GEM TOPAZ — 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
2013
13 years old
DWT
25,000

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
5,280
tonnes/year
Distance
16,311
nm/year
YearRatingRatio
2023Unrated
2021Unrated
2020Unrated
2019Unrated
2018Unrated

EU MRV 2023: 5,280 t CO2, 1,681 t fuel, 323.7 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
67h
3d per port
Port Utilization
30.2%
time in port

Primary route: TELOK RAMUNIA → ULSAN → YOKOHAMA

Data period: 2023-08-19 to 2026-02-19

PortCountryVisits
TELOK RAMUNIAMYS6
YOKOHAMAJPN5
ULSANKOR5
MUARABRN3
VANCOUVERCAN2

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-02-182026-02-19AUS1.1d
2026-02-152026-02-16AUS1.7d
2026-02-092026-02-11AUS1.9d
2026-01-232026-01-26TELOK RAMUNIAMYS2.4d
2026-01-102026-01-11AUS1.3d
2026-01-092026-01-09AUS0.5d
2025-12-252025-12-27PASIR GUDANGMYS2.5d
2025-12-222025-12-24TELOK RAMUNIAMYS2d
2025-12-062025-12-09AUS2.7d
2025-12-052025-12-06AUS0.6d
2025-11-292025-12-03AUS4.2d
2025-11-122025-11-14MUARABRN1.7d
2025-10-282025-11-09TELOK RAMUNIAMYS12.7d
2025-10-232025-10-24THA1d
2025-10-222025-10-23THA0.9d
2025-10-182025-10-20THA2.6d
2025-09-272025-09-29NEW PLYMOUTHNZL2.1d
2025-09-212025-09-22DUNEDINNZL1d
2025-09-202025-09-21NZL0.5d
2025-09-172025-09-18NELSONNZL0.9d

Loitering Events

44 events, 404 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-03-0451.9, 104.70.2 kn
2025-11-1031.9, 104.70.0 kn
2025-10-251712.3, 100.70.0 kn
2025-10-22311.2, 101.51.9 kn
2025-10-21511.2, 101.61.0 kn
2025-10-21911.2, 101.61.0 kn
2025-01-28235.2, 130.01.6 knHIGH RISK
2025-01-28735.4, 129.91.6 knHIGH RISK
2025-01-27535.4, 129.91.3 knHIGH RISK
2024-11-05633.3, 134.81.3 kn

STS Encounter Detection

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

2026-03-04 — Singapore Strait

VesselIMOStatusDurationSpeed
ALA9198094SANCTIONED122h0.1 kn
LATTAFA9245794SANCTIONED506h0.1 kn
GLOBAL STAR9198082SANCTIONED639h0.1 kn
VETER9233739SANCTIONED323h0.0 kn
EXONAVE9014456SANCTIONED14h0.1 kn
URANUS9307633SANCTIONED835h0.1 kn
IVY9337133SANCTIONED375h0.0 kn
LOYALTY9182306Clean714h0.1 kn
YEHOPE9243320Clean550h0.1 kn
POREWIT9302865Clean130h0.1 kn
PUYANG9174220SANCTIONED1786h0.0 kn
FPMC 269433846Clean64h0.0 kn
AVENGER BOW9005338SANCTIONED1123h0.1 kn
DA LI9113379SANCTIONED2068h0.0 kn
ROSE WOOD9182291SANCTIONED439h0.1 kn
DORIC BREEZE9637129Clean146h0.0 kn
ASTIPALEA9711509Clean1138h0.1 kn

2025-11-10 — Singapore Strait

VesselIMOStatusDurationSpeed
ALA9198094SANCTIONED1202h0.1 kn
ROZA9197909SANCTIONED582h0.0 kn
ZEVS9168946SANCTIONED343h0.0 kn
KATSUYA9178068SANCTIONED1681h0.0 kn
VETER9233739SANCTIONED166h0.0 kn
STEN IDUN9261102Clean94h0.1 kn
XI9174397SANCTIONED575h0.1 kn
NOXEN9189146SANCTIONED818h0.1 kn
LEXIE9203277SANCTIONED984h0.0 kn
AVENGER BOW9005338SANCTIONED67h0.0 kn
DA LI9113379SANCTIONED1406h0.0 kn
OTHONI9711494Clean347h0.0 kn

2025-01-28 — 35.2, 130.0

VesselIMOStatusDurationSpeed
THERESA SCHULTE9553622Clean4h1.1 kn

2025-01-28 — 35.4, 129.9

VesselIMOStatusDurationSpeed
ELKA HERCULES9234472SANCTIONED1h1.8 kn

2025-01-27 — 35.4, 129.9

VesselIMOStatusDurationSpeed
GARNET EXPRESS9609639Clean4h1.3 kn

2023-12-26 — 33.6, 137.3

VesselIMOStatusDurationSpeed
HAFNIA LYNX9635808Clean13h1.2 kn

2023-10-05 — 33.8, 128.1

VesselIMOStatusDurationSpeed
CRIUS9251274SANCTIONED296h0.1 kn

30 unique vessels encountered, 19 sanctioned

USCG Registration

StatusActive
Call SignV7BC9
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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