SESOK

Towing Vessel · Built 2000s · USCG Arctic District (CGD-A) · Other hulls named SESOK

SESOK is a 2009 towing vessel. The Coast Guard has recorded 13 inspections since 2012, most recently in May 2026, along with 1 deficiency and 3 casualty investigations between 2014 and 2025.

Records from 2012 to 2026. Most recent: inspection, 27 May 2026.

Built: 2009
Last inspected: 27 May 2026
Documentation: Valid · documentation file of 10 September 2026
Inspections: 13
Deficiencies: 1 recorded · 0 without a recorded resolution
Controls: None recorded without a removal date
Casualties: 3 investigations · 2014–2025
Inspected with: 1 other vessel

Identity

US Official No.

1217646

IMO number

9502491 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here

Call sign

WDE7899

MISLE id

994294

Flag

UNITED STATES

MMSI

367399110

Maury page id

psix-994294

Inspections, by type

…physical examinations8

…administrative events2

…with no type recorded3

Years with a record 8 calendar years (2012–2026)

The 13 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 Towing Vessel class in Maury's sources begin in 1980.

Documentation record

Registered dimensions (L × B × D)73.0 ft × 32.0 ft × 7.1 ft

Registered tonnagegross 166 / net 112

ITC dimensions (L × B × D)73.0 ft × 32.0 ft × 7.1 ft

ITC tonnageNot recorded

BuilderDIVERSIFIED MARINE INC · PORTLAND, OR, UNITED STATES · built 2009

Hull materialSteel

PropulsionDiesel Reduction

Hull shapeNot recorded

Hull configurationNot recorded

Hailing portNAKNEK, AK

Trade endorsementsCoastwise, unrestricted, Registry

DocumentationValid · issued 30 January 2026 · expires 31 January 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 it166 - Regulatory (Subpart C or D), Gross Ton
112 - 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

WDE7899MMSI 367399110 · active · voluntarily equipped · granted 29 December 2018, expires 12 March 2029

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.

SIKU Towing Vessel · MISLE 419593 · 13 November 2024 · activity 8319531

Inspection history · 13

27 May 2026 Damage Survey

Physical examination · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 8382877

27 April 2026 Annual Inspection

Physical examination · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 8343895

18 February 2026 Examination of Repairs

Physical examination · Detached Duty Office Seward · USCG Arctic District (CGD-A) · Activity 8312489

19 October 2025 Damage Survey

Physical examination · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 8255874

19 October 2025 Type not recorded

No type recorded · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 8257251

25 February 2025 Internal Structural Exam · COI Inspection · Administrative Inspection · Drydock Exam

Physical examination · Detached Duty Office Seward · USCG Arctic District (CGD-A) · Activity 8081731

13 November 2024 Type not recorded

No type recorded · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 8319531

15 May 2024 Administrative Inspection

Administrative · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 7918191

19 May 2020 Administrative Inspection · Initial Certification

Physical examination · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 6927678

16 June 2019 Examination of Repairs

Physical examination · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 6719703

30 March 2018 MTSA Verification · Uninspected Other

Physical examination · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 6382127

8 September 2014 Type not recorded

No type recorded · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 4985667

8 May 2012 Administration

Administrative · Sector Western Alaska and U.S. Arctic · USCG Arctic District (CGD-A) · Activity 4779871

Deficiency record · 1

02 - Structural Conditions › N/A - No Subsystem › Hull - cracking

Issued 16 June 2019 Resolved

Vessel had a hole in the bottom plate IWO #2 port fuel oil tank. Make permanent repairs to the satisfaction of the Coast Guard.

Action required: 17 - Rectify deficiencies prior to departure
Resolved 17 June 2019
Resolution: Satisfactory repairs made.

Casualty record · 3

8 September 2014Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 4985667

13 November 2024Routine · role: Sighted in Area · activity 8319531

19 October 2025Routine · role: Involved in a Marine Casualty · activity 8257251

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.