SILVERSTONE — Know Your Vessel

Updated: 2026-08-14 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
LIBERIA
Type
Oil tanker
Built
2020
6 years old
DWT
25,000

Present Location

Last seen at
NINGBO
CHN
Arrived
2026-08-02
Departed
2026-08-06
9d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2022)
Unrated
CO2 Emissions
5,339
tonnes/year
Distance
8,524
nm/year
YearRatingRatio
2022Unrated
2021Unrated
2020Unrated

EU MRV 2022: 5,339 t CO2, 1,704 t fuel, 626.39 kg CO2/nm

Voyage Pattern

Port Visits
51
Avg Dwell
64h
3d per port
Port Utilization
12.7%
time in port
Dark Events
2
40h total

Primary route: TELOK RAMUNIA → RAS TANURA → FUJAIRAH

Data period: 2023-09-06 to 2026-08-06

PortCountryVisits
TELOK RAMUNIAMYS9
RAS TANURASAU5
FUJAIRAHARE4
NINGBOCHN3
ULSANKOR2

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-08-022026-08-06NINGBOCHN4.2d
2026-06-122026-06-13FUJAIRAHARE1d
2026-06-112026-06-12FUJAIRAHARE1.4d
2026-06-082026-06-08MUSCATOMN0.4d
2026-02-242026-02-26TELOK RAMUNIAMYS1.4d
2026-02-152026-02-17DONGJIAKOUCHN1.8d
2026-02-102026-02-13NINGBOCHN3d
2025-12-272026-01-03PORTO DO ACUBRA6.9d
2025-11-212025-11-22TELOK RAMUNIAMYS1.2d
2025-10-262025-10-28KWT1.3d
2025-10-122025-10-13TELOK RAMUNIAMYS1.1d
2025-09-172025-09-18KWT1.7d
2025-08-312025-09-01ZHUHAICHN1.1d
2025-08-082025-08-31SHENZHENCHN23.4d
2025-08-022025-08-03ZHOUSHANCHN1.5d
2025-07-272025-07-28BAYUQUANCHN1.6d
2025-07-172025-07-19DONGJIAKOUCHN2d
2025-07-032025-07-07MYS4d
2025-06-142025-06-21FUJAIRAHARE6.6d
2025-06-072025-06-09KHOR FAKKANARE2.3d

AIS Dark Periods

2 events, 40 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-05-092024-05-1014HIGH RISK ZONE
2024-05-082024-05-0926HIGH 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, 2717 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-06-024517.0, 71.40.7 kn
2026-05-315016.8, 71.40.6 kn
2026-05-294916.8, 71.30.9 kn
2026-05-263519.1, 69.81.0 kn
2026-05-244818.9, 70.10.9 kn
2026-05-224718.7, 70.31.0 kn
2026-05-211518.4, 70.81.0 kn
2026-05-19818.2, 70.70.8 kn
2026-05-174318.2, 70.61.0 kn
2026-05-162018.1, 69.61.2 kn

STS Encounter Detection

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

2026-05-22 — 18.7, 70.3

VesselIMOStatusDurationSpeed
HAFNIA RAVEN9706061Clean6h1.0 kn

2026-04-23 — 18.9, 67.3

VesselIMOStatusDurationSpeed
SUNBIRD ARROW9323821Clean376h0.6 kn

2026-04-20 — 19.3, 67.6

VesselIMOStatusDurationSpeed
ORIENTAL VIOLA9824928Clean53h0.7 kn

2026-04-18 — 19.4, 67.5

VesselIMOStatusDurationSpeed
ORIENTAL VIOLA9824928Clean53h0.7 kn

2026-03-30 — 19.6, 67.7

VesselIMOStatusDurationSpeed
GREEN SACHI9415698Clean26h1.2 kn

2026-03-28 — 20.0, 67.1

VesselIMOStatusDurationSpeed
ORIENTAL JUBILEE9763813Clean32h1.3 kn

2026-03-20 — 19.4, 66.9

VesselIMOStatusDurationSpeed
FS DILIGENCE9532159Clean58h0.4 kn
FS DILIGENCE9532159Clean52h1.0 kn

2026-03-14 — 19.9, 68.0

VesselIMOStatusDurationSpeed
WAASMUNSTER9659103Clean23h1.4 kn
WAASMUNSTER9659103Clean91h0.8 kn

2026-03-06 — 19.7, 66.6

VesselIMOStatusDurationSpeed
GREEN SACHI9415698Clean16h1.1 kn
FAIRCHEM THRESHER9829746Clean56h0.6 kn

2025-08-07 — 21.5, 114.1

VesselIMOStatusDurationSpeed
HONESTAR9187368SANCTIONED184h0.0 kn

2025-02-18 — 28.4, -95.0

VesselIMOStatusDurationSpeed
ADVANTAGE SUN9513141Clean1h1.5 kn
FRONT DUCHESS9771341Clean130h0.0 kn
NEW MELODY9799185Clean28h0.8 kn
PACIFIC DIAMOND9893046Clean4h1.3 kn
PACIFIC DIAMOND9893046Clean3h1.4 kn

2025-02-17 — 28.3, -94.9

VesselIMOStatusDurationSpeed
ASPEN SPIRIT9427627Clean25h1.0 kn
HAFNIA ASIA9467809Clean22h1.1 kn
HAFNIA ASIA9467809Clean1h1.0 kn
ADVANTAGE SUN9513141Clean25h0.8 kn
FRONT DUCHESS9771341Clean28h0.9 kn
NEW MELODY9799185Clean28h0.8 kn
PACIFIC DIAMOND9893046Clean7h1.6 kn
C.EARNEST9929651Clean25h0.2 kn
STRYMON9938030Clean25h0.9 kn

2025-02-10 — 28.4, -94.5

VesselIMOStatusDurationSpeed
BW TOKYO9398307Clean8h0.2 kn
BLACKCOMB SPIRIT9417335Clean23h0.1 kn
BLACKCOMB SPIRIT9417335Clean1h1.8 kn
ASPEN SPIRIT9427627Clean5h1.3 kn
ASPEN SPIRIT9427627Clean4h1.2 kn
ASPEN SPIRIT9427627Clean5h1.1 kn
HAFNIA ASIA9467809Clean3h1.7 kn
HAFNIA ASIA9467809Clean6h1.5 kn
HAFNIA ASIA9467809Clean1h1.4 kn
ADVANTAGE SUN9513141Clean124h0.1 kn
ADVANTAGE SUN9513141Clean1h0.9 kn
FRONT DUCHESS9771341Clean5h1.0 kn

19 unique vessels encountered, 1 sanctioned

USCG Registration

StatusActive
Call SignD5UZ5
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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