GRAN COUVA — Know Your Vessel

Updated: 2026-07-25 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
HONG KONG
Type
Chemical tanker
Built
2008
18 years old
DWT
25,000

Present Location

Last seen at
ULSAN
KOR
Arrived
2025-09-06
Departed
2025-09-08
321d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
1,172
tonnes/year
Distance
3,294
nm/year
YearRatingRatio
2023Unrated
2022Unrated
2021Unrated
2020Unrated
2019Unrated
2018Unrated

EU MRV 2023: 1,172 t CO2, 371 t fuel, 355.83 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
61h
3d per port
Port Utilization
31.7%
time in port
Dark Events
1
19h total

Primary route: ULSAN → NINGBO → YOKOHAMA

Data period: 2023-07-01 to 2025-09-08

PortCountryVisits
ULSANKOR16
NINGBOCHN7
YOKOHAMAJPN5
BARBERS POINTUSA5
TELOK RAMUNIAMYS3

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-09-062025-09-08ULSANKOR1.7d
2025-09-022025-09-04YOKOHAMAJPN1.9d
2025-08-272025-08-30JPN2.6d
2025-08-232025-08-26QUANZHOUCHN2.9d
2025-08-192025-08-21SHANGHAICHN1.8d
2025-08-182025-08-19SHANGHAICHN0.6d
2025-08-122025-08-17KOR4.9d
2025-08-082025-08-10DALIANCHN2.2d
2025-08-022025-08-04YOKOHAMAJPN1.9d
2025-07-272025-07-30ULSANKOR2.9d
2025-07-242025-07-25YOKKAICHIJPN0.9d
2025-07-052025-07-06NCL0.8d
2025-06-282025-06-29TIMARUNZL1.1d
2025-06-262025-06-27WELLINGTONNZL0.3d
2025-06-152025-06-17PAPEETEPYF1.5d
2025-06-062025-06-08FJI2.8d
2025-05-152025-05-20TELOK RAMUNIAMYS5d
2025-05-082025-05-12TELOK RAMUNIAMYS3.7d
2025-05-022025-05-03HONGKONGCHN1.1d
2025-04-222025-04-23BAYUQUANCHN1.3d

AIS Dark Periods

1 events, 19 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2023-07-272023-07-2819HIGH 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

62 events, 1035 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-06-07132.5, 123.61.4 kn
2025-11-293323.2, 61.10.5 knHIGH RISK
2025-11-281423.2, 61.20.9 knHIGH RISK
2025-11-273023.3, 61.30.5 knHIGH RISK
2025-11-254423.5, 61.00.4 knHIGH RISK
2025-11-241423.3, 60.80.6 knHIGH RISK
2025-11-232123.4, 60.80.7 knHIGH RISK
2025-11-055525.5, 54.90.1 knHIGH RISK
2025-10-101330.1, 123.30.2 kn
2025-09-24235.6, 130.11.5 knHIGH RISK

STS Encounter Detection

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

2025-11-05 — 25.5, 54.9

VesselIMOStatusDurationSpeed
NEXO9014456SANCTIONED54h0.1 kn
TUSITALA8912546SANCTIONED56h0.1 kn
MONJASA MASTER9461659Clean46h0.0 kn

2025-10-10 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
FOGAS9012886SANCTIONED85h0.1 kn
XAVIA9052331SANCTIONED12h0.1 kn
G SUMMER9143506SANCTIONED160h0.1 kn

2025-09-24 — 35.6, 130.1

VesselIMOStatusDurationSpeed
MERIDIAN EXPRESS9596272Clean8h1.4 kn

2025-02-03 — 35.2, 129.7

VesselIMOStatusDurationSpeed
CHEMROAD ROSE9317846Clean3h1.6 kn

2024-12-24 — 35.3, 129.9

VesselIMOStatusDurationSpeed
STOLT CONFIDENCE9102071Clean15h0.6 kn

2024-12-16 — 42.0, 141.6

VesselIMOStatusDurationSpeed
PENTOZALI9425538Clean18h1.0 kn

2024-12-14 — 42.0, 141.6

VesselIMOStatusDurationSpeed
PENTOZALI9425538Clean18h0.7 kn

2024-12-13 — 41.9, 141.8

VesselIMOStatusDurationSpeed
PENTOZALI9425538Clean21h0.9 kn

2024-12-12 — 41.8, 141.7

VesselIMOStatusDurationSpeed
PENTOZALI9425538Clean17h1.2 kn
STI BLACK HAWK9704453Clean8h1.9 kn

2024-11-27 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
ORCHID MADEIRA9367401Clean57h0.2 kn
JIPRO ISIS9370719Clean80h0.0 kn
ARGENT ASTER9379959Clean151h0.0 kn
FELIX9181194SANCTIONED251h0.1 kn
ALSACE9530905Clean34h0.0 kn
HARBOUR SPLENDOR9575096Clean14h0.1 kn
YASA SCORPION9643271Clean16h0.2 kn

2024-11-23 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
BRIGHT GOLD9171503SANCTIONED291h0.1 kn
ORCHID MADEIRA9367401Clean20h0.0 kn

2024-09-17 — 35.1, 130.2

VesselIMOStatusDurationSpeed
FALKANGER9387695Clean13h0.4 kn

2024-09-17 — 35.0, 130.2

VesselIMOStatusDurationSpeed
FALKANGER9387695Clean13h0.4 kn

2024-09-16 — 35.0, 130.2

VesselIMOStatusDurationSpeed
FALKANGER9387695Clean23h0.8 kn

2024-09-16 — 34.7, 129.9

VesselIMOStatusDurationSpeed
EPSILONGAS9202039Clean3h1.7 kn
FALKANGER9387695Clean23h0.8 kn

2024-09-16 — 35.3, 129.8

VesselIMOStatusDurationSpeed
EPSILONGAS9202039Clean4h1.6 kn

2024-04-24 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
SEAWAYS RAFFLES9411032Clean81h0.1 kn

2024-02-26 — 35.1, 129.7

VesselIMOStatusDurationSpeed
JAHAM9378541Clean15h1.2 kn
JAHAM9378541Clean15h1.0 kn
PYXIS KARTERIA9596260Clean8h1.5 kn

2023-07-29 — 25.2, -93.8

VesselIMOStatusDurationSpeed
IZKI9500924Clean193h0.7 kn

2023-07-28 — 25.2, -93.8

VesselIMOStatusDurationSpeed
IZKI9500924Clean193h0.7 kn

25 unique vessels encountered, 7 sanctioned

USCG Registration

StatusActive
Call SignVREK4
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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