SILVER HANNAH — Know Your Vessel

Updated: 2026-07-25 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
MARSHALL ISLANDS
Type
Oil tanker
Built
2014
12 years old
DWT
25,000

Present Location

Last seen at
DALIAN
CHN
Arrived
2025-07-23
Departed
2025-07-25
365d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2022)
Unrated
CO2 Emissions
5,982
tonnes/year
Distance
20,184
nm/year
YearRatingRatio
2022Unrated
2021Unrated
2019Unrated
2018Unrated

EU MRV 2022: 5,982 t CO2, 1,910 t fuel, 296.39 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
64h
3d per port
Port Utilization
35.7%
time in port
Dark Events
3
131h total

Primary route: TELOK RAMUNIA → ULSAN → PASIR GUDANG

Data period: 2023-07-18 to 2025-07-25

PortCountryVisits
TELOK RAMUNIAMYS10
ULSANKOR9
PASIR GUDANGMYS4
PANAMA CANAL ANCHORAGEPAN3
MANZANILLOPAN3

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-07-232025-07-25DALIANCHN2.3d
2025-07-022025-07-03USA1d
2025-06-212025-06-28MEX7.5d
2025-06-192025-06-20MAZATLANMEX1.1d
2025-06-132025-06-17MEX3.6d
2025-06-102025-06-13MEX3.2d
2025-06-062025-06-09MEX2.5d
2025-05-022025-05-07TELOK RAMUNIAMYS5.7d
2025-04-282025-04-29SINGAPORESGP0.9d
2025-04-242025-04-28TANJUNG PELEPASMYS4.1d
2025-04-142025-04-15ULSANKOR1.8d
2025-04-102025-04-12ULSANKOR1.3d
2025-03-242025-03-25STEVESTONCAN1.4d
2025-03-222025-03-24VANCOUVERCAN1.9d
2025-02-242025-03-01CAOFEIDIANCHN4.7d
2025-02-222025-02-22KOR0.5d
2025-02-012025-02-03PORT LYTTELTONNZL1.4d
2025-02-012025-02-01NZL0.2d
2025-01-302025-01-31NELSONNZL1d
2025-01-262025-01-28NZ-104NZL1.4d

AIS Dark Periods

3 events, 131 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-10-202024-10-2115HIGH RISK ZONE
2024-10-072024-10-0713HIGH RISK ZONE
2024-07-122024-07-16103HIGH 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

52 events, 971 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-07-01525.9, -92.80.8 kn
2026-06-10629.0, -93.80.7 kn
2026-05-2712826.0, -92.70.6 kn
2026-05-262825.9, -92.70.9 kn
2026-05-26526.0, -92.51.2 kn
2026-04-16326.9, -93.01.7 kn
2026-04-152027.1, -93.30.8 kn
2026-04-15427.4, -93.11.9 kn
2026-04-142826.8, -93.21.4 kn
2026-03-011529.4, -93.60.1 kn

STS Encounter Detection

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

2026-07-01 — 25.9, -92.8

VesselIMOStatusDurationSpeed
OCIOS IOANNIS9686986Clean31h0.9 kn

2025-09-02 — 34.1, 128.0

VesselIMOStatusDurationSpeed
HAFNIA PUMA9635810Clean69h0.1 kn

2025-04-29 — Singapore Strait

VesselIMOStatusDurationSpeed
ATILA9262754SANCTIONED111h— kn
BETTLE9323338SANCTIONED4922h0.0 kn
CHEM GUARD9261762Clean22h0.1 kn
MARISSA9299422Clean571h0.0 kn
POREWIT9302865Clean382h0.0 kn
ELVA9196644SANCTIONED3332h0.1 kn
FELIX9181194SANCTIONED450h0.1 kn
LEXIE9203277SANCTIONED3652h0.0 kn
AFRA ROSSI9431381Clean3h0.4 kn
DING HENG 439492957Clean3h0.5 kn
LISA9174397SANCTIONED585h0.0 kn
KITA LNG9636723Clean263h0.1 kn
HIGH FREEDOM9674713Clean119h0.1 kn

2025-04-12 — 35.6, 130.0

VesselIMOStatusDurationSpeed
STI PONTIAC9704465Clean9h1.9 kn

2025-01-01 — Singapore Strait

VesselIMOStatusDurationSpeed
BIANCA JOYSEL9196632SANCTIONED7h0.2 kn
ROZA9197909SANCTIONED350h0.1 kn
MEROPE9281891SANCTIONED120h0.1 kn
IVY9337133SANCTIONED224h0.2 kn
ARTEMIS III9102241SANCTIONED17h0.1 kn
ELVA9196644SANCTIONED536h0.1 kn
LEXIE9203277SANCTIONED68h0.2 kn
LEXIE9203277SANCTIONED58h0.0 kn
JAMES II9174660SANCTIONED323h0.0 kn
TITAN UNIKUM9468437Clean462h0.1 kn
STI BLACK HAWK9704453Clean161h0.1 kn

2024-12-30 — Singapore Strait

VesselIMOStatusDurationSpeed
ROZA9197909SANCTIONED350h0.1 kn
MEROPE9281891SANCTIONED120h0.1 kn
IVY9337133SANCTIONED238h0.1 kn
IVY9337133SANCTIONED224h0.2 kn
SANTA CRUZ I9259680Clean5h1.7 kn
ARTEMIS III9102241SANCTIONED462h0.1 kn
LEXIE9203277SANCTIONED68h0.2 kn
JAMES II9174660SANCTIONED323h0.0 kn
KUDURO9455818Clean6h0.1 kn
SFL PUMA9664794Clean5h0.4 kn

2024-07-26 — 29.0, -93.2

VesselIMOStatusDurationSpeed
LUZON SPIRIT9572276Clean80h0.0 kn

2024-03-28 — 35.2, 130.6

VesselIMOStatusDurationSpeed
SILVER ORLA9682332Clean6h1.4 kn

2024-03-08 — Singapore Strait

VesselIMOStatusDurationSpeed
BIANCA JOYSEL9196632SANCTIONED509h0.1 kn
FT ISLAND9166675SANCTIONED615h0.0 kn
ROZA9197909SANCTIONED58h0.1 kn
ABYSS9157765Clean452h0.1 kn
M SOPHIA9289477SANCTIONED47h0.1 kn
IVY9337133SANCTIONED1010h0.0 kn
NSH SINGAPORE9343754Clean117h0.0 kn
VORAS9203265SANCTIONED1156h0.0 kn
ARTEMIS III9102241SANCTIONED636h0.0 kn
IMPALAS9171448SANCTIONED693h0.1 kn

35 unique vessels encountered, 16 sanctioned

USCG Registration

StatusActive
Call SignV7IB4
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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