BLUE CRYSTAL — Know Your Vessel

Updated: 2026-07-25 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
MARSHALL ISLANDS
Type
Chemical tanker
Built
2012
14 years old
DWT
25,000

Present Location

Last seen at
BONNY
NGA
Arrived
2024-11-26
Departed
2024-11-29
603d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2019)
Unrated
CO2 Emissions
3,763
tonnes/year
Distance
18,316
nm/year
YearRatingRatio
2019Unrated
2018Unrated

EU MRV 2019: 3,763 t CO2, 1,200 t fuel, 205.45 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
48h
2d per port
Port Utilization
39.8%
time in port

Primary route: BONNY → LUANDA → LOME

Data period: 2023-07-19 to 2024-11-29

PortCountryVisits
BONNYNGA96
LUANDAAGO1
LOMETGO1
LAGOSNGA1

Recent port calls:

ArrivalDeparturePortCountryDuration
2024-11-262024-11-29BONNYNGA3d
2024-11-222024-11-23BONNYNGA0.9d
2024-11-182024-11-19BONNYNGA1d
2024-11-132024-11-14BONNYNGA0.9d
2024-11-092024-11-11BONNYNGA2d
2024-11-062024-11-07BONNYNGA0.8d
2024-11-022024-11-03BONNYNGA1.1d
2024-10-292024-10-30BONNYNGA0.9d
2024-10-252024-10-26BONNYNGA0.8d
2024-10-212024-10-22BONNYNGA1.3d
2024-10-172024-10-18BONNYNGA0.5d
2024-10-132024-10-14BONNYNGA0.9d
2024-10-092024-10-10BONNYNGA1d
2024-10-022024-10-05BONNYNGA3d
2024-09-292024-09-30BONNYNGA0.8d
2024-09-262024-09-27BONNYNGA1d
2024-09-222024-09-23BONNYNGA1.2d
2024-09-182024-09-20BONNYNGA1.5d
2024-09-142024-09-16BONNYNGA1.7d
2024-09-112024-09-12BONNYNGA1d

Loitering Events

2 events, 81 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2023-07-1573-8.5, 8.80.8 kn
2023-07-128-21.3, 8.91.1 kn

STS Encounter Detection

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

2023-07-15 — -8.5, 8.8

VesselIMOStatusDurationSpeed
THORNTON9445643Clean31h0.7 kn

1 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call SignV7BH2
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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