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STI BLACK HAWK — Know Your Vessel

Updated: 2026-07-27 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
MARSHALL ISLANDS
Type
Oil tanker
Built
2015
11 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
2,646
tonnes/year
Distance
10,454
nm/year
YearRatingRatio
2022Unrated—
2021Unrated—
2019Unrated—

EU MRV 2024: 6,380 t CO2, 2,041 t fuel

Voyage Pattern

Port Visits
99
Avg Dwell
71h
3d per port
Port Utilization
28.9%
time in port
Dark Events
1
13h total

Primary route: ULSAN → KHOR FAKKAN → ANTWERP

Data period: 2023-08-10 to 2026-05-18

PortCountryVisits
ULSANKOR5
KHOR FAKKANARE4
DURBANZAF4
ANTWERPBEL4
TELOK RAMUNIAMYS3

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-05-172026-05-18—NLD1.4d
2026-05-072026-05-16ANTWERPBEL8.8d
2026-05-072026-05-07ANTWERPBEL0.2d
2026-05-052026-05-06LE HAVREFRA1.2d
2026-04-192026-04-19GATUN LAKE ANCHORAGEPAN0.2d
2026-04-182026-04-19BALBOAPAN1d
2026-04-012026-04-08SAUSALITOUSA6.1d
2026-03-262026-03-28—USA1.6d
2026-03-172026-03-26—USA9.6d
2026-03-142026-03-17—USA2.1d
2026-03-102026-03-14—USA4d
2026-02-092026-02-20—KOR11d
2026-01-312026-02-04—PHL3.9d
2026-01-222026-01-26ULSANKOR4.1d
2026-01-182026-01-20—KOR2d
2026-01-132026-01-15YOKOHAMAJPN1.3d
2026-01-112026-01-13YOKKAICHIJPN2d
2026-01-082026-01-10YOKOHAMAJPN2d
2025-12-312026-01-02ONSANKOR1d
2025-12-272025-12-28—TWN1.4d

AIS Dark Periods

1 events, 13 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-03-122024-03-1213————HIGH 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

75 events, 881 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-07-061935.9, -4.30.5 kn—
2026-07-051935.9, -4.40.7 kn—
2026-07-042535.9, -4.41.1 kn—
2026-07-041735.9, -4.40.6 kn—
2026-07-03735.8, -4.61.3 kn—
2026-07-03435.8, -4.51.6 kn—
2026-07-02935.8, -4.31.2 kn—
2026-07-02236.1, -4.41.3 kn—
2026-04-24226.3, -66.61.3 kn—
2026-03-312736.7, -123.60.7 kn—

STS Encounter Detection

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

2026-07-06 — 35.9, -4.3

VesselIMOStatusDurationSpeed
ARDMORE EXPORTER9654775Clean17h1.0 kn

2026-07-05 — 35.9, -4.4

VesselIMOStatusDurationSpeed
ARDMORE EXPORTER9654775Clean2h0.8 kn

2026-07-02 — 35.8, -4.3

VesselIMOStatusDurationSpeed
SEASALVIA9629550Clean5h1.7 kn

2026-07-02 — 36.1, -4.4

VesselIMOStatusDurationSpeed
SEASALVIA9629550Clean14h1.4 kn

2026-01-04 — 34.9, 130.4

VesselIMOStatusDurationSpeed
RAINBOW STAR9380049Clean21h1.3 kn
SILVER ELLIE9692387Clean7h1.1 kn

2026-01-04 — 34.8, 130.4

VesselIMOStatusDurationSpeed
RAINBOW STAR9380049Clean21h1.3 kn

2026-01-04 — 34.9, 130.3

VesselIMOStatusDurationSpeed
RAINBOW STAR9380049Clean21h1.3 kn
SILVER ELLIE9692387Clean17h1.2 kn

2026-01-03 — 34.8, 130.3

VesselIMOStatusDurationSpeed
RAINBOW STAR9380049Clean19h1.5 kn
SILVER ELLIE9692387Clean17h1.3 kn

2026-01-02 — 34.8, 130.3

VesselIMOStatusDurationSpeed
RAINBOW STAR9380049Clean19h1.5 kn
RAINBOW STAR9380049Clean20h1.2 kn
SILVER ELLIE9692387Clean17h1.3 kn

2026-01-02 — 34.9, 130.1

VesselIMOStatusDurationSpeed
RAINBOW STAR9380049Clean20h1.2 kn
SILVER ELLIE9692387Clean13h1.5 kn

2025-11-09 — 35.1, 129.9

VesselIMOStatusDurationSpeed
STOLT ENDURANCE9284697Clean3h1.3 kn
STOLT ENDURANCE9284697Clean10h1.2 kn

2025-11-09 — 35.1, 129.8

VesselIMOStatusDurationSpeed
STOLT ENDURANCE9284697Clean3h1.3 kn

2025-01-01 — Singapore Strait

VesselIMOStatusDurationSpeed
BIANCA JOYSEL9196632SANCTIONED2h1.0 kn
GLOBAL VIVIAN9002908SANCTIONED5h0.6 kn
ARGO 19187667SANCTIONED15h0.4 kn
ROZA9197909SANCTIONED350h0.1 kn
MEROPE9281891SANCTIONED120h0.1 kn
G JADES9131096SANCTIONED13h0.0 kn
IVY9337133SANCTIONED224h0.2 kn
SANTA CRUZ I9259680Clean10h1.2 kn
SEA LUCK III9261619Clean363h0.5 kn
WORLD TRADER I9278492Clean68h0.3 kn
ALIAKMON9305051Clean49h0.3 kn
OLYMPIC SPIRIT9327097Clean10h0.1 kn
NSH SINGAPORE9343754Clean5h0.6 kn
XAVIA9052331SANCTIONED44h0.2 kn
XAVIA9052331SANCTIONED43h0.4 kn
ARTEMIS III9102241SANCTIONED5h1.1 kn
ARTEMIS III9102241SANCTIONED1h1.9 kn
ELVA9196644SANCTIONED536h0.1 kn
EASTERLY BIRDIE9423724Clean1h1.8 kn
EASTERLY BIRDIE9423724Clean3h1.6 kn
EASTERLY BIRDIE9423724Clean2h1.4 kn
LEXIE9203277SANCTIONED68h0.2 kn

23 unique vessels encountered, 11 sanctioned

USCG Registration

StatusActive
Call SignV7HK6
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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