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PORTO — Know Your Vessel

Updated: 2026-08-12 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
Valletta
Type
Oil tanker

Present Location

Last seen at
SANTOS BASIN
BRA
Arrived
2025-08-07
Departed
2025-08-08
370d ago

Risk Assessment

Carbon Intensity (CII)

EU MRV 2024: 0 t CO2, 0 t fuel

Voyage Pattern

Port Visits
99
Avg Dwell
37h
2d per port
Port Utilization
21.1%
time in port
Dark Events
2
32h total

Primary route: SANTOS BASIN → PORTO DO ACU → ANGRA DOS REIS

Data period: 2023-08-19 to 2025-08-08

PortCountryVisits
SANTOS BASINBRA30
PORTO DO ACUBRA21
ANGRA DOS REISBRA12
BRA-304BRA5
BRA-28BRA5

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-08-072025-08-08SANTOS BASINBRA1.3d
2025-08-042025-08-05PORTO DO ACUBRA1.5d
2025-07-282025-07-30ANGRA DOS REISBRA2d
2025-07-262025-07-27SANTOS BASINBRA1.3d
2025-07-252025-07-26SANTOS BASINBRA1.3d
2025-07-242025-07-24SANTOS BASINBRA0.3d
2025-07-202025-07-23ANGRA DOS REISBRA3.2d
2025-07-182025-07-19PORTO DO ACUBRA1.2d
2025-07-132025-07-16SANTOS BASINBRA2.8d
2025-06-282025-06-28—URY0.5d
2025-06-202025-06-22PORTO DO ACUBRA1.3d
2025-06-112025-06-12SANTOS BASINBRA1.1d
2025-06-062025-06-08RIO DE JANEIROBRA1.8d
2025-06-032025-06-04PORTO DO ACUBRA1.2d
2025-05-242025-05-29ANGRA DOS REISBRA5.4d
2025-05-222025-05-23SANTOS BASINBRA0.9d
2025-05-212025-05-22SANTOS BASINBRA1.3d
2025-05-152025-05-16PORTO DO ACUBRA1d
2025-05-052025-05-12ANGRA DOS REISBRA7d
2025-05-032025-05-04BRA-304BRA1.7d

AIS Dark Periods

2 events, 32 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2026-05-172026-05-1813————HIGH RISK ZONE
2026-05-012026-05-0219————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

99 events, 1427 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2024-06-1710-25.4, -42.91.1 kn—
2024-06-1627-25.2, -42.90.1 kn—
2024-06-1531-25.4, -43.10.8 kn—
2024-06-141-25.3, -43.01.0 kn—
2024-06-1321-25.5, -43.00.7 kn—
2024-05-2320-25.5, -42.80.2 kn—
2024-05-2074-25.6, -42.90.2 kn—
2024-05-192-25.6, -42.80.4 kn—
2024-05-046-27.3, -39.10.1 kn—
2024-05-041-27.5, -39.02.0 kn—

STS Encounter Detection

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

2024-06-16 — -25.2, -42.9

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean6h1.4 kn

2024-06-15 — -25.4, -43.1

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean6h1.4 kn

2024-06-13 — -25.5, -43.0

VesselIMOStatusDurationSpeed
LISBOA9765158Clean3h1.6 kn

2024-04-19 — -25.4, -42.8

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean80h0.4 kn

2024-04-18 — -25.5, -42.8

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean80h0.4 kn

2024-04-18 — -25.4, -42.8

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean80h0.4 kn

2024-04-17 — -25.4, -43.0

VesselIMOStatusDurationSpeed
MADRE DE DEUS9492050Clean34h0.1 kn

2024-04-04 — -25.3, -42.9

VesselIMOStatusDurationSpeed
RIO GRANDE9492062Clean6h0.8 kn

2024-04-03 — -25.3, -42.9

VesselIMOStatusDurationSpeed
RIO GRANDE9492062Clean1h1.5 kn

2024-03-11 — -25.4, -46.0

VesselIMOStatusDurationSpeed
NEW ENERGY9708526Clean32h0.6 kn

2024-03-09 — -25.5, -42.8

VesselIMOStatusDurationSpeed
DAQING KNUTSEN9914656Clean34h0.0 kn

2024-03-08 — -25.5, -42.8

VesselIMOStatusDurationSpeed
DAQING KNUTSEN9914656Clean34h0.0 kn

2024-02-11 — -25.4, -42.8

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean32h0.0 kn
DAN SABIA9513438Clean51h0.1 kn
ELKA LEBLON9625712Clean36h0.1 kn

2024-02-11 — -25.5, -42.8

VesselIMOStatusDurationSpeed
DAN SABIA9513438Clean51h0.1 kn
ELKA LEBLON9625712Clean36h0.1 kn

2024-02-10 — -25.4, -42.9

VesselIMOStatusDurationSpeed
DAN SABIA9513438Clean51h0.1 kn
ELKA LEBLON9625712Clean36h0.1 kn

2024-02-09 — -25.2, -42.9

VesselIMOStatusDurationSpeed
BRASIL 20149623879Clean41h0.1 kn

2024-01-24 — -25.5, -42.8

VesselIMOStatusDurationSpeed
BRASIL 20149623879Clean30h0.0 kn

2024-01-16 — -25.6, -42.8

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean24h0.0 kn

2024-01-16 — -25.5, -42.7

VesselIMOStatusDurationSpeed
BRASIL 20149623879Clean30h0.0 kn

2024-01-14 — -25.4, -42.9

VesselIMOStatusDurationSpeed
LISBOA9765158Clean30h0.0 kn

2024-01-13 — -25.5, -42.9

VesselIMOStatusDurationSpeed
LISBOA9765158Clean30h0.0 kn

2023-12-22 — -25.3, -42.7

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean25h0.2 kn

2023-12-21 — -25.3, -42.8

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean25h0.2 kn

2023-12-14 — -25.5, -42.8

VesselIMOStatusDurationSpeed
LISBOA9765158Clean31h0.1 kn
LISBOA9765158Clean13h0.5 kn

2023-12-13 — -25.5, -42.8

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean27h0.2 kn
LISBOA9765158Clean31h0.1 kn

2023-12-13 — -25.6, -42.8

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean27h0.2 kn
LISBOA9765158Clean31h0.1 kn

2023-12-12 — -25.6, -42.7

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean11h0.8 kn
ELKA PARANA9625724Clean27h0.2 kn
LISBOA9765158Clean5h1.4 kn

2023-12-12 — -25.8, -42.9

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean25h0.2 kn

2023-12-11 — -25.6, -43.0

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean25h0.2 kn

2023-12-11 — -25.3, -43.0

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean4h1.8 kn

2023-12-10 — -25.5, -43.1

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean24h0.0 kn
ELKA PARANA9625724Clean12h0.4 kn

2023-12-08 — -25.2, -42.9

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean28h0.1 kn
ELKA PARANA9625724Clean1h1.7 kn

2023-12-08 — -25.3, -42.9

VesselIMOStatusDurationSpeed
ELKA PARANA9625724Clean28h0.1 kn

2023-11-12 — -25.4, -46.7

VesselIMOStatusDurationSpeed
OLYMPIC LEOPARD9470040Clean24h0.7 kn

2023-11-12 — -25.6, -46.5

VesselIMOStatusDurationSpeed
OLYMPIC LEOPARD9470040Clean13h0.8 kn

2023-11-10 — -25.4, -42.8

VesselIMOStatusDurationSpeed
WINDSOR KNUTSEN9316115Clean20h0.0 kn
RIO GRANDE9492062Clean25h0.1 kn

11 unique vessels encountered, 0 sanctioned

Data sources: 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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