THOMAS ZAFIRAS — Know Your Vessel

Updated: 2026-07-26 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
GREECE
Type
Oil tanker
Built
2016
10 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
17,614
tonnes/year
Distance
37,790
nm/year
YearRatingRatio
2023Unrated
2022Unrated
2021Unrated
2020Unrated
2019Unrated
2018Unrated

EU MRV 2024: 6,443 t CO2, 2,038 t fuel

Voyage Pattern

Port Visits
97
Avg Dwell
111h
5d per port
Port Utilization
41.1%
time in port
Dark Events
1
13h total

Primary route: CAMPOS BASIN → HOUSTON → BOTAFOGO

Data period: 2023-07-24 to 2026-07-18

PortCountryVisits
CAMPOS BASINBRA7
HOUSTONUSA4
BOTAFOGOBRA4
SIKKAIND3
PORT LOUISMUS3

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-07-172026-07-18GBR1.2d
2026-07-092026-07-10SKAGENDNK1d
2026-07-052026-07-06BUTINGELTU1.4d
2026-06-082026-06-08TARRAGONAESP0.4d
2026-06-072026-06-08TARRAGONAESP1.3d
2026-05-162026-05-18HOUSTONUSA2.2d
2026-05-132026-05-16USA2.5d
2026-05-112026-05-13USA2.3d
2026-04-262026-05-03SCHOELCHERMTQ7d
2025-10-042026-04-26ASALUYEHIRN204.1d
2025-09-302025-10-03RAS TANURASAU3.3d
2025-09-222025-09-26SIKKAIND3.8d
2025-09-152025-09-22IND6.5d
2025-08-142025-08-16CAMPOS BASINBRA2d
2025-08-122025-08-13BOTAFOGOBRA1.8d
2025-07-232025-07-26ESP3.1d
2025-07-052025-07-07MEX1.8d
2025-06-252025-06-27USA1.8d
2025-06-122025-06-25USA13.3d
2025-05-192025-05-22CAMPOS BASINBRA3.3d

AIS Dark Periods

1 events, 13 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2025-09-262025-09-2713HIGH 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

47 events, 1004 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-05-13129.1, -94.41.3 kn
2026-05-13329.0, -94.50.2 kn
2025-09-141020.7, 67.70.9 kn
2025-08-195-20.8, -39.71.4 kn
2025-08-199-20.7, -39.60.9 kn
2025-08-189-20.8, -39.71.0 kn
2025-08-1712-20.7, -39.80.6 kn
2025-08-178-20.7, -39.80.9 kn
2025-08-1449-23.3, -41.30.2 kn
2025-07-054019.6, -92.30.0 kn

STS Encounter Detection

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

2026-05-13 — 29.0, -94.5

VesselIMOStatusDurationSpeed
ALBARO9326873Clean29h0.1 kn

2025-06-30 — 19.7, -91.9

VesselIMOStatusDurationSpeed
FRONT JAGUAR9703332Clean135h0.1 kn
STI JERMYN9722596Clean161h0.1 kn

2025-05-19 — -23.3, -41.3

VesselIMOStatusDurationSpeed
DECATHLON9462926Clean26h0.2 kn

2024-08-04 — 29.4, -93.6

VesselIMOStatusDurationSpeed
PACIFIC QUARTZ9573696Clean1h1.0 kn
SEAWAYS DWARKA9697624Clean21h0.1 kn
HAFNIA LISE9726621Clean23h0.1 kn

2024-08-02 — 28.6, -94.7

VesselIMOStatusDurationSpeed
LR1 CARRIER9307102Clean39h0.1 kn
DILONG SPIRIT9390628Clean195h0.0 kn
VESTHOLMEN9421295Clean70h0.1 kn
VESTHOLMEN9421295Clean7h0.3 kn
NORDIC C9441192Clean39h0.0 kn
LUZON SPIRIT9572276Clean43h0.1 kn
MONTESPERANZA9585871Clean11h0.0 kn

2024-08-01 — 28.5, -94.7

VesselIMOStatusDurationSpeed
LR1 CARRIER9307102Clean39h0.1 kn
DILONG SPIRIT9390628Clean195h0.0 kn
VESTHOLMEN9421295Clean70h0.1 kn
NORDIC C9441192Clean6h0.2 kn
NORDIC C9441192Clean39h0.0 kn
LUZON SPIRIT9572276Clean2h1.0 kn
LUZON SPIRIT9572276Clean8h0.7 kn
BOSTON9595216Clean43h0.0 kn

2024-08-01 — 28.4, -94.6

VesselIMOStatusDurationSpeed
AMALTHEA9298650Clean22h0.1 kn
LR1 CARRIER9307102Clean30h0.1 kn
DILONG SPIRIT9390628Clean195h0.0 kn
VESTHOLMEN9421295Clean70h0.1 kn
NORDIC C9441192Clean6h0.2 kn
BOSTON9595216Clean43h0.0 kn

2024-07-31 — 28.5, -94.5

VesselIMOStatusDurationSpeed
AMALTHEA9298650Clean22h0.1 kn
AMALTHEA9298650Clean22h0.1 kn
LR1 CARRIER9307102Clean30h0.1 kn
DILONG SPIRIT9390628Clean2h0.9 kn
VESTHOLMEN9421295Clean70h0.1 kn
NORDIC C9441192Clean278h0.0 kn
GREEN WARRIOR9514169Clean19h0.1 kn

2024-04-23 — -23.3, -41.3

VesselIMOStatusDurationSpeed
BRASIL KNUTSEN9637777Clean52h0.0 kn

2023-10-22 — 35.6, 15.1

VesselIMOStatusDurationSpeed
YM JUPITER9291597Clean35h1.0 kn
DREPANOS9420643Clean19h1.3 kn

2023-10-21 — 35.5, 15.0

VesselIMOStatusDurationSpeed
YM JUPITER9291597Clean35h1.0 kn
DREPANOS9420643Clean19h1.3 kn

2023-08-29 — 28.6, -94.1

VesselIMOStatusDurationSpeed
LARVIK9307346Clean72h0.1 kn
EAGLE KANGAR9417024Clean28h0.1 kn

2023-08-29 — 28.8, -94.2

VesselIMOStatusDurationSpeed
LARVIK9307346Clean72h0.1 kn
EAGLE KANGAR9417024Clean28h0.1 kn
STORHOLMEN9436408Clean148h0.1 kn
EAGLE HALIFAX9453987Clean18h0.1 kn

23 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call SignSVCL8
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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