COSWISDOM LAKE — Know Your Vessel

Updated: 2026-07-27 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
HONG KONG
Type
Oil tanker
Built
2016
10 years old
DWT
25,000

Present Location

Last seen at
TIANJIN
CHN
Arrived
2026-07-20
Departed
2026-07-23
4d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
5,634
tonnes/year
Distance
8,797
nm/year

EU MRV 2023: 5,634 t CO2, 1,798 t fuel, 640.47 kg CO2/nm

Voyage Pattern

Port Visits
61
Avg Dwell
54h
2d per port
Port Utilization
13.9%
time in port
Dark Events
1
34h total

Primary route: TELOK RAMUNIA → ULSAN → RAS TANURA

Data period: 2023-11-11 to 2026-07-23

PortCountryVisits
TELOK RAMUNIAMYS10
ZIRKUARE4
ULSANKOR4
RAS TANURASAU4
HUIZHOUCHN4

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-07-202026-07-23TIANJINCHN3.7d
2026-06-092026-06-12DJENOCOG2.7d
2026-06-082026-06-09POINTE NOIRECOG0.6d
2026-05-082026-05-10TELOK RAMUNIAMYS2.5d
2026-04-292026-05-02HUIZHOUCHN3.1d
2026-04-252026-04-29CHN-2390CHN3.2d
2026-04-242026-04-25ZHANJIANGCHN0.5d
2026-04-222026-04-24ZHANJIANGCHN1.9d
2026-03-302026-03-31SAU1.6d
2026-03-052026-03-06TELOK RAMUNIAMYS1.5d
2026-02-242026-02-27NINGBOCHN2.9d
2026-01-172026-01-18AGO1.3d
2025-12-182025-12-20TELOK RAMUNIAMYS1.8d
2025-12-102025-12-11ULSANKOR0.8d
2025-12-012025-12-01ULSANKOR0.7d
2025-11-282025-11-28ULSANKOR0.6d
2025-11-232025-11-24ONSANKOR0.6d
2025-10-052025-10-07ARZEWDZA2.1d
2025-09-262025-09-27ALGECIRASESP1d
2025-09-212025-09-25SINESPRT3.3d

AIS Dark Periods

1 events, 34 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2026-06-132026-06-1534HIGH RISK ZONE

ESTIMATED — implied speed = straight-line distance / dark hours. Actual route unknown. Reference: loaded VLCC ~12-14 kn, ballast ~15-16 kn, stationary <1 kn = possible STS or anchorage.

Loitering Events

99 events, 1452 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2025-11-291135.2, 130.21.2 knHIGH RISK
2025-11-29235.1, 130.11.7 knHIGH RISK
2025-11-281835.1, 129.91.0 knHIGH RISK
2025-11-271235.1, 129.81.0 knHIGH RISK
2025-11-27335.1, 129.71.6 knHIGH RISK
2025-11-243635.0, 129.71.2 knHIGH RISK
2025-11-122-7.4, 103.31.3 kn
2025-09-294335.8, -2.20.6 kn
2025-09-271135.8, -3.51.2 kn
2025-09-25136.4, -8.82.0 kn

STS Encounter Detection

Other vessels detected loitering at the same position and time (within ~30nm, overlapping window)

2025-11-29 — 35.2, 130.2

VesselIMOStatusDurationSpeed
MAHADAH SILVER9718777Clean17h1.4 kn

2025-06-22 — Fujairah / Hormuz

VesselIMOStatusDurationSpeed
PHONIX9198317SANCTIONED2285h0.0 kn
ST.OSLO9177806SANCTIONED230h0.0 kn

2025-03-27 — 3.9, 106.1

VesselIMOStatusDurationSpeed
ICE VICTORY9301744Clean21h0.1 kn

2025-02-07 — -6.3, 11.1

VesselIMOStatusDurationSpeed
SEEB9500716Clean165h0.1 kn

2025-02-06 — -6.2, 11.1

VesselIMOStatusDurationSpeed
SEEB9500716Clean165h0.1 kn

2024-11-29 — 27.1, 50.3

VesselIMOStatusDurationSpeed
CHEM GUARD9261762Clean4h1.8 kn
CHEM GUARD9261762Clean2h1.6 kn
PLATA SOUTH9353797Clean158h0.2 kn
HAFNIA NORDICA9426283Clean6h1.6 kn

2024-08-20 — Persian Gulf (Kharg Island)

VesselIMOStatusDurationSpeed
GLOBAL ELEGANCE9232955SANCTIONED9144h0.0 kn
ADENA9254862SANCTIONED50h0.2 kn
SEATURBO9204764SANCTIONED143h0.0 kn
DIVIT9194139SANCTIONED2616h0.1 kn

2024-03-11 — 27.1, 50.3

VesselIMOStatusDurationSpeed
LAYLA9336098Clean136h0.1 kn
NISALAH9484730Clean175h0.1 kn
HERCULES I9723124Clean57h0.3 kn

2024-02-10 — 35.0, 130.4

VesselIMOStatusDurationSpeed
PS CAPRI9528392Clean12h1.2 kn

2024-02-09 — 35.0, 130.0

VesselIMOStatusDurationSpeed
PS CAPRI9528392Clean4h1.6 kn
SILVER HANNAH9682409Clean18h1.0 kn
HAFNIA AMETHYST9714501Clean15h0.9 kn
HAFNIA AMETHYST9714501Clean3h1.1 kn

2024-02-09 — 34.9, 129.8

VesselIMOStatusDurationSpeed
PS CAPRI9528392Clean8h0.7 kn

2024-02-07 — 34.9, 129.8

VesselIMOStatusDurationSpeed
PS CAPRI9528392Clean8h0.7 kn
PS CAPRI9528392Clean16h0.8 kn

2024-02-05 — 35.0, 129.7

VesselIMOStatusDurationSpeed
GINGA PUMA9343780Clean4h1.7 kn
CARONI PLAIN9392327Clean2h1.6 kn

2024-02-05 — 35.0, 130.0

VesselIMOStatusDurationSpeed
GINGA PUMA9343780Clean4h1.7 kn

2024-02-04 — 35.0, 129.8

VesselIMOStatusDurationSpeed
HAFNIA JAGUAR9635858Clean10h1.1 kn

2024-02-03 — 35.0, 129.7

VesselIMOStatusDurationSpeed
HAFNIA JAGUAR9635858Clean11h1.6 kn

2024-02-02 — 35.1, 129.7

VesselIMOStatusDurationSpeed
HAFNIA JAGUAR9635858Clean14h0.8 kn

21 unique vessels encountered, 6 sanctioned

USCG Registration

StatusActive
Call SignVRQD5
Deficiency Count0
Detention Count0
Last Exam

Data sources: USCG CGMIX, EU MRV (EMSA), CII computed, Global Fishing Watch, GFW dark events. All records cryptographically attested on Polygon.

Data sources: U.S. Treasury (OFAC SDN), U.S. Energy Information Administration, European Maritime Safety Agency (EU MRV), U.S. Coast Guard (PSIX), Global Fishing Watch (GFW satellite AIS), AISStream.io. All data cryptographically attested on Polygon blockchain.

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