 2019 · activity 6863285DELTA CATHRYN Towing Vessel · MISLE 998404 · 24 November 2019 · activity 6863285SARAH Towing Vessel · MISLE 1372579 · 24 November 2019 · activity 6863285

Inspection history · 43

2 January 2026 Administrative Inspection · Deficiency Check
Physical examination · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 8289473
1 January 2026 Administrative Inspection
Administrative · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 8289046
2 December 2025 MTSA/ISPS Verification · Deficiency Check · Re-Inspection · ACP COI Oversight
Physical examination · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 8276255
1 October 2025 Administrative Inspection
Administrative · Activities Far East · USCG Oceania District (CGD-O) · Activity 8244583
14 August 2025 Administrative Inspection
Administrative · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 8209965
11 March 2025 Annual Inspection · ACP Annual Oversight
Physical examination · Sector Los Angeles/Long Beach · USCG Southwest District (CGD-SW) · Activity 8078596
6 December 2024 Damage Survey
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 8045197
15 October 2024 Type not recorded
No type recorded · Sector Los Angeles/Long Beach · USCG Southwest District (CGD-SW) · Activity 8020613
27 March 2024 Administrative Inspection
Administrative · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 7886110
25 September 2023 Periodic Inspection · ACP Periodic Oversight · MTSA/ISPS Verification · Drydock Exam
Physical examination · Marine Inspections Unit Singapore · USCG Oceania District (CGD-O) · Activity 7799045
15 April 2023 Administrative Inspection · Deficiency Check
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 7670547
9 February 2023 ACP Annual Oversight · MTSA/ISPS Verification · Annual Inspection
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7637236
18 March 2022 ACP Annual Oversight · Annual Inspection
Physical examination · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 7414158
13 January 2022 Damage Survey · Administrative Inspection · Deficiency Check
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7379922
12 January 2022 Type not recorded
No type recorded · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7380241
14 July 2021 Administrative Inspection
Administrative · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 7256446
6 July 2021 Type not recorded
No type recorded · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7282838
8 January 2021 ACP Drydock Oversight · Drydock Exam
Physical examination · Marine Inspections Unit Singapore · USCG Oceania District (CGD-O) · Activity 7121440
1 December 2020 Administrative Inspection
Administrative · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 7117054
16 November 2020 MTSA/ISPS Verification · ACP COI Oversight · Re-Inspection
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7096395
17 March 2020 Type not recorded
No type recorded · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6929795
25 February 2020 MARPOL Annex I Examination · ACP Annual Oversight · MARPOL Annex VI Survey · MTSA/ISPS Verification · Annual Inspection
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7108460
13 January 2020 Administrative Inspection
Administrative · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6888691
24 November 2019 In-Service Inspection · Damage Survey
Physical examination · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 6861670
24 November 2019 Type not recorded
No type recorded · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 6863285
25 September 2019 Administrative Inspection
Administrative · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 6820718
14 March 2019 Deficiency Check · Administrative Inspection
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6647472
26 February 2019 Administrative Inspection
Administrative · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6632791
19 February 2019 ACP Annual Oversight · Annual Inspection
Physical examination · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 6622386
19 December 2018 Administrative Inspection
Administrative · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 6600952
18 December 2018 MTSA/ISPS Verification
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6600511
13 December 2018 Administrative Inspection
Administrative · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6597478
8 December 2018 Administrative Inspection
Administrative · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6594188
19 June 2018 Administrative Inspection
Administrative · Marine Inspections Unit Singapore · USCG Oceania District (CGD-O) · Activity 6449975
29 March 2018 Internal Structural Exam · Administrative Inspection · Drydock Exam
Physical examination · Activities Far East · USCG Oceania District (CGD-O) · Activity 6380909
19 December 2017 ACP Annual Oversight · Annual Inspection
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 6323333
11 September 2017 Administrative Inspection
Administrative · Marine Inspections Unit Singapore · USCG Oceania District (CGD-O) · Activity 6263994
9 February 2017 Administrative Inspection
Administrative · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 6087221
26 January 2017 MTSA Verification · ACP Annual Oversight · Annual Inspection · MARPOL Annex I Examination · MARPOL Annex VI Survey
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 6081065
13 December 2016 Deficiency Check
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6064003
3 December 2016 Deficiency Check
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6051989
21 November 2016 Deficiency Check
Physical examination · Sector Los Angeles/Long Beach · USCG Southwest District (CGD-SW) · Activity 6043132
11 November 2016 Deficiency Check
Physical examination · Marine Safety Unit Valdez · USCG Arctic District (CGD-A) · Activity 6041082

Deficiency record · 14

02 - Structural Conditions › N/A - No Subsystem › Electrical installations in general
Issued 15 December 2025 Resolved
Where "B" class divisions are penetrated for the passage of electric cables, pipes, trunks, ducts, etc., or for the fitting of ventilation terminals, lighting fixtures and similar devices, arrangements shall be made to ensure that the fire resistance is not impaired. Cable transit from CO2 storage room to stores space found opened with new wire penetration. 74SOLAS(20)II-2/9.3.2
Condition: Improper Installation
Action required: 16 - Rectify deficiencies w/in 14 days
Resolved 22 December 2025
Resolution: Accepted by RO.
02 - Structural Conditions › N/A - No Subsystem › Loading/Ballast condition
Issued 27 March 2024 Resolved
The master, owner, operator, agent, or person in charge of a vessel equipped with ballast tanks that operates in the waters of the United States must employ one of the following ballast water management methods: (1) Install and operate a ballast water management system (BWMS) that has been approved by the Coast Guard under 46 CFR part 162. Vessel reported ballast water treatment system to be inoperable due to sediment introduced into the system. Repair the ballast water treatment system and prove proper operation to the satisfaction of the RO. 33CFR151.2025(a)(1)
Condition: Invalid
Action required: 16 - Rectify deficiencies w/in 14 days
Due 10 April 2024
Resolved 26 April 2024
Resolution: Recieved ABS report, BWTS is fully operational. Def cleared.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Other (machinery)
Issued 25 September 2023 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 onboard. Excessive oil pooled IWO main engine HP Fuel Pumps & Gear Box, and both SSDGs. Clean and assess operating condition during sea trials.
Condition: Improper/Lack of Maintenance
Action required: 702 - Prior to embarking on international voyage
Resolved 30 November 2023
06 - Cargo Operations Including Equipment › N/A - No Subsystem › Other (cargo)
Issued 25 September 2023 Resolved
Pressure vacuum devices shall be provided to prevent cargo tank excessive positive and negative pressure. found PV breakers empty.
Condition: Placed in Improper Service
Action required: 701 - Prior to carriage of passengers/cargo
Resolved 30 November 2023
18 - Maritime Labour Convention (Not Applicable to PSC Exams conducted in the U.S.) › N/A - No Subsystem › Gas instruments
Issued 25 September 2023 Resolved
Suitable means shall be provided for the zero and span calibration of both fixed and portable gas concentration measurement instruments. Missing gas for zero check as per manufacture instructions.
Condition: Placed in Improper Service
Action required: 50 - Rectify deficiencies w/in 30 days
Resolved 30 November 2023
07 - Fire Safety › N/A - No Subsystem › Other (fire safety)
Issued 25 September 2023 Resolved
Fire-fighting systems and appliances shall be kept in good And readily available for immediate use. damaged gasket to fire door IWO FO purifier room, frozen fire hose nozzle fire station 48, repair to OEM specifications.
Condition: Improper/Lack of Maintenance
Action required: 50 - Rectify deficiencies w/in 30 days
Resolved 30 November 2023
09 - Working and Living Conditions › 092 - Working Conditions › Electrical
Issued 25 September 2023 Resolved
Metallic band strapping used for cable support should be steel and corrosion treated and placed not less than every 2.5m on horizontal runs. Heating cable not properly supported overhead of egress route IWO of P/S main prop.
Condition: Improper Installation
Action required: 50 - Rectify deficiencies w/in 30 days
Resolved 30 November 2023
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 15 April 2023 Resolved
The machinery, boilers and other pressure vessels, associated piping systems and fittings shall be of a design and construction adequate for the service for which they are intended. Vessel reported a malfunction of the fuel rack actuator. This caused the vessel to be unable to power up the port side main engine. The Crew was able to switch out the actuator. The Port side engine was brought on line and tested several times. This vessel is enrolled in the ACP and therefore is required to notify ABS as the RO of the system failure. 74SOLAS(22) Ch. II-I Reg. 26.1
Action required: 15 - Rectify deficiencies by next port
Due 16 April 2023
Resolved 18 April 2023
Resolution: [name withheld], the Seattle [name withheld] acknowledged the notification.
02 - Structural Conditions › N/A - No Subsystem › Hull damage impairing seaworthiness
Issued 26 November 2019 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. Vessel sustained damage to the starboard bow as the result of an allision with moored tanker. Vessel must submit plan to complete repairs to the damage identified in ABS Survey #4019486 that was conducted on 24NOV19. 74 SOLAS (04) I-11(a), Code 15A
Condition: Damaged By Earlier Event
Action required: 15 - Rectify deficiencies by next port
Due 26 November 2019
Resolved 26 November 2019
Resolution: ABS Finding No. 1544 in Preliminary Report (Work Order 4019486)
02 - Structural Conditions › N/A - No Subsystem › Hull damage impairing seaworthiness
Issued 24 November 2019 Resolved
In addition to the requirements contained elsewhere in the present regulations, ships shall be designed, constructed and maintained in compliance with the structural, mechanical and electrical requirements of a classification society which is recognized by the Administration in accordance with the provisions of regulation XI-1/1, or with applicable national standards of the Administration which provide an equivalent level of safety. Vessel has visible damage on the starboard bow as the result of an allision with moored tanker. Vessel requires class surveyor attendance to assess the overall structural integrity of the vessel, including the bulbous bow. Vessel is not permitted to conduct cargo operations. 74SOLAS(04)II-1/3-1 17ac
Action required: 17 - Rectify deficiencies prior to departure
Due 24 November 2019
Resolved 26 November 2019
Resolution: ABS Surveyor completed survey of the vessel with naval architect. Ship was deemed in satisfactory condition for cargo operations. See Documents for survey details.
10 - Safety of Navigation › N/A - No Subsystem › Radar
Issued 8 December 2018 Resolved
10CM Radar inoperable.
Condition: Invalid
Action required: 16 - Rectify deficiencies w/in 14 days
Due 1 January 2019
Resolved 23 December 2018
Resolution: Tech report showing report provided by vessel rep. See attached document.
Communications › Radio Communications › Satellite Communications Capability
Issued 9 February 2017 Resolved
Repair inoperable INMARSAT C terminal. 47 CFR 80.1085
Action required: 705 - Other - as specified
Due 12 March 2017
Resolved 21 February 2017
Resolution: Received email with tech report attached describing repair made and ensuring tests completed were successful.
Engineering › Lubricating Oil Service System › Piping
Issued 3 December 2016 Resolved
Make permanent repairs to the lube oil supply line to the #1 control oil pump to the satisfaction of class society.
Condition: Design Flaw
Action required: 705 - Other - as specified
Due 24 December 2016
Resolved 13 December 2016
Engineering › Steering Gear System › Pump
Issued 11 November 2016 Resolved
Steering Gear Frequency Drive on Port Side #2 is inoperable. Repairt and test to the satisfaction of attending U.S. Coast Guard marine inspector.
Action required: 705 - Other - as specified
Due 11 December 2016
Resolved 21 November 2016
Resolution: Variable frequency drive motor timing was misadjusted causing over heat. Test sat.

Casualty record · 6

8 November 2006Routine · role: Involved in a Marine Casualty · activity 2817602
20 August 2013Routine · role: Involved in a Marine Investigation (non-casualty) · activity 4704674
24 November 2019Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · activity 6863285
17 March 2020Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 6929795
12 January 2022Routine · role: Involved in a Marine Casualty · activity 7380241
15 October 2024Routine · role: Involved in a Marine Casualty · activity 8020613
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.