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GEMINI SUN — Know Your Vessel

Updated: 2026-07-27 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
LIBERIA
Type
Oil tanker
Built
2007
19 years old
DWT
50,000

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
18,323
tonnes/year
Distance
39,121
nm/year
YearRatingRatio
2023Unrated—
2022Unrated—
2021Unrated—
2020Unrated—
2019Unrated—
2018Unrated—

EU MRV 2024: 19,986 t CO2, 6,375 t fuel

Voyage Pattern

Port Visits
99
Avg Dwell
57h
2d per port
Port Utilization
27.1%
time in port
Dark Events
2
239h total

Primary route: MARSAXLOKK → AUGUSTA → ZAWIA

Data period: 2023-06-25 to 2025-11-13

PortCountryVisits
MARSAXLOKKMLT7
ZAWIALBY5
AUGUSTAITA5
SIDI KERIREGY4
GIBRALTARGIB3

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-11-082025-11-13—USA5.2d
2025-10-262025-10-29—USA2.5d
2025-10-242025-10-26—USA2.1d
2025-10-012025-10-03—MLT1.5d
2025-09-262025-10-01AUGUSTAITA4.7d
2025-09-262025-09-26—LBY0.1d
2025-09-202025-09-24MARSAXLOKKMLT3.9d
2025-09-122025-09-18—ITA6.2d
2025-08-272025-08-28CMR-4CMR1.5d
2025-07-232025-08-06AUGUSTAITA14d
2025-07-192025-07-20—TUR1.2d
2025-07-082025-07-11—ITA3.1d
2025-07-032025-07-05ZAWIALBY1.8d
2025-06-262025-07-02—MLT6.8d
2025-06-212025-06-23—ITA1.7d
2025-06-212025-06-21—ITA0.3d
2025-06-142025-06-15—TUR1.3d
2025-06-122025-06-12KALI LIMENES ANCHORAGEGRC0.3d
2025-06-012025-06-01ALGECIRASESP0.5d
2025-05-272025-05-29PUNTA LANGOSTEIRAESP1.9d

AIS Dark Periods

2 events, 239 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-12-122024-12-18154————HIGH RISK ZONE
2024-08-062024-08-1084————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

81 events, 1792 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2025-12-261738.6, 5.20.9 kn—
2025-12-232539.5, 5.20.8 kn—
2025-12-07546.9, -3.01.5 kn—
2025-11-053924.8, -91.61.2 kn—
2025-08-26454.1, 8.50.3 knHIGH RISK
2025-08-07136.8, 16.21.2 kn—
2025-08-071136.9, 16.10.7 kn—
2025-06-05835.9, -4.71.4 kn—
2025-06-042235.6, -4.41.0 kn—
2025-06-031035.7, -4.81.3 kn—

STS Encounter Detection

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

2025-11-05 — 24.8, -91.6

VesselIMOStatusDurationSpeed
HELSINKI9377224Clean3h1.7 kn

2025-08-07 — 36.9, 16.1

VesselIMOStatusDurationSpeed
FELIX9464182Clean3h0.6 kn

2025-01-22 — 27.9, -96.3

VesselIMOStatusDurationSpeed
ADVANTAGE SUMMER9419890Clean21h0.1 kn
ARSAN9421415Clean24h0.6 kn

2024-09-27 — 52.4, 3.1

VesselIMOStatusDurationSpeed
MONA SWAN9371804Clean1h1.9 kn
ERIKA SCHULTE9439864Clean2h1.7 kn

2024-09-27 — 52.5, 3.1

VesselIMOStatusDurationSpeed
ERIKA SCHULTE9439864Clean1h2.0 kn

2024-07-10 — 36.8, 16.1

VesselIMOStatusDurationSpeed
ADVANTAGE SUGAR9410973Clean135h0.3 kn
MARIE DE LOURDES 18688183SANCTIONED6h1.5 kn

2024-07-08 — 36.9, 15.7

VesselIMOStatusDurationSpeed
ADVANTAGE SUGAR9410973Clean20h0.5 kn
DUZGIT DIGNITY9581019Clean102h0.9 kn

2024-05-03 — 35.1, 29.8

VesselIMOStatusDurationSpeed
RALEIGH FISHER9306940Clean80h0.9 kn

10 unique vessels encountered, 1 sanctioned

USCG Registration

StatusActive
Call SignD5FI6
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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