IMPALAS — Know Your Vessel

Updated: 2026-07-27 | Source: ship.rootz.global | Data: OFAC, EIA, EU MRV, GFW, AIS, USCG
Flag State
Sao Tome & Principe
Type
Crude Oil Tanker
Built
1998
28 years old

Present Location

Status
Location Unknown
No AIS position or port visit data available

Risk Assessment

Sanctions Status

ProgramDesignatedFlagTypeTonnage
IRAN-EO13902Sao Tome & PrincipeCrude Oil Tanker-0-

Remarks: Vessel Year of Build 1999; Vessel Registration Identification IMO 9171448; MMSI 668116257; Linked To: EMBRACE QUE LIMITED.

Voyage Pattern

Port Visits
13
Avg Dwell
59h
2d per port
Port Utilization
2.9%
time in port
Dark Events
2
1636h total

Primary route: TELOK RAMUNIA → GIBRALTAR → SINGAPORE

Data period: 2023-07-06 to 2026-06-23

PortCountryVisits
TELOK RAMUNIAMYS2
SINGAPORESGP1
GIBRALTARGIB1
FORTUNE STARMYS1
BAYUQUANCHN1

Recent port calls:

ArrivalDeparturePortCountryDuration
2026-06-202026-06-23IRN2.9d
2026-06-202026-06-23IRN2.9d
2026-06-202026-06-23IRN2.9d
2026-06-202026-06-23IRN2.9d
2026-06-202026-06-23IRN2.9d
2026-06-202026-06-23IRN2.9d
2026-06-202026-06-23IRN2.9d
2024-05-142024-05-14TELOK RAMUNIAMYS0.5d
2024-04-272024-04-30BAYUQUANCHN2.7d
2024-03-312024-04-01TELOK RAMUNIAMYS1.2d
2024-03-182024-03-20FORTUNE STARMYS2.6d
2024-02-122024-02-17SINGAPORESGP4.1d
2023-07-062023-07-07GIBRALTARGIB0.6d

AIS Dark Periods

2 events, 1636 hours total darkness

StartEndHoursAIS OffAIS OnDistanceImplied SpeedAnalysis
2023-07-312023-10-071623HIGH RISK ZONE
2023-07-072023-07-0813HIGH 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

14 events, 2666 hours total (stationary at sea — possible STS transfers)

StartHoursPositionSpeedRisk Zone
2026-06-152025.6, 56.90.5 knHIGH RISK
2024-05-036829.8, 123.00.1 kn
2024-04-031971.8, 104.70.0 kn
2024-04-01421.7, 104.70.0 kn
2024-03-212291.7, 104.70.0 kn
2024-02-176931.8, 104.70.1 kn
2024-02-09711.7, 104.70.3 kn
2024-01-156121.8, 104.70.2 kn
2024-01-012211.8, 104.70.0 kn
2023-12-2724-7.8, 102.20.3 kn

STS Encounter Detection

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

2026-06-15 — Fujairah / Hormuz

VesselIMOStatusDurationSpeed
GAZ GMS9131539SANCTIONED107h0.1 kn
CICCIO9192442SANCTIONED14h0.7 kn

2024-05-03 — East China Sea (Zhoushan)

VesselIMOStatusDurationSpeed
GOLSAN9165815SANCTIONED198h0.1 kn
LADY SOFIA9212759SANCTIONED289h0.0 kn
SEAWAYS YOSEMITE9394959Clean219h0.1 kn
PALANCA SHERIFF9492311Clean32h0.1 kn

2024-04-03 — Singapore Strait

VesselIMOStatusDurationSpeed
BIANCA JOYSEL9196632SANCTIONED1421h0.0 kn
FIONA II9262766SANCTIONED378h0.0 kn
FT ISLAND9166675SANCTIONED747h0.0 kn
M SOPHIA9289477SANCTIONED74h0.0 kn
CRYSTAL ROSE9292228SANCTIONED351h0.0 kn
IVY9337133SANCTIONED287h0.0 kn
NSH SINGAPORE9343754Clean413h0.0 kn
NSH SINGAPORE9343754Clean200h0.0 kn
TORM LOUISE9392482Clean127h0.0 kn
AMOR9182291SANCTIONED347h0.0 kn
AMOR9182291SANCTIONED67h0.1 kn
FREE SPIRIT9409259Clean110h0.0 kn
CHLOE9173745SANCTIONED304h0.0 kn
DING HENG 439492957Clean18h0.0 kn
LISA9174397SANCTIONED2322h0.1 kn
ELANDRA OAK9509449Clean1h0.3 kn
FLEVES9597006Clean13h0.3 kn
DELTA ANGELICA9602629Clean42h0.0 kn
DELTA ANGELICA9602629Clean251h0.0 kn
SUNNY APATITE9721891Clean3h0.1 kn

2024-04-01 — Singapore Strait

VesselIMOStatusDurationSpeed
BIANCA JOYSEL9196632SANCTIONED1421h0.0 kn
FIONA II9262766SANCTIONED378h0.0 kn
FT ISLAND9166675SANCTIONED747h0.0 kn
IVY9337133SANCTIONED71h0.1 kn
STEN IDUN9261102Clean28h0.0 kn
TORM REPUBLICAN9290658Clean10h0.1 kn
NSH SINGAPORE9343754Clean413h0.0 kn
SOVEREIGN9390939Clean8h0.2 kn
AMOR9182291SANCTIONED67h0.1 kn
FREE SPIRIT9409259Clean110h0.0 kn
LISA9174397SANCTIONED2322h0.1 kn
DIAMANTIS P9146314SANCTIONED54h0.0 kn
SFL LION9664770Clean5h0.1 kn

2024-03-21 — Singapore Strait

VesselIMOStatusDurationSpeed
GAZ VENEZIA9013701SANCTIONED6h0.6 kn
GAZ VENEZIA9013701SANCTIONED13h0.7 kn
BIANCA JOYSEL9196632SANCTIONED1421h0.0 kn
BIANCA JOYSEL9196632SANCTIONED509h0.1 kn
FIONA II9262766SANCTIONED378h0.0 kn
GLOBAL VIVIAN9002908SANCTIONED1h0.6 kn
FT ISLAND9166675SANCTIONED1h1.4 kn
FT ISLAND9166675SANCTIONED747h0.0 kn
FT ISLAND9166675SANCTIONED615h0.0 kn
PARNIA9167265SANCTIONED16h0.0 kn

31 unique vessels encountered, 17 sanctioned

USCG Registration

StatusActive
Call SignSYFV
Deficiency Count0
Detention Count0
Last Exam

Data sources: OFAC SDN, USCG CGMIX, 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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