WHISTLER SPIRIT — Know Your Vessel

Updated: 2026-07-26 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
BAHAMAS
Type
Oil tanker
Built
2010
16 years old
DWT
25,000

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Carbon Intensity (CII)

Rating (2023)
Unrated
CO2 Emissions
3,360
tonnes/year
Distance
8,938
nm/year
YearRatingRatio
2023Unrated
2022Unrated
2021Unrated
2020Unrated
2019Unrated

EU MRV 2024: 10,070 t CO2, 3,207 t fuel

Voyage Pattern

Port Visits
99
Avg Dwell
69h
3d per port
Port Utilization
37.4%
time in port
Dark Events
1
3106h total

Primary route: PORT ARTHUR → COATZACOALCOS → HOUSTON

Data period: 2023-07-06 to 2025-08-09

PortCountryVisits
PORT ARTHURUSA9
COATZACOALCOSMEX6
HOUSTONUSA4
CORPUS CHRISTIUSA3
YOKOSUKAJPN2

Recent port calls:

ArrivalDeparturePortCountryDuration
2025-08-062025-08-09JPN3.9d
2025-07-312025-08-02JPN2d
2025-07-272025-07-29YOKOSUKAJPN2.2d
2025-07-232025-07-26SENDAIJPN2.8d
2025-07-182025-07-20IWAKUNIJPN1.3d
2025-07-152025-07-17YOKOSUKAJPN1.1d
2025-07-012025-07-04AUS2.9d
2025-06-102025-06-11HONGKONGCHN1.2d
2025-06-042025-06-09KAOHSIUNGTWN4.1d
2025-06-032025-06-04KAOHSIUNGTWN1.5d
2025-05-232025-05-24AUS1.4d
2025-05-092025-05-12SRIRACHATHA2.5d
2025-05-042025-05-06SRIRACHATHA1.2d
2025-04-282025-04-29TUBANIDN1.4d
2025-04-152025-04-19TELOK RAMUNIAMYS3.7d
2025-03-192025-04-10HONGKONGCHN22.1d
2025-03-092025-03-11DONGYINGCHN2.2d
2025-02-252025-02-27SERIABRN1.4d
2025-02-222025-02-24SERIABRN1.5d
2025-02-172025-02-20SINGAPORESGP3d

AIS Dark Periods

1 events, 3106 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-07-032024-11-093106HIGH 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

99 events, 1574 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2025-03-18221.8, 114.61.3 kn
2025-03-074138.2, 119.40.1 kn
2024-12-16128.4, -89.91.8 kn
2024-07-03144.7, -17.60.9 kn
2024-06-263043.8, -3.01.0 kn
2024-06-23243.8, -3.01.4 kn
2024-06-22644.1, -2.81.6 kn
2024-06-21943.9, -2.91.1 kn
2024-06-21544.0, -3.11.5 kn
2024-06-201244.0, -3.01.0 kn

STS Encounter Detection

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

2024-05-25 — 28.7, -94.6

VesselIMOStatusDurationSpeed
YASA GOLDENBOSPHORUS9334038Clean14h0.3 kn
VESTHOLMEN9421295Clean15h0.1 kn
ARAGONA9513115Clean27h0.3 kn
ALSACE9530905Clean396h0.0 kn
COBALT NOVA9534028Clean15h0.0 kn

2024-05-07 — 28.8, -94.5

VesselIMOStatusDurationSpeed
YUAN SHAN HU9417189Clean407h0.0 kn
EAGLE KLANG9417892Clean1h1.5 kn
VESTHOLMEN9421295Clean11h0.3 kn
LARGO MARINER9699866Clean28h0.3 kn

2024-05-07 — 28.8, -94.6

VesselIMOStatusDurationSpeed
VESTHOLMEN9421295Clean30h0.1 kn
LARGO MARINER9699866Clean28h0.3 kn
LARGO MARINER9699866Clean121h0.1 kn

2024-05-06 — 28.8, -94.6

VesselIMOStatusDurationSpeed
VESTHOLMEN9421295Clean30h0.1 kn
LARGO MARINER9699866Clean121h0.1 kn

2024-05-02 — 28.6, -94.6

VesselIMOStatusDurationSpeed
PATROCLUS9413834Clean11h0.2 kn
EAGLE KANGAR9417024Clean2h1.7 kn
VESTHOLMEN9421295Clean3h1.8 kn
VESTHOLMEN9421295Clean30h0.1 kn
STORHOLMEN9436408Clean4h0.3 kn
EAGLE HALIFAX9453987Clean19h1.5 kn
SEAWAYS PECOS9594743Clean24h1.1 kn
SANDPIPER PACIFIC9648192Clean2h1.5 kn
LARGO MARINER9699866Clean121h0.1 kn

2024-05-01 — 28.6, -94.5

VesselIMOStatusDurationSpeed
CAPE TAFT9401221Clean27h0.6 kn
EAGLE HALIFAX9453987Clean2h1.3 kn
EAGLE HALIFAX9453987Clean2h1.5 kn
SEAWAYS PECOS9594743Clean32h0.0 kn
SEAWAYS PECOS9594743Clean3h1.2 kn
LARGO MARINER9699866Clean121h0.1 kn

2024-04-30 — 28.5, -94.3

VesselIMOStatusDurationSpeed
CAPE TAFT9401221Clean130h0.1 kn
EAGLE KLANG9417892Clean16h0.1 kn
EAGLE HALIFAX9453987Clean38h0.0 kn
SEAWAYS PECOS9594743Clean32h0.0 kn

2024-04-30 — 28.6, -94.1

VesselIMOStatusDurationSpeed
CAPE TAFT9401221Clean130h0.1 kn
EAGLE KLANG9417892Clean20h0.4 kn
EAGLE KLANG9417892Clean16h0.1 kn
EAGLE HALIFAX9453987Clean38h0.0 kn
SEAWAYS PECOS9594743Clean22h0.1 kn
SEAWAYS PECOS9594743Clean32h0.0 kn

2024-04-29 — 28.6, -93.8

VesselIMOStatusDurationSpeed
CAPE TAFT9401221Clean130h0.1 kn
EAGLE KLANG9417892Clean16h0.6 kn
EAGLE HALIFAX9453987Clean11h1.1 kn

15 unique vessels encountered, 0 sanctioned

USCG Registration

StatusActive
Call SignC6BC5
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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