What kind of ship is MONJASA TUNER?

MONJASA TUNER is a chemical tanker sailing under the flag of Liberia, built in 2011. The vessel is 145.2 m long with a beam of 23 m and has a gross tonnage of 11,298.

What sanctions and inspection records does Voydar hold for MONJASA TUNER?

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

MONJASA TUNER

Chemical tanker · Liberia · built 2011 · AIS Class A

IMO9439864MMSI636026757Call signA8SS3Last AIS position Sep 23, 2026, 15:03 UTC

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In short

MONJASA TUNER (Chemical tanker, Liberia flag) was last seen on AIS on Sep 23, 2026, 15:03 UTC, under way at 11.2 kn, in the North 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 Mongstadbase: arrived Aug 20, 2026, left Aug 21, 2026. ISM manager: CHANGI PARK SHIPPING CO PTE LTD. (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Chemical tanker
Flag: Liberia
Year built: 2011
Gross tonnage: 11,298
Size (length × beam): 145 m × 23 m
ISM manager: CHANGI PARK SHIPPING CO PTE LTD.

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Last reported position

received Sep 23, 2026, 15:03 UTC

Position: 21.2694° N, 17.9604° W
Area: North Atlantic Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 11.2 kn
Course: 189°
Heading: 188°

21.2694° N, 17.9604° W

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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.

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Identity & particulars

Name: MONJASA TUNER
IMO numberWhat is an IMO number?: 9439864
MMSIWhat is an MMSI?: 636026757
Call signWhat is a call sign?: A8SS3
Flag: Liberia
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 11,298
Deadweight (DWT): Source: Wikidata, record Q86061444. Added to Voydar on September 23, 2026. Licence: CC0 1.0.16,427 t
Length overall: 145.2 m
Beam: 23 m
Year built: 2011

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: CHANGI PARK SHIPPING CO PTE LTD.
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Oct 5, 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
Aug 21, 2026, 20:12 UTC	Left MongstadbaseAIS-detected	Voydar port-call detector (AIS geofence)
Aug 20, 2026, 21:46 UTC	Arrived at MongstadbaseAIS-detected	Voydar port-call detector (AIS geofence)
Jun 23, 2026, 10:27 UTC	Left MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 22, 2026, 09:16 UTC	Arrived at MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 22, 2026, 09:16 UTC	Left MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 22, 2026, 08:19 UTC	Arrived at MongstadAIS-detected	Voydar port-call detector (AIS geofence)
Sep 28, 2013	Reported departure from HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reported	USACE foreign traffic vessel entrances & clearances
Sep 23, 2013	Reported arrival at HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reported	USACE foreign traffic vessel entrances & clearances
Sep 9, 2013	Reported arrival at BeaumontAuthority-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
2020	7,415 t	2,326 t	113 days	265 kg
2021	6,143 t	1,927 t	118 days	222 kg
2022	8,327 t	2,625 t	165 days	225 kg
2023	6,448 t	2,024 t	121 days	232 kg
2024	6,267 t	1,967 t	110 days	224 kg
2025	5,857 t	1,831 t	116 days	217 kg

Technical efficiency: EEXI (8.71 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
Mongstadbase NOMOB	Aug 20, 2026, 21:46 UTC	Aug 21, 2026, 20:12 UTC	22 h 26 min
Mongstad NOMON	Jun 22, 2026, 09:16 UTC	Jun 23, 2026, 10:27 UTC	25 h 12 min
Mongstad NOMON	Jun 22, 2026, 08:19 UTC	Jun 22, 2026, 09:16 UTC	57 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
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Sep 28, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Sep 23, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Beaumont USBPT	Arrival	Sep 9, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Beaumont USBPT	Departure	Sep 9, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Departure	Aug 16, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Arrival	Aug 15, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Wilmington USILM	Departure	Aug 13, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Wilmington USILM	Arrival	Aug 13, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Baton Rouge USBTR	Departure	Nov 10, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Baton Rouge USBTR	Arrival	Nov 10, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: November 10, 2012.

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 MONJASA TUNER now?: MONJASA TUNER (Chemical tanker, Liberia flag) was last seen on AIS on Sep 23, 2026, 15:03 UTC, under way at 11.2 kn, in the North 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 MONJASA TUNER?: MONJASA TUNER is a chemical tanker sailing under the flag of Liberia, built in 2011. The vessel is 145.2 m long with a beam of 23 m and has a gross tonnage of 11,298.
Who is recorded as the owner or manager of MONJASA TUNER?: CHANGI PARK SHIPPING CO PTE LTD. is recorded as ISM manager for MONJASA TUNER (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 MONJASA TUNER?: Voydar has no matched sanctions record displayed for MONJASA TUNER 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 MONJASA TUNER. Missing records do not establish whether the ship has been detained.

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