CHALLENGE PRELUDE — Know Your Vessel

Updated: 2026-07-25 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
HONG KONG
Type
Oil tanker
Built
2006
20 years old
DWT
25,000

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Carbon Intensity (CII)

Rating (2022)
Unrated
CO2 Emissions
8,151
tonnes/year
Distance
27,921
nm/year
YearRatingRatio
2022Unrated
2020Unrated

EU MRV 2022: 8,151 t CO2, 2,594 t fuel, 291.93 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
75h
3d per port
Port Utilization
39.5%
time in port

Primary route: ULSAN → TELOK RAMUNIA → PASIR GUDANG

Data period: 2023-07-01 to 2025-08-22

PortCountryVisits
ULSANKOR8
TELOK RAMUNIAMYS7
PASIR GUDANGMYS5
NINGBOCHN3
DALIANCHN3

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-08-182025-08-22IND3.6d
2025-08-092025-08-13CHITTAGONGBGD4.6d
2025-07-292025-08-04TELOK RAMUNIAMYS5.8d
2025-07-262025-07-26VNM0.9d
2025-07-172025-07-19NINGBOCHN2.1d
2025-07-142025-07-15NINGBOCHN0.6d
2025-07-062025-07-10YOKOHAMAJPN3.2d
2025-07-022025-07-04JPN1.7d
2025-06-272025-06-29KOR2.8d
2025-06-262025-06-27KOR1d
2025-06-172025-06-22YOKOHAMAJPN4.3d
2025-06-052025-06-13DALIANCHN7.3d
2025-06-022025-06-03ZHOUSHANCHN0.5d
2025-06-012025-06-02SHANGHAICHN1.4d
2025-05-312025-05-31SHANGHAICHN0.4d
2025-05-272025-05-30KOR3d
2025-05-232025-05-25DALIANCHN2.4d
2025-05-172025-05-17YANGSHANCHN0.4d
2025-05-152025-05-17YANGSHANCHN1.8d
2025-05-042025-05-06TANJUNG PELEPASMYS1.6d

Loitering Events

97 events, 1031 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-06-20733.6, 128.21.7 kn
2026-06-19633.5, 128.11.5 kn
2026-06-182333.6, 128.21.1 kn
2026-06-171633.6, 128.01.2 kn
2026-06-17533.7, 127.90.8 kn
2026-06-161333.7, 127.80.7 kn
2026-06-161433.7, 127.90.7 kn
2026-03-15334.1, 128.51.9 knHIGH RISK
2026-03-03935.0, 130.00.9 knHIGH RISK
2026-03-03735.2, 130.01.7 knHIGH RISK

STS Encounter Detection

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

2026-06-20 — 33.6, 128.2

VesselIMOStatusDurationSpeed
ORKIM CITRINE9461685Clean5h1.8 kn

2026-06-19 — 33.5, 128.1

VesselIMOStatusDurationSpeed
HAFNIA ALMANDINE9714068Clean2h1.9 kn

2026-06-18 — 33.6, 128.2

VesselIMOStatusDurationSpeed
HAFNIA ALMANDINE9714068Clean26h0.9 kn

2026-06-17 — 33.6, 128.0

VesselIMOStatusDurationSpeed
HAFNIA ALMANDINE9714068Clean26h0.9 kn
HAFNIA ALMANDINE9714068Clean18h1.2 kn

2026-06-17 — 33.7, 127.9

VesselIMOStatusDurationSpeed
HAFNIA ALMANDINE9714068Clean18h1.2 kn

2026-06-16 — 33.7, 127.8

VesselIMOStatusDurationSpeed
HAFNIA ALMANDINE9714068Clean30h0.7 kn

2026-06-16 — 33.7, 127.9

VesselIMOStatusDurationSpeed
HAFNIA ALMANDINE9714068Clean30h0.7 kn

2026-03-15 — 34.1, 128.5

VesselIMOStatusDurationSpeed
KEEGAN9286138Clean57h0.5 kn

2026-03-03 — 35.0, 130.0

VesselIMOStatusDurationSpeed
SINAR MALAHAYATI9349643Clean7h0.8 kn
LEO MARIS9381823Clean2h1.7 kn
STI ST CHARLES9681144Clean1h1.4 kn

2026-03-03 — 35.2, 130.0

VesselIMOStatusDurationSpeed
LEO MARIS9381823Clean9h1.7 kn
HAFNIA PANTHER9694464Clean1h1.3 kn
NAVIGATOR CENTAURI9704506Clean1h1.4 kn

2026-03-02 — 35.0, 129.8

VesselIMOStatusDurationSpeed
HAFNIA PANTHER9694464Clean2h1.8 kn
NAVIGATOR CENTAURI9704506Clean27h1.1 kn
NEW CONSTANT9708514Clean1h2.0 kn

2026-03-02 — 35.2, 129.9

VesselIMOStatusDurationSpeed
SINAR MALAHAYATI9349643Clean6h1.3 kn
STI ST CHARLES9681144Clean4h1.6 kn
STI AQUA9686704Clean2h1.8 kn

2026-03-01 — 35.2, 129.9

VesselIMOStatusDurationSpeed
NAVE TITAN9487469Clean3h1.5 kn
NEW CONSTANT9708514Clean9h1.8 kn

2026-02-27 — 35.2, 129.7

VesselIMOStatusDurationSpeed
NEW CONSTANT9708514Clean12h1.5 kn

2026-02-26 — 35.2, 129.8

VesselIMOStatusDurationSpeed
BOW ENGINEER9317860Clean2h1.4 kn
NEW CONSTANT9708514Clean10h1.6 kn

2026-01-01 — 35.6, 129.9

VesselIMOStatusDurationSpeed
CHEMROAD ROSE9317846Clean10h1.1 kn
CHEMROAD ROSE9317846Clean5h1.2 kn

2025-10-03 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
G SUMMER9143506SANCTIONED146h0.1 kn

2025-05-18 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
DIVIT9194139SANCTIONED263h0.1 kn

2025-05-18 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
DIVIT9194139SANCTIONED263h0.1 kn

2025-05-17 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
DIVIT9194139SANCTIONED263h0.1 kn

2024-09-20 — 33.9, 128.0

VesselIMOStatusDurationSpeed
STI GRAMERCY9686766Clean125h0.1 kn

2023-08-08 — 35.4, 131.8

VesselIMOStatusDurationSpeed
LIGOVSKY PROSPECT9256066SANCTIONED13h0.8 kn
KAZAN9258002SANCTIONED6h1.0 kn
STI GRATITUDE9722182Clean10h0.7 kn

19 unique vessels encountered, 4 sanctioned

USCG Registration

StatusActive
Call SignVRQC9
Deficiency Count0
Detention Count0
Last Exam

Data sources: USCG CGMIX, EU MRV (EMSA), CII computed, Global Fishing Watch. 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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