ST HELEN — Know Your Vessel

Updated: 2026-08-15 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
MALTA
Type
Chemical tanker
Built
2022
4 years old
DWT
25,000

Present Location

Last seen at
IJMUIDEN
NLD
Arrived
2026-08-10
Departed
2026-08-10
6d ago

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
7,154
tonnes/year
Distance
26,655
nm/year
YearRatingRatio
2023Unrated
2022Unrated

EU MRV 2024: 7,190 t CO2, 2,282 t fuel

Voyage Pattern

Port Visits
79
Avg Dwell
100h
4d per port
Port Utilization
30.7%
time in port
Dark Events
4
1213h total

Primary route: LOME → ANTWERP → TEMA

Data period: 2023-08-29 to 2026-08-10

PortCountryVisits
LOMETGO7
ANTWERPBEL6
TEMAGHA4
IJMUIDENNLD4
TENERIFEESP3

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-08-102026-08-10IJMUIDENNLD0.1d
2026-08-062026-08-09IMMINGHAMGBR3.2d
2026-08-012026-08-06GBR4.3d
2026-08-012026-08-01NLD0.2d
2026-07-282026-07-30GBR-461GBR1.7d
2026-07-282026-07-28FELIXSTOWEGBR0.2d
2026-07-222026-07-23TENERIFEESP0.2d
2026-06-242026-07-05LOMETGO11.2d
2026-06-152026-06-17MINDELOCPV1.9d
2026-06-042026-06-07IJMUIDENNLD2.7d
2026-05-282026-06-03AMSTERDAMNLD6.1d
2026-05-242026-05-26IJMUIDENNLD2.8d
2026-05-182026-05-19GIBRALTARGIB0.4d
2026-04-282026-04-29ALGECIRASESP0.4d
2026-04-142026-04-27MAR13.5d
2026-04-092026-04-12MAR2.7d
2026-03-162026-03-23USA7.1d
2026-03-052026-03-06GEORGE TOWNCYM0.9d
2026-03-012026-03-02RIO HAINADOM1.6d
2026-02-212026-02-28ST CROIXVIR6.1d

AIS Dark Periods

4 events, 1213 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2025-12-182025-12-1943HIGH RISK ZONE
2025-12-162025-12-1624HIGH RISK ZONE
2024-07-312024-08-0115HIGH RISK ZONE
2024-02-082024-03-261131HIGH 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

63 events, 709 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-07-31252.4, 3.21.9 kn
2026-07-31452.5, 3.21.2 kn
2026-07-31452.5, 3.20.8 kn
2026-07-31352.5, 3.21.3 kn
2026-07-31352.5, 3.31.0 kn
2026-06-03452.5, 3.21.6 kn
2026-05-2814552.4, 3.90.1 kn
2026-05-27752.4, 3.20.7 kn
2026-05-27352.5, 3.30.5 kn
2026-05-27152.5, 3.21.6 kn

STS Encounter Detection

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

2026-06-03 — 52.5, 3.2

VesselIMOStatusDurationSpeed
AVAX9953420Clean2h1.5 kn

2026-03-11 — 25.5, -92.7

VesselIMOStatusDurationSpeed
IONIC ANAX9802152Clean32h1.1 kn

2026-03-10 — 25.4, -92.7

VesselIMOStatusDurationSpeed
IONIC ANAX9802152Clean32h1.1 kn

2025-08-15 — 5.6, 4.4

VesselIMOStatusDurationSpeed
OTTOMAN INTEGRITY9530618Clean10h0.2 kn
SEA SAPPHIRE9935600Clean3h1.3 kn

2024-08-20 — 55.9, 18.1

VesselIMOStatusDurationSpeed
MTM SAVANNAH9726750Clean10h0.6 kn
MTM SAVANNAH9726750Clean6h0.5 kn
RIVERA9777943Clean329h0.1 kn

2023-10-26 — 52.3, 2.8

VesselIMOStatusDurationSpeed
SEYCHELLES PIONEER9255517Clean13h0.1 kn

2023-10-25 — 52.2, 2.8

VesselIMOStatusDurationSpeed
STEN POSEIDON9322700Clean2h1.0 kn

2023-09-23 — 35.9, -4.9

VesselIMOStatusDurationSpeed
MONTESPERANZA9585871Clean19h0.6 kn
CAPTAIN JOHN9692832Clean10h1.1 kn
BERING GAS9745536Clean5h1.6 kn

11 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call Sign9HA5506
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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