SEYMOUR SUN — Know Your Vessel

Updated: 2026-08-13 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
SINGAPORE
Type
Chemical tanker
Built
2022
4 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
11,801
tonnes/year
Distance
29,967
nm/year

EU MRV 2024: 7,775 t CO2, 3,586 t fuel

Voyage Pattern

Port Visits
51
Avg Dwell
58h
2d per port
Port Utilization
11.4%
time in port
Dark Events
1
15924h total

Primary route: HOUSTON → ULSAN → DURBAN

Data period: 2023-08-13 to 2026-07-24

PortCountryVisits
HOUSTONUSA5
ULSANKOR3
ROTTERDAM MAASVLAKTENLD2
ROTTERDAMNLD2
PARANAGUABRA2

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-07-202026-07-24USA3.9d
2026-06-292026-07-03ROTTERDAM MAASVLAKTENLD3.4d
2026-06-272026-06-29ROTTERDAMNLD2.3d
2026-06-232026-06-27ROTTERDAMNLD4.2d
2026-06-202026-06-22ROTTERDAM MAASVLAKTENLD1.9d
2024-08-182024-08-21TTO3.1d
2024-08-102024-08-11FORT ANDREWSUSA1.1d
2024-08-082024-08-10BOSTONUSA2d
2024-07-262024-07-29GBR2.7d
2024-07-222024-07-23LE HAVREFRA1.2d
2024-07-192024-07-21ANTWERPBEL2d
2024-07-022024-07-05TTO2.9d
2024-06-032024-06-14PARANAGUABRA10.9d
2024-05-312024-06-03PARANAGUABRA3.4d
2024-05-252024-05-27BRA-269BRA1.5d
2024-05-242024-05-25ARATUBRA1.7d
2024-05-042024-05-07USA3d
2024-04-202024-04-22MONTREALCAN2d
2024-04-052024-04-08IJMUIDENNLD3.3d
2024-04-042024-04-05AMSTERDAMNLD1.5d

AIS Dark Periods

1 events, 15924 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-08-252026-06-1915924HIGH 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

27 events, 202 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-08-06348.6, -26.11.0 kn
2024-08-24318.8, -53.30.9 kn
2024-08-22212.7, -59.31.1 kn
2024-08-15123.8, -62.51.0 kn
2024-07-25251.4, -5.41.3 kn
2024-07-24751.2, -5.81.2 kn
2024-04-25144.7, -56.51.1 kn
2024-04-15145.5, -40.50.7 kn
2024-04-01250.2, 0.21.5 kn
2024-04-01550.1, -0.20.6 kn

STS Encounter Detection

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

2024-02-25 — 25.6, -92.2

VesselIMOStatusDurationSpeed
JAG POOJA9310692Clean21h1.2 kn
JAG POOJA9310692Clean6h1.9 kn
SILVER LONDON9683374Clean8h0.7 kn
SILVER LONDON9683374Clean23h0.8 kn
NAKHAL SILVER9718765Clean26h0.8 kn

2023-12-12 — 35.2, 129.8

VesselIMOStatusDurationSpeed
TONG LIN WAN9652014Clean8h1.6 kn
STI SUPREME9719721Clean3h1.8 kn

2023-10-10 — 25.9, -93.2

VesselIMOStatusDurationSpeed
IZKI9500924Clean3h1.9 kn

2023-10-09 — 25.7, -92.9

VesselIMOStatusDurationSpeed
JAG PRAKASH9315721Clean51h1.2 kn
TARANAKI SUN9751406Clean16h0.9 kn

8 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call Sign9V7557
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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