What kind of ship is Leontios H?

Leontios H is an oil tanker sailing under the flag of Greece, built in 2016 by Mangalia Shipyard. The vessel is 250 m long with a beam of 44 m and has a gross tonnage of 62,557.

Who is recorded as the owner or manager of Leontios H?

Tsakos Shipping & Trading S.A. is recorded as ISM manager for Leontios H (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 Leontios H?

Voydar has no matched sanctions record displayed for Leontios H 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 Leontios H. Missing records do not establish whether the ship has been detained.

Leontios H

Oil tanker · Greece · built 2016 · AIS Class A

IMO9724336MMSI241454000Call signSVCL6Last AIS position Oct 3, 2026, 18:54 UTC

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In short

Leontios H (Oil tanker, Greece flag) was last seen on AIS on Oct 3, 2026, 18:54 UTC, under way at 13.1 kn, in the South Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its last detected port call was at Mongstad: arrived Jul 10, 2026, left Jul 10, 2026. ISM manager: Tsakos Shipping & Trading S.A. (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Oil tanker
Flag: Greece
Year built: 2016
Gross tonnage: 62,557
Size (length × beam): 250 m × 44 m
ISM manager: Tsakos Shipping & Trading S.A.

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Last reported position

received Oct 3, 2026, 18:54 UTC

Position: 34.6609° S, 18.0856° E
Area: South Atlantic Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 13.1 kn
Course: 303°
Heading: 304°

34.6609° S, 18.0856° E

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Voydar detected no port call in the last 30 days.

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

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

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Identity & particulars

Name: Leontios H
IMO numberWhat is an IMO number?: 9724336
MMSIWhat is an MMSI?: 241454000
Call signWhat is a call sign?: SVCL6
Flag: Greece
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 62,557
Deadweight (DWT): Source: Wikidata, record Q84254568. Added to Voydar on September 23, 2026. Licence: CC0 1.0.113,611 t
Length overall: 250 m
Beam: 44 m
Year built: 2016

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: Tsakos Shipping & Trading S.A.
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Mangalia Shipyard
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.

Date	Event	Source
Jul 10, 2026, 06:27 UTC	Left MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jul 10, 2026, 01:36 UTC	Arrived at MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jul 10, 2026, 01:07 UTC	Left MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jul 10, 2026, 00:07 UTC	Arrived at MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jul 9, 2026, 23:11 UTC	Left MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jul 9, 2026, 21:58 UTC	Arrived at MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Dec 20, 2016	Reported departure from PhiladelphiaAuthority-reported	USACE foreign traffic vessel entrances & clearances
Dec 20, 2016	Reported arrival at PhiladelphiaAuthority-reported	USACE 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.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2018	12,518 t	3,975 t	115 days	402 kg
2019	12,660 t	4,021 t	112 days	428 kg
2020	12,394 t	3,914 t	117 days	406 kg
2021	16,463 t	5,219 t	170 days	371 kg
2022	8,705 t	2,759 t	84 days	384 kg
2023	18,621 t	5,933 t	194 days	363 kg
2024	15,116 t	4,783 t	130 days	457 kg
2025	11,825 t	3,723 t	115 days	395 kg

Technical efficiency: EEDI (3.1 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

Port	Arrived	Departed	Time in port
Mongstad NOMON	Jul 10, 2026, 01:36 UTC	Jul 10, 2026, 06:27 UTC	4 h 51 min
Mongstad NOMON	Jul 10, 2026, 00:07 UTC	Jul 10, 2026, 01:07 UTC	1 h 1 min
Mongstad NOMON	Jul 9, 2026, 21:58 UTC	Jul 9, 2026, 23:11 UTC	1 h 13 min
Mongstad NOMON	Jul 9, 2026, 18:15 UTC	Jul 9, 2026, 21:39 UTC	3 h 24 min
Mongstad NOMON	Jul 9, 2026, 15:51 UTC	Jul 9, 2026, 18:03 UTC	2 h 12 min
Mongstad NOMON	Jul 9, 2026, 13:17 UTC	Jul 9, 2026, 15:46 UTC	2 h 28 min
Mongstad NOMON	Jul 9, 2026, 07:52 UTC	Jul 9, 2026, 12:30 UTC	4 h 38 min
Mongstad NOMON	Jul 9, 2026, 06:16 UTC	Jul 9, 2026, 06:51 UTC	35 min
Mongstad NOMON	Jul 9, 2026, 05:05 UTC	Jul 9, 2026, 05:56 UTC	51 min
Mongstad NOMON	Jul 8, 2026, 16:12 UTC	Jul 8, 2026, 20:30 UTC	4 h 18 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

Port	Record	Date (UTC)	Berth	Source
Philadelphia USPHL	Departure	Dec 20, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Philadelphia USPHL	Arrival	Dec 20, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: December 20, 2016.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

Frequently asked questions

Where is Leontios H now?: Leontios H (Oil tanker, Greece flag) was last seen on AIS on Oct 3, 2026, 18:54 UTC, under way at 13.1 kn, in the South Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is Leontios H?: Leontios H is an oil tanker sailing under the flag of Greece, built in 2016 by Mangalia Shipyard. The vessel is 250 m long with a beam of 44 m and has a gross tonnage of 62,557.
Who is recorded as the owner or manager of Leontios H?: Tsakos Shipping & Trading S.A. is recorded as ISM manager for Leontios H (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 Leontios H?: Voydar has no matched sanctions record displayed for Leontios H 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 Leontios H. Missing records do not establish whether the ship has been detained.

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