OCEAN NISA — Know Your Vessel

Updated: 2026-07-27 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
MARSHALL ISLANDS
Type
Oil tanker
Built
2022
4 years old

Present Location

Last seen at
ANTWERP
BEL
Arrived
2025-10-27
Departed
2025-10-29
271d ago

Risk Assessment

Carbon Intensity (CII)

EU MRV 2022: 0 t CO2, 0 t fuel, Division by zero! kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
52h
2d per port
Port Utilization
25.7%
time in port

Primary route: DURBAN → TELOK RAMUNIA → ULSAN

Data period: 2023-07-15 to 2025-10-29

PortCountryVisits
DURBANZAF6
TELOK RAMUNIAMYS5
ULSANKOR3
ANTWERPBEL3
YANTAICHN2

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-10-272025-10-29ANTWERPBEL2d
2025-10-232025-10-26BRAKEDEU2.6d
2025-10-222025-10-23BREMERHAVENDEU0.3d
2025-10-202025-10-21FRA1.3d
2025-10-202025-10-20DUNKIRKFRA0.1d
2025-09-272025-10-02SABINE PASSUSA4.1d
2025-09-272025-09-27USA0.3d
2025-09-192025-09-22CHARLESTONUSA2.8d
2025-09-122025-09-14CAN2.4d
2025-09-072025-09-11SHEARWATERCAN3.8d
2025-08-212025-08-27ANTWERPBEL5.4d
2025-08-202025-08-21ANTWERPBEL0.9d
2025-08-182025-08-20AMSTERDAMNLD2.1d
2025-08-132025-08-18IJMUIDENNLD5d
2025-08-122025-08-13AMSTERDAMNLD0.6d
2025-06-292025-06-30TELOK RAMUNIAMYS0.8d
2025-06-162025-06-19LAIZHOUCHN2.3d
2025-06-162025-06-16LAIZHOUCHN0.2d
2025-06-112025-06-16DONGYINGCHN4.7d
2025-06-092025-06-11YANTAICHN1.9d

Loitering Events

70 events, 777 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-05-12127.6, -89.80.7 kn
2026-04-163-8.4, -81.30.5 kn
2025-06-072136.8, 124.40.4 knHIGH RISK
2025-06-06736.8, 124.71.4 knHIGH RISK
2025-06-06137.1, 124.11.8 knHIGH RISK
2025-06-051236.9, 124.21.4 knHIGH RISK
2025-06-05937.0, 124.51.4 knHIGH RISK
2025-06-041936.9, 124.30.6 knHIGH RISK
2025-06-03436.9, 124.71.0 knHIGH RISK
2025-06-03736.9, 124.91.3 knHIGH RISK

STS Encounter Detection

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

2024-07-11 — 35.6, 130.0

VesselIMOStatusDurationSpeed
SILVER ESTHER9683336Clean12h1.7 kn

2023-08-16 — 35.1, 129.9

VesselIMOStatusDurationSpeed
STI GRATITUDE9722182Clean12h1.3 kn

2023-08-15 — 35.0, 129.9

VesselIMOStatusDurationSpeed
STI GRATITUDE9722182Clean12h1.3 kn

2 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call SignV7A5274
Deficiency Count0
Detention Count0
Last Exam

Data sources: USCG CGMIX, EU MRV (EMSA), Global Fishing Watch. 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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