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COBALT NOVA — Know Your Vessel

Updated: 2026-07-25 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
LIBERIA
Type
Oil tanker
Built
2011
15 years old

Present Location

Last seen at
TELOK RAMUNIA
MYS
Arrived
2026-07-01
Departed
2026-07-04
21d ago

Risk Assessment

Carbon Intensity (CII)

EU MRV 2024: 43,366 t CO2, 13,886 t fuel

Voyage Pattern

Port Visits
59
Avg Dwell
66h
3d per port
Port Utilization
14.9%
time in port
Dark Events
1
18h total

Primary route: ROTTERDAM MAASVLAKTE → INGLESIDE → SINGAPORE

Data period: 2023-07-09 to 2026-07-04

PortCountryVisits
ROTTERDAM MAASVLAKTENLD8
INGLESIDEUSA5
SINGAPORESGP4
SAINT HELENSGBR3
HARBOR ISLANDUSA3

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-07-012026-07-04TELOK RAMUNIAMYS2.8d
2026-06-162026-06-17SINGAPORESGP1.5d
2026-06-032026-06-04PORT LOUISMUS1d
2026-05-162026-05-18CMR-21CMR1.5d
2026-05-092026-05-11CMR-21CMR1.4d
2026-04-062026-04-08SINGAPORESGP2.1d
2026-04-022026-04-05—MYS2.9d
2026-01-232026-02-02COLOMBOLKA9.2d
2026-01-142026-01-15COLOMBOLKA1.1d
2026-01-052026-01-11—IND5.7d
2025-10-312025-11-01LOMETGO0.8d
2025-10-052025-10-05HARBOR ISLANDUSA0.1d
2025-10-022025-10-05INGLESIDEUSA2.8d
2025-09-042025-09-07SAINT HELENSGBR2.6d
2025-09-012025-09-03ROTTERDAM MAASVLAKTENLD1.6d
2025-07-242025-07-26SAINT HELENSGBR2.3d
2025-07-162025-07-21ROTTERDAM MAASVLAKTENLD5.5d
2025-05-302025-06-01SAINT HELENSGBR2.6d
2025-05-262025-05-28ROTTERDAM MAASVLAKTENLD1.8d
2025-03-152025-03-16CHIRIQUI GRANDEPAN1.5d

AIS Dark Periods

1 events, 18 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2023-08-132023-08-1318————HIGH 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, 1206 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2024-12-136-24.8, -46.80.5 kn—
2024-12-1234-24.8, -46.81.0 kn—
2024-12-0883-25.1, -46.30.7 kn—
2024-12-086-25.4, -45.80.8 kn—
2024-11-175652.2, 3.50.2 kn—
2024-11-106451.9, 2.90.1 kn—
2024-10-223127.6, -96.40.3 kn—
2024-10-22127.8, -96.40.8 kn—
2024-10-211227.7, -96.41.5 kn—
2024-10-201427.7, -96.41.2 kn—

STS Encounter Detection

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

2024-11-17 — 52.2, 3.5

VesselIMOStatusDurationSpeed
ADLER9179854SANCTIONED35h0.1 kn

2024-11-10 — 51.9, 2.9

VesselIMOStatusDurationSpeed
MONA SWAN9371804Clean1h1.9 kn

2024-10-22 — 27.6, -96.4

VesselIMOStatusDurationSpeed
COSFLYING LAKE9698771Clean22h0.2 kn
HAFNIA AQUAMARINE9711573Clean4h1.3 kn

2024-10-21 — 27.7, -96.4

VesselIMOStatusDurationSpeed
COSFLYING LAKE9698771Clean3h1.5 kn

2024-10-20 — 27.7, -96.4

VesselIMOStatusDurationSpeed
COSFLYING LAKE9698771Clean32h0.1 kn

2024-10-20 — 27.6, -96.4

VesselIMOStatusDurationSpeed
COSFLYING LAKE9698771Clean32h0.1 kn

2024-10-20 — 27.9, -96.4

VesselIMOStatusDurationSpeed
COSFLYING LAKE9698771Clean4h0.4 kn
COSFLYING LAKE9698771Clean32h0.1 kn

2024-10-19 — 27.8, -96.4

VesselIMOStatusDurationSpeed
COSFLYING LAKE9698771Clean4h0.4 kn

2024-10-11 — 25.2, -95.6

VesselIMOStatusDurationSpeed
ALPINE LEGEND9478705Clean3h0.4 kn

2024-07-17 — 27.7, -96.4

VesselIMOStatusDurationSpeed
VESTHOLMEN9421295Clean22h0.1 kn
HABRUT9500730Clean501h0.0 kn

2024-07-17 — 27.8, -96.3

VesselIMOStatusDurationSpeed
HABRUT9500730Clean501h0.0 kn

2024-06-19 — 51.9, 2.9

VesselIMOStatusDurationSpeed
TRANS EMERALD9295452Clean2h1.5 kn
MARE PICENUM9449405Clean24h0.1 kn

2024-05-30 — 27.7, -96.1

VesselIMOStatusDurationSpeed
PANTANASSA9424261Clean3h1.1 kn
SPYROS K9565948Clean6h1.2 kn

2024-05-29 — 27.7, -95.8

VesselIMOStatusDurationSpeed
SPYROS K9565948Clean9h0.8 kn

2024-05-25 — 28.6, -94.7

VesselIMOStatusDurationSpeed
WHISTLER SPIRIT9417323Clean8h0.1 kn
VESTHOLMEN9421295Clean15h0.1 kn
ARAGONA9513115Clean27h0.3 kn
ALSACE9530905Clean396h0.0 kn

2024-04-13 — 27.7, -96.3

VesselIMOStatusDurationSpeed
SONANGOL HUILA9575565Clean91h0.0 kn

2024-04-13 — 27.7, -96.1

VesselIMOStatusDurationSpeed
SONANGOL HUILA9575565Clean91h0.0 kn

2024-04-13 — 27.7, -96.2

VesselIMOStatusDurationSpeed
STORHOLMEN9436408Clean6h0.4 kn
SONANGOL HUILA9575565Clean91h0.0 kn

2024-04-12 — 27.7, -96.2

VesselIMOStatusDurationSpeed
SONANGOL HUILA9575565Clean91h0.0 kn

2024-04-12 — 27.7, -96.1

VesselIMOStatusDurationSpeed
SONANGOL HUILA9575565Clean91h0.0 kn

2024-04-11 — 27.7, -96.3

VesselIMOStatusDurationSpeed
SONANGOL HUILA9575565Clean91h0.0 kn

2024-04-03 — 28.7, -94.6

VesselIMOStatusDurationSpeed
ANDROMEDA9352561Clean54h0.0 kn
EAGLE HAMILTON9426207Clean3h0.6 kn
BRENTHOLMEN9436393Clean125h0.1 kn
BRENTHOLMEN9436393Clean19h0.1 kn
BRENTHOLMEN9436393Clean17h0.0 kn
EAGLE HALIFAX9453987Clean1h0.4 kn
ROSS SEA9457593Clean429h0.1 kn
BARCELONA SPIRIT9578634Clean184h0.1 kn
SEAWAYS COLORADO9594767Clean33h0.2 kn
EAGLE SAN ANTONIO9594822Clean6h1.1 kn
EAGLE SAN ANTONIO9594822Clean23h0.0 kn

2024-04-02 — 28.7, -94.6

VesselIMOStatusDurationSpeed
BRENTHOLMEN9436393Clean125h0.1 kn

24 unique vessels encountered, 1 sanctioned

USCG Registration

StatusActive
Call SignD5YX2
Deficiency Count0
Detention Count0
Last Exam—

Data sources: USCG CGMIX, EU MRV (EMSA), 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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