TWIN CASTOR — Know Your Vessel

Updated: 2026-09-11 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
LIBERIA
Type
Oil tanker
Built
2013
13 years old

Present Location

Last seen at
TELOK RAMUNIA
MYS
Arrived
2026-07-05
Departed
2026-07-07
66d ago

Risk Assessment

Carbon Intensity (CII)

EU MRV 2024: 3,147 t CO2, 1,007 t fuel

Voyage Pattern

Port Visits
80
Avg Dwell
67h
3d per port
Port Utilization
20.9%
time in port
Dark Events
1
60h total

Primary route: RAS TANURA → FUJAIRAH → TELOK RAMUNIA

Data period: 2023-08-02 to 2026-07-07

PortCountryVisits
RAS TANURASAU10
TELOK RAMUNIAMYS9
FUJAIRAHARE9
KHOR FAKKANARE6
ZIRKUARE5

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-07-052026-07-07TELOK RAMUNIAMYS1.8d
2026-06-252026-06-26KOR1.7d
2026-06-242026-06-25KOR1.1d
2026-04-242026-04-26INGLESIDEUSA2.2d
2026-04-222026-04-24USA2.5d
2026-03-072026-03-09TELOK RAMUNIAMYS1.6d
2026-03-012026-03-03MAOMING ANCHORAGECHN1.8d
2026-02-232026-02-25NINGBOCHN2.4d
2026-01-242026-01-25ZIRKUARE1.2d
2026-01-172026-01-18KOCHIIND1.4d
2026-01-012026-01-03ZIRKUARE1.6d
2025-12-302026-01-01FUJAIRAHARE1.4d
2025-12-032025-12-03KHOR FAKKANARE0.1d
2025-12-022025-12-03KHOR FAKKANARE0.9d
2025-12-012025-12-02FUJAIRAHARE1.3d
2025-11-272025-11-29QAT-4QAT2d
2025-11-232025-11-27QAT3.3d
2025-11-212025-11-23ZIRKUARE1.3d
2025-10-182025-10-20PASIR GUDANGMYS1.7d
2025-10-032025-10-04ZIRKUARE0.6d

AIS Dark Periods

1 events, 60 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2025-05-222025-05-2560HIGH 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

52 events, 1261 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-05-212-27.4, -6.31.1 kn
2026-04-271727.6, -96.50.1 kn
2026-04-27427.6, -96.51.2 kn
2026-03-05211.4, 110.91.6 kn
2026-02-1713129.7, 123.10.2 kn
2026-02-0724.2, 99.60.5 kn
2025-11-274526.7, 51.90.1 knHIGH RISK
2025-11-237826.6, 52.10.1 knHIGH RISK
2025-11-191422.9, 60.60.9 knHIGH RISK
2025-11-182122.8, 60.80.6 knHIGH RISK

STS Encounter Detection

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

2026-04-27 — 27.6, -96.5

VesselIMOStatusDurationSpeed
SEARUNNER9765029Clean21h0.2 kn
SEAWAYS GIBBS HILL9885594Clean42h0.3 kn

2026-02-17 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
KUNASHIR9142588SANCTIONED8h0.2 kn
KUNASHIR9142588SANCTIONED181h0.1 kn
PETREL9278624Clean22h0.1 kn
HAMPSHIRE9377781Clean39h0.2 kn
HAMPSHIRE9377781Clean3h0.2 kn
OLYMPIC LEOPARD9470040Clean7h0.3 kn
SEAWAYS TYBEE9734642Clean75h0.1 kn
UQAB9830824Clean19h0.4 kn
TORM HOUSTON9904883Clean395h0.1 kn

2025-11-23 — 26.6, 52.1

VesselIMOStatusDurationSpeed
ADAMANTIOS9905447Clean46h0.1 kn
ADAMANTIOS9905447Clean45h0.2 kn

2025-11-19 — 22.9, 60.6

VesselIMOStatusDurationSpeed
JAG PUNIT9709984Clean30h0.7 kn

2025-08-18 — Persian Gulf (Kharg Island)

VesselIMOStatusDurationSpeed
ADENA9254862SANCTIONED216h0.0 kn
ARROW G9272395Clean646h0.0 kn
KOKKARI9337157Clean79h0.1 kn
OLYMPIC LEOPARD9470040Clean13h0.1 kn
AEGEAN DREAM9645425Clean76h0.1 kn
STI SLOANE9690808Clean220h0.0 kn
MONTE URBASA9785835Clean9h0.2 kn
NEW HONOR9799159Clean10h0.4 kn

2025-08-15 — Persian Gulf (Kharg Island)

VesselIMOStatusDurationSpeed
ADENA9254862SANCTIONED216h0.0 kn
SOYIA9263916Clean36h0.1 kn
ARROW G9272395Clean646h0.0 kn
SANMAR HERALD9330563Clean20h0.1 kn
OLYMPIC LEOPARD9470040Clean16h0.1 kn
HARBOUR SPLENDOR9575096Clean11h0.1 kn
AEGEAN DREAM9645425Clean18h0.1 kn
AEGEAN DREAM9645425Clean76h0.1 kn
STI SLOANE9690808Clean220h0.0 kn
HAFNIA EXECUTIVE9735622Clean57h0.0 kn
MONTE URBASA9785835Clean10h0.1 kn
OCEANIA9905344Clean36h0.1 kn

2025-08-14 — Persian Gulf (Kharg Island)

VesselIMOStatusDurationSpeed
ADENA9254862SANCTIONED216h0.0 kn
SOYIA9263916Clean36h0.1 kn
ARROW G9272395Clean646h0.0 kn
EVGENIA I9575943Clean268h0.1 kn
AEGEAN DREAM9645425Clean18h0.1 kn
STI SLOANE9690808Clean220h0.0 kn
HAFNIA EXECUTIVE9735622Clean57h0.0 kn
NEW HONOR9799159Clean13h0.1 kn

2025-04-12 — 26.7, 51.9

VesselIMOStatusDurationSpeed
SILVER JOAN9718894Clean16h0.9 kn

2025-04-12 — 26.7, 51.8

VesselIMOStatusDurationSpeed
KHAWR ALADID9299757Clean7092h0.1 kn

2025-04-11 — 26.8, 51.7

VesselIMOStatusDurationSpeed
KHAWR ALADID9299757Clean7092h0.1 kn
SILVER JOAN9718894Clean20h0.6 kn

2025-02-14 — 26.7, 51.9

VesselIMOStatusDurationSpeed
NEW PROSPERITY9689988Clean13h0.2 kn

2025-01-24 — Persian Gulf (Kharg Island)

VesselIMOStatusDurationSpeed
GLOBAL EVEREST9125724SANCTIONED466h0.0 kn

28 unique vessels encountered, 3 sanctioned

Port State Control

No inspection data held. This is not a clean record — we currently hold no PSC inspections for any vessel. Do not read the absence of detentions here as evidence of none.

Check Paris MOU and USCG PSIX directly for this vessel.

Cargo Manifests

No manifest data held. Our upstream manifest source now blocks automated access, so this dataset is empty for every vessel — absence here says nothing about this ship's cargo history.

USCG Registration

StatusActive
Call SignD5EQ7
Deficiency Count1
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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