NORDIC ZENITH — Know Your Vessel

Updated: 2026-07-26 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
LIBERIA
Type
Oil tanker
Built
2011
15 years old
DWT
50,000

Present Location

Last seen at
ISTANBUL
TUR
Arrived
2026-07-03
Departed
2026-07-10
16d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
24,519
tonnes/year
Distance
56,329
nm/year
YearRatingRatio
2023Unrated
2022Unrated
2021Unrated
2020Unrated
2019Unrated
2018Unrated

EU MRV 2024: 26,209 t CO2, 8,373 t fuel

Voyage Pattern

Port Visits
77
Avg Dwell
49h
2d per port
Port Utilization
14.3%
time in port
Dark Events
1
36h total

Primary route: ALGECIRAS → GIBRALTAR → LIVERPOOL

Data period: 2023-07-16 to 2026-07-10

PortCountryVisits
LIVERPOOLGBR5
GIBRALTARGIB5
ALGECIRASESP5
MARSAXLOKKMLT4
DEU-626DEU4

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-07-032026-07-10ISTANBULTUR7.1d
2026-04-172026-04-22TANJUNG PELEPASMYS5.6d
2026-03-172026-03-19NGA2.4d
2026-02-232026-02-24ROTTERDAM MAASVLAKTENLD1.6d
2026-02-212026-02-23NLD1.9d
2026-02-172026-02-18NOR1.8d
2026-02-072026-02-11DEU4.2d
2026-02-062026-02-07BREMERHAVEN ANCHORAGEDEU0.8d
2026-02-052026-02-06DEU-626DEU1.6d
2026-02-042026-02-04BREMERHAVENDEU0.1d
2026-01-032026-01-05ALGECIRASESP2.1d
2025-11-252025-11-26LAS PALMASESP1.3d
2025-11-152025-11-17GBR1.9d
2025-11-142025-11-15LIVERPOOLGBR1.6d
2025-11-122025-11-13GBR1.3d
2025-10-232025-10-25HOUSTONUSA2.1d
2025-10-212025-10-23USA2.7d
2025-09-232025-09-26GIBRALTARGIB3d
2025-09-192025-09-22CARTAGENAESP2.5d
2025-08-062025-08-09MARSAXLOKKMLT2.9d

AIS Dark Periods

1 events, 36 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2025-05-152025-05-1636HIGH 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, 1996 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2025-08-27213.8, -47.61.7 kn
2025-08-18635.4, -7.51.6 kn
2025-08-18135.2, -7.00.9 kn
2025-08-148435.4, -6.80.6 kn
2025-08-14835.7, -6.60.9 kn
2025-05-201329.1, -16.31.6 kn
2025-05-20229.2, -16.01.9 kn
2025-05-20429.3, -15.81.8 kn
2025-05-191229.4, -15.51.8 kn
2025-05-183029.7, -14.91.5 kn

STS Encounter Detection

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

2025-01-23 — 8.0, -56.9

VesselIMOStatusDurationSpeed
FRATERNITY9416733Clean4h1.8 kn
FRATERNITY9416733Clean1h1.9 kn

2024-11-07 — 25.3, -95.5

VesselIMOStatusDurationSpeed
YASA HAWK9619531Clean95h0.6 kn

2024-11-01 — 25.5, -95.5

VesselIMOStatusDurationSpeed
SEAWAYS LOOKOUT9700342Clean89h0.9 kn

2024-10-30 — 25.7, -95.0

VesselIMOStatusDurationSpeed
SEAWAYS LOOKOUT9700342Clean58h0.7 kn
SEAWAYS LOOKOUT9700342Clean89h0.9 kn

2024-08-23 — 24.9, -95.8

VesselIMOStatusDurationSpeed
KLARA9405904Clean72h0.5 kn

2024-08-07 — 25.4, -94.0

VesselIMOStatusDurationSpeed
SILVER ELLIE9692387Clean10h0.7 kn

2024-06-19 — 28.7, -15.2

VesselIMOStatusDurationSpeed
SEA STRATUS9724556Clean3h1.7 kn

2024-06-18 — 28.7, -15.0

VesselIMOStatusDurationSpeed
SEA STRATUS9724556Clean1h1.6 kn

2023-07-30 — 29.0, -94.5

VesselIMOStatusDurationSpeed
ESTHER SPIRIT9282053Clean12h0.1 kn
PLATA NORTH9384605Clean31h0.1 kn
EAGLE SAPPORO9387255Clean134h0.0 kn
NOBLEWAY9411082Clean1h1.7 kn
STORHOLMEN9436408Clean66h0.1 kn
STORHOLMEN9436408Clean126h0.1 kn
FURUHOLMEN9553397Clean191h0.0 kn
FURUHOLMEN9553397Clean7h0.0 kn
KNOKKE9687497Clean10h0.0 kn
STI LOMBARD9708150Clean8h0.1 kn

2023-07-27 — 28.5, -94.6

VesselIMOStatusDurationSpeed
ESTHER SPIRIT9282053Clean16h0.3 kn
DUBAI BEAUTY9422548Clean10h0.2 kn
FURUHOLMEN9553397Clean38h0.2 kn

2023-07-24 — 28.4, -94.5

VesselIMOStatusDurationSpeed
ESTHER SPIRIT9282053Clean2h0.7 kn
HABARI9386940Clean357h0.0 kn
ELANDRA FJORD9482550Clean8h0.2 kn
FURUHOLMEN9553397Clean29h0.0 kn
FURUHOLMEN9553397Clean18h0.1 kn
FURUHOLMEN9553397Clean6h0.1 kn
SEAWAYS SABINE9594755Clean29h0.1 kn
EAGLE SAN JUAN9594846Clean28h0.1 kn
ZOURVA9679593Clean43h0.1 kn
PYXIS LAMDA9708772Clean12h0.2 kn

21 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call SignA8WZ7
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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