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ADVANTAGE SPRING — Know Your Vessel

Updated: 2026-07-29 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
MARSHALL ISLANDS
Type
Oil tanker
Built
2010
16 years old
DWT
100,000

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
35,704
tonnes/year
Distance
50,867
nm/year
YearRatingRatio
2023Unrated—
2022Unrated—
2019Unrated—

EU MRV 2024: 18,910 t CO2, 6,036 t fuel

Voyage Pattern

Port Visits
80
Avg Dwell
58h
2d per port
Port Utilization
18.1%
time in port
Dark Events
2
54h total

Primary route: CANAKKALE → GIBRALTAR → SANTA PANAGIA

Data period: 2023-07-23 to 2026-06-18

PortCountryVisits
CANAKKALETUR7
SANTA PANAGIAITA3
GIBRALTARGIB3
TELOK RAMUNIAMYS2
ROTTERDAM MAASVLAKTENLD2

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-06-182026-06-18—NGA0.7d
2026-06-162026-06-17—NGA1d
2026-06-112026-06-11ESCRAVOS FIELDNGA0.3d
2026-06-042026-06-04ESCRAVOS FIELDNGA0.5d
2026-05-162026-05-18—NGA2d
2026-04-292026-05-05—NGA5.9d
2026-04-082026-04-10—NGA2d
2026-04-012026-04-07—NGA6.3d
2026-03-302026-03-31LOMETGO1d
2026-03-122026-03-18—ZAF6d
2025-09-142025-09-14—RUS0.2d
2025-09-052025-09-06CANAKKALETUR0.8d
2025-08-232025-09-01—FRA8.7d
2025-08-032025-08-05INGLESIDEUSA1.8d
2025-07-182025-07-26—USA7.6d
2025-07-152025-07-16—USA1.5d
2025-07-122025-07-13—USA1.1d
2025-07-102025-07-12HOUSTONUSA1.4d
2025-05-232025-05-24KWT-22KWT1.1d
2025-05-082025-05-10TELOK RAMUNIAMYS1.5d

AIS Dark Periods

2 events, 54 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-04-072024-04-0832————HIGH RISK ZONE
2024-03-202024-03-2122————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

95 events, 1650 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-06-30234.1, 7.71.2 knHIGH RISK
2026-06-25114.0, 5.90.1 knHIGH RISK
2026-06-22873.9, 5.90.1 knHIGH RISK
2026-06-1894.2, 8.10.2 knHIGH RISK
2026-06-16114.2, 8.10.2 knHIGH RISK
2026-05-2624.6, -2.90.7 knHIGH RISK
2026-05-2414.6, -2.81.7 knHIGH RISK
2026-05-1895.7, 4.50.5 knHIGH RISK
2026-05-1685.7, 4.50.6 knHIGH RISK
2026-05-15145.8, 4.50.9 knHIGH RISK

STS Encounter Detection

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

2025-09-09 — 43.3, 34.5

VesselIMOStatusDurationSpeed
VIOLANDO9429285Clean43h0.9 kn

2024-10-28 — 43.1, 36.0

VesselIMOStatusDurationSpeed
VALPIAVE9453030Clean35h0.7 kn
LIPARI9529487Clean68h0.7 kn

2024-10-17 — 37.2, 15.8

VesselIMOStatusDurationSpeed
MARITEA9210919Clean9h1.3 kn
DUZGIT DIGNITY9581019Clean11h1.3 kn

2024-10-02 — 43.1, 36.0

VesselIMOStatusDurationSpeed
MEKHANIK MAKARIN8904379SANCTIONED22h0.9 kn

2024-08-25 — 28.8, -94.5

VesselIMOStatusDurationSpeed
MINERVA NOUNOU9309423Clean455h0.0 kn
MINERVA LIBRA9317951Clean668h0.0 kn
VESTHOLMEN9421295Clean66h0.2 kn
HAFNIA AFRICA9467811Clean5h0.3 kn
AWTAD9519717Clean225h0.1 kn
EUROVISION9567697Clean15h1.1 kn
PTI HUANG HE9747340Clean22h0.0 kn

2024-08-07 — 28.9, -94.5

VesselIMOStatusDurationSpeed
VESTHOLMEN9421295Clean35h0.0 kn
BW MALACCA9735048Clean57h0.1 kn

2024-03-15 — -24.4, -41.9

VesselIMOStatusDurationSpeed
BRASIL 20149623879Clean27h0.3 kn

2024-02-20 — 51.9, 3.2

VesselIMOStatusDurationSpeed
STI SANCTITY9719707Clean22h0.1 kn

2024-01-23 — 44.3, 37.4

VesselIMOStatusDurationSpeed
CHEM HELEN9340116Clean2h1.1 kn
NADIA9122461SANCTIONED39h1.0 kn

2023-12-07 — 44.4, 37.1

VesselIMOStatusDurationSpeed
SEAVALOUR9315771Clean9h1.6 kn
MARLIN HESTIA9729233Clean3h1.5 kn
MARLIN HESTIA9729233Clean3h1.5 kn

2023-12-05 — 44.3, 37.4

VesselIMOStatusDurationSpeed
AMAX ARROW9419448SANCTIONED6h0.9 kn
AMAX ARROW9419448SANCTIONED13h1.2 kn
KRITI STATE9324289Clean4h1.0 kn
NEW RANGER9328326Clean25h0.7 kn
SEAMUSIC9407445Clean7h1.5 kn
SPYROS K9565948Clean3h1.4 kn
OTTOMAN TENACITY9590682Clean9h0.8 kn

2023-12-03 — 44.1, 37.2

VesselIMOStatusDurationSpeed
AMAX ARROW9419448SANCTIONED24h1.0 kn
OTTOMAN INTEGRITY9530618Clean16h1.0 kn

2023-12-03 — 44.4, 36.9

VesselIMOStatusDurationSpeed
SEAVALOUR9315771Clean15h0.7 kn
SEAVALOUR9315771Clean25h0.9 kn
KRITI STATE9324289Clean9h0.6 kn
VALGARDENA9384124Clean26h0.6 kn
OTTOMAN TENACITY9590682Clean18h0.9 kn

2023-12-02 — 44.3, 37.1

VesselIMOStatusDurationSpeed
AMAX ARROW9419448SANCTIONED3h1.9 kn
AMAX ARROW9419448SANCTIONED7h1.7 kn
KRITI STATE9324289Clean4h1.6 kn
AEGEAN NOBILITY9345441Clean5h1.8 kn
VIOLANDO9429285Clean14h0.9 kn

29 unique vessels encountered, 3 sanctioned

USCG Registration

StatusActive
Call SignV7LO4
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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