GRAND ACE11 — Know Your Vessel

Updated: 2026-07-27 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
KOREA, REPUBLIC OF
Type
Oil tanker
Built
2008
18 years old
DWT
25,000

Present Location

Last seen at
JEBEL ALI
ARE
Arrived
2026-01-14
Departed
2026-01-16
192d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2022)
Unrated
CO2 Emissions
1,710
tonnes/year
Distance
6,270
nm/year

EU MRV 2022: 1,710 t CO2, 542 t fuel, 272.74 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
106h
4d per port
Port Utilization
46.3%
time in port
Dark Events
1
20h total

Primary route: ULSAN → BALBOA → LOME

Data period: 2023-06-18 to 2026-01-16

PortCountryVisits
ULSANKOR5
LOMETGO4
BALBOAPAN4
PUERTO BARRIOSGTM3
LIVERPOOLGBR3

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-01-142026-01-16JEBEL ALIARE2.1d
2026-01-132026-01-14JEBEL ALIARE1.3d
2026-01-102026-01-12KWT1.5d
2026-01-052026-01-07JEBEL ALIARE2d
2025-12-312026-01-04KWT3.2d
2025-12-282025-12-29FUJAIRAHARE1.6d
2025-11-242025-12-02LUANDAAGO8.5d
2025-10-202025-11-19LOMETGO30.3d
2025-10-202025-10-20LOMETGO0.1d
2025-08-102025-10-19TEMAGHA70.7d
2025-08-032025-08-09LOMETGO6.3d
2025-07-182025-08-03LOMETGO16d
2025-07-072025-07-08TENERIFEESP0.4d
2025-06-282025-07-01IMMINGHAMGBR3.4d
2025-06-262025-06-26ANTWERPBEL0.7d
2025-06-222025-06-25FRA2.8d
2025-06-142025-06-14AUGUSTAITA0.2d
2025-06-092025-06-13TARANTOITA4.3d
2025-06-082025-06-08AUGUSTAITA0.3d
2025-06-032025-06-04GIBRALTARGIB0.5d

AIS Dark Periods

1 events, 20 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-11-102024-11-1120HIGH 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

43 events, 758 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-05-159917.5, 72.50.1 kn
2026-05-11187.0, 79.10.9 kn
2026-05-1127.0, 79.30.6 kn
2026-04-143334.1, 128.00.4 knHIGH RISK
2026-04-096934.1, 128.00.1 knHIGH RISK
2026-04-065136.3, 125.30.7 knHIGH RISK
2026-03-254736.2, 125.30.0 knHIGH RISK
2026-03-23434.8, 129.91.5 knHIGH RISK
2026-03-23935.0, 129.91.2 knHIGH RISK
2026-03-161036.1, 141.21.4 kn

STS Encounter Detection

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

2026-05-15 — 17.5, 72.5

VesselIMOStatusDurationSpeed
GALA ROSE9126015SANCTIONED87h0.1 kn

2026-03-25 — 36.2, 125.3

VesselIMOStatusDurationSpeed
TORM AMALIE9466025Clean39h0.7 kn
TORM AMALIE9466025Clean25h0.8 kn
SILVER SAWSAN9718882Clean132h0.7 kn

2026-01-28 — 27.4, 50.1

VesselIMOStatusDurationSpeed
NV AQUAMARINE9307736Clean84h0.4 kn
IOANNA9387566Clean127h0.1 kn
JBU OPAL9400409Clean75h0.1 kn
SEEB9500716Clean29h0.2 kn
DELTA MARIA9700691Clean3h0.1 kn

2026-01-17 — 27.1, 51.1

VesselIMOStatusDurationSpeed
APNOIA9448152Clean62h0.3 kn
OLYMPIC TARGET9468853Clean1h1.5 kn
OLYMPIC TARGET9468853Clean8h0.7 kn

2025-05-06 — 25.0, -88.6

VesselIMOStatusDurationSpeed
BW CARINA9701798Clean5h1.6 kn

2024-10-22 — 35.2, 129.7

VesselIMOStatusDurationSpeed
ARDMORE ENDEAVOUR9667942Clean12h1.5 kn

2023-12-10 — 29.3, -93.3

VesselIMOStatusDurationSpeed
SAGA9528031Clean2h1.7 kn

13 unique vessels encountered, 1 sanctioned

USCG Registration

StatusActive
Call SignD7TH
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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