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Leader

Oil tanker · Liberia · built 2009 · AIS Class A

IMO9403542MMSI636013354Call signA8MJ8Last AIS position Oct 2, 2026, 00:11 UTC

In short

Leader (Oil tanker, Liberia flag) was last seen on AIS on , under way at 12.3 kn, near Port Dickson (Strait of Malacca). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is PEBGC SINGAPORE; its reported draught is 8.2 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 05:26 UTC). Its last detected port call was at Keppel: arrived Sep 30, 2026, left Oct 1, 2026. ISM manager: DYNACOM TANKERS MANAGEMENT LTD (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type
Oil tanker
Year built
2009
Gross tonnage
42,331
Size (length × beam)
228 m × 32 m

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Last reported position

received
Position
2.4388° N, 101.6735° E
Area
Strait of Malacca
StatusWhat do AIS statuses mean?
Under way using engine
Speed
12.3 kn
Course
307°
Heading
307°
2.4388° N, 101.6735° E
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Last 30 days: 1 port call (Keppel).

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name
Leader
IMO numberWhat is an IMO number?
9403542
MMSIWhat is an MMSI?
636013354
Call signWhat is a call sign?
A8MJ8
AIS ship type
Tanker
Gross tonnageGross tonnage vs deadweight
42,331
Length overall
228 m
Beam
32.2 m
Year built
2009

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

ISM manager
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

DateEventSource
Left KeppelAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at KeppelAIS-detectedVoydar port-call detector (AIS geofence)
Reported departure from Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported arrival at Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported departure from HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reportedUSACE foreign traffic vessel entrances & clearances
Reported arrival at HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reportedUSACE foreign traffic vessel entrances & clearances

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

YearCO₂ emittedFuel burnedTime at seaCO₂ / n mile
20182,773 t890 t24 days436 kg
20197,498 t2,392 t61 days498 kg
20240 t0 t0 days—
20250 t0 t0 days—

Technical efficiency: EEXI (4.07 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

PortArrivedDepartedTime in port
Keppel SGKEPSep 30, 2026, 21:04 UTCOct 1, 2026, 23:06 UTC26 h 2 min

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Reported by authorities Authority-reported

PortRecordDate (UTC)BerthSource
Hong Kong HKHKGArrivalJun 26, 2018, 09:29 UTCPAFFHong Kong vessel arrivals & departures (incl. VTMS daily reports)
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)DepartureJun 21, 2015(date only)—USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)ArrivalJun 18, 2015(date only)—USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)DepartureNov 11, 2010(date only)—USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)ArrivalNov 8, 2010(date only)—USACE foreign traffic vessel entrances & clearances
New York USNYCDepartureJun 16, 2009(date only)—USACE foreign traffic vessel entrances & clearances
New York USNYCArrivalJun 11, 2009(date only)—USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: June 11, 2009.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

WhenWhat we observedConfidence
Sep 30, 2026, 21:57 UTC
Draught change

Reported draught went from 10.1 m to 8.2 m while in port at Keppel. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

Medium (65%)
Sep 22, 2026, 22:05 UTC
AIS gap

No AIS position received for 10 h 50 min while our receivers kept hearing other ships there (9 of 9 hours in coverage). Heard again 24 km away.

Method seadar.behaviour.ais_gap v1

High (90%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is Leader now?
Leader (Oil tanker, Liberia flag) was last seen on AIS on Oct 2, 2026, 00:11 UTC, under way at 12.3 kn, near Port Dickson (Strait of Malacca). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was PEBGC SINGAPORE (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 05:26 UTC). This report does not confirm the ship’s current route.
What kind of ship is Leader?
Leader is an oil tanker sailing under the flag of Liberia, built in 2009 by Sungdong Shipbuilding & Marine Engineering. The vessel is 228 m long with a beam of 32.2 m and has a gross tonnage of 42,331.
Who is recorded as the owner or manager of Leader?
DYNACOM TANKERS MANAGEMENT LTD is recorded as ISM manager for Leader (source: EU MRV (THETIS-MRV) emissions; reporting years 2024–2025). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Leader?
Voydar has no matched sanctions record displayed for Leader from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Leader. Missing records do not establish whether the ship has been detained.

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