HTM DEFENDER
Oil tanker · Gibraltar · built 2008 · AIS Class A
In short
HTM DEFENDER (Oil tanker, Gibraltar flag) was last seen on AIS on , moored, near Perama (Mediterranean Sea). Its crew-entered AIS destination is PIRAEUS; its reported draught is 5.5 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 23:37 UTC). ISM manager: Optra Shipping Ltd (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).
- Vessel type
- Oil tanker
- Flag
- Gibraltar
- Year built
- 2008
- Gross tonnage
- 38,899
- Size (length × beam)
- 228 m
- ISM manager
- Optra Shipping Ltd
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Last reported position
received- Position
- 38.0047° N, 23.5918° E
- Area
- Mediterranean Sea
- StatusWhat do AIS statuses mean?
- Moored
- Speed
- 0 kn
- Course
- 295°
- Heading
- —
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)
Try the live demo, no sign-upIdentity & particulars
- Name
- HTM DEFENDER
- IMO numberWhat is an IMO number?
- 9346445
- MMSIWhat is an MMSI?
- 236747000
- Call signWhat is a call sign?
- ZDSQ2
- Flag
- Gibraltar
- AIS ship type
- Tanker
- Gross tonnageGross tonnage vs deadweight
- 38,899
- Length overall
- 228 m
- Beam
- —
- Year built
- 2008
GibraltarA 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, 2026Source: EU MRV (THETIS-MRV) emissions · reporting year 2024 · reported · confidence 0.9 · retrieved Sep 28, 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 |
|---|---|---|
| ISM manager: Optra Shipping Ltd (previously SPARROW SHIPPING LIMITED) | Voydar relationship-change derivation (derived by Voydar from EU MRV (THETIS-MRV) emissions) | |
| Reported departure from HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reported | USACE foreign traffic vessel entrances & clearances | |
| Reported departure from HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reported | USACE foreign traffic vessel entrances & clearances | |
| Reported arrival at HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-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 | 3,842 t | 1,222 t | 27 days | 503 kg |
| 2019 | 10,212 t | 3,251 t | 87 days | 488 kg |
| 2020 | 2,185 t | 689 t | 16 days | 574 kg |
| 2022 | 9,087 t | 2,834 t | 72 days | 486 kg |
| 2024 | 9,743 t | 3,101 t | 53 days | 408 kg |
| 2025 | 11,940 t | 3,778 t | 94 days | 602 kg |
Technical efficiency: EEXI (4.41 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.
Reported by authorities Authority-reported
| Port | Record | Date (UTC) | Berth | Source |
|---|---|---|---|---|
| HOUSTON SHIP CHANNEL, TX (HOUSTON, TX) | Departure | Nov 16, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| HOUSTON SHIP CHANNEL, TX (HOUSTON, TX) | Departure | Nov 9, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| HOUSTON SHIP CHANNEL, TX (HOUSTON, TX) | Arrival | Nov 9, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| PORT HESS ST. CROIX ISLAND, VI | Arrival | Sep 28, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| PORT HESS ST. CROIX ISLAND, VI | Departure | Sep 28, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Wilmington USILG | Departure | Sep 20, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Wilmington USILG | Arrival | Sep 18, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| New York USNYC | Departure | Sep 15, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| New York USNYC | Arrival | Sep 14, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| HOUSTON SHIP CHANNEL, TX (HOUSTON, TX) | Departure | Jun 24, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| HOUSTON SHIP CHANNEL, TX (HOUSTON, TX) | Arrival | Jun 18, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| PORT OF SOUTH LOUISIANA (LA) | Departure | Jun 16, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
Records published by the authority named on each row. Earliest record for this ship: October 4, 2008.
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 HTM DEFENDER now?
- HTM DEFENDER (Oil tanker, Gibraltar flag) was last seen on AIS on Oct 1, 2026, 23:45 UTC, moored, near Perama (Mediterranean Sea). The crew-entered destination was PIRAEUS (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 23:37 UTC). This report does not confirm the ship’s current route.
- What kind of ship is HTM DEFENDER?
- HTM DEFENDER is an oil tanker sailing under the flag of Gibraltar, built in 2008. The vessel is 228 m long and has a gross tonnage of 38,899.
- Who is recorded as the owner or manager of HTM DEFENDER?
- Optra Shipping Ltd is recorded as ISM manager for HTM DEFENDER (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 HTM DEFENDER?
- Voydar has no matched sanctions record displayed for HTM DEFENDER from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for HTM DEFENDER. Missing records do not establish whether the ship has been detained.
Neighbouring IMO numbers
IMO numbers are issued in sequence. These are the nearest numbers below and above this ship's that have a full Voydar profile.
Use this data
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