ROBERTO — Know Your Vessel

Updated: 2026-08-10 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
SINGAPORE
Type
Gas carrier
DWT
40,000

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Carbon Intensity (CII)

Rating (2021)
Unrated
CO2 Emissions
3,487
tonnes/year
Distance
9,595
nm/year
YearRatingRatio
2021Unrated
2020Unrated

EU MRV 2021: 3,487 t CO2, 1,116 t fuel, 363.46 kg CO2/nm

Voyage Pattern

Port Visits
99
Avg Dwell
50h
2d per port
Port Utilization
21.8%
time in port
Dark Events
1
251h total

Primary route: HOUSTON → MANZANILLO → GATUN LAKE ANCHORAGE

Data period: 2023-08-06 to 2026-02-28

PortCountryVisits
HOUSTONUSA12
MANZANILLOPAN10
PANAMA CANAL ANCHORAGEPAN9
GATUN LAKE ANCHORAGEPAN9
BALBOAPAN7

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-02-272026-02-28USA1d
2026-02-232026-02-23GATUN LAKE ANCHORAGEPAN0.2d
2026-02-192026-02-23BALBOAPAN3.9d
2026-01-272026-01-28YOKOSUKAJPN0.3d
2026-01-232026-01-25JPN2d
2025-12-302025-12-30PAN-42PAN0.7d
2025-12-292025-12-30PANAMA CANAL ANCHORAGEPAN0.3d
2025-12-292025-12-29MANZANILLOPAN0.8d
2025-12-192025-12-24HOUSTONUSA4.9d
2025-12-182025-12-19USA1.4d
2025-11-272025-12-02ANTWERPBEL4.5d
2025-11-242025-11-27ANTWERPBEL2.9d
2025-11-062025-11-08HOUSTONUSA2.2d
2025-11-052025-11-06HOUSTONUSA0.4d
2025-11-012025-11-01GATUN LAKE ANCHORAGEPAN0.2d
2025-10-302025-11-01BALBOAPAN2d
2025-10-082025-10-09KOR1.1d
2025-10-012025-10-01KOR0.2d
2025-09-292025-09-30ZHOUSHANCHN1.1d
2025-09-252025-09-29NINGBOCHN3.3d

AIS Dark Periods

1 events, 251 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2024-03-292024-04-09251HIGH 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

36 events, 606 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-06-23534.7, 152.01.6 kn
2026-05-15127.6, -94.31.9 kn
2026-03-31429.4, 159.91.4 kn
2026-03-26119.9, -167.41.7 kn
2026-01-261333.6, 137.81.3 kn
2025-12-17127.4, -94.21.6 kn
2025-11-23349.5, -5.41.5 kn
2025-11-22349.6, -5.91.0 kn
2025-11-22549.5, -5.81.6 kn
2025-11-20747.2, -21.70.8 kn

STS Encounter Detection

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

2025-10-01 — 34.0, 127.9

VesselIMOStatusDurationSpeed
PIS KERINCI9838242Clean11h0.9 kn

2025-09-25 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
G BAMBOO9143506SANCTIONED388h0.0 kn
NINGBO DAWN9397808Clean10h1.2 kn
ORIENTAL JUBILEE9763813Clean103h0.1 kn

2025-07-14 — 25.6, -92.8

VesselIMOStatusDurationSpeed
SERENE MONACO9309629Clean33h1.0 kn
SONANGOL MAIOMBE9766322Clean24h0.7 kn
FUTURE ENERGY9867102Clean17h0.6 kn

2024-12-11 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
LOTUS 69240158SANCTIONED2h1.9 kn

2024-11-28 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
GRAN COUVA9380520Clean181h0.1 kn
ISLAND SPLENDOR9508861Clean6h0.9 kn
ISLAND SPLENDOR9508861Clean30h1.0 kn

2024-11-27 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
LUCKY CARRIER9400679Clean6h1.7 kn

2024-11-27 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
TARBET SPIRIT9408322Clean14h1.1 kn

2024-09-02 — 35.2, 120.6

VesselIMOStatusDurationSpeed
SERENE 19197832SANCTIONED45h0.2 kn
CONSTITUTION9706499Clean94h0.1 kn
MARAN ARES9796872Clean51h0.1 kn

15 unique vessels encountered, 3 sanctioned

P&I Insurance

Not covered by IG P&I clubs

Last checked: 2026-07-25 04:04:00

USCG Registration

StatusActive
Call Sign9V5731
Deficiency Count0
Detention Count0
Last Exam

Data sources: USCG CGMIX, EU MRV (EMSA), CII computed, Global Fishing Watch, GFW dark events, IG P&I Clubs. 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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