What kind of ship is Unison Jasper?

Unison Jasper is a bulk carrier sailing under the flag of Liberia, built in 2019 by Oshima Shipbuilding. The vessel is 179.9 m long with a beam of 30 m and has a gross tonnage of 22,623.

Who is recorded as the owner or manager of Unison Jasper?

Unison Marine Corp is recorded as ISM manager for Unison Jasper (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 Seadar hold for Unison Jasper?

Seadar has no matched sanctions record displayed for Unison Jasper 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 Unison Jasper. Missing records do not establish whether the ship has been detained.

Unison Jasper

Bulk carrier · Liberia · built 2019 · AIS Class A

IMO9838436MMSI636026489Call signA8WX5Last AIS position Aug 31, 2026, 19:15 UTC

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In short

Unison Jasper (Bulk carrier, Liberia flag) was last seen on AIS on Aug 31, 2026, 19:15 UTC, under way at 11.6 kn, in the North Pacific Ocean. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: Unison Marine Corp (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Bulk carrier
Flag: Liberia
Year built: 2019
Gross tonnage: 22,623
Size (length × beam): 180 m × 30 m
ISM manager: Unison Marine Corp

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Last reported position

received Aug 31, 2026, 19:15 UTC

Position: 48.2863° N, 123.8599° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 11.6 kn
Course: 281°
Heading: 280°

48.2863° N, 123.8599° W

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Seadar detected no port call in the last 30 days.

Port calls are detected by Seadar 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: Unison Jasper
IMO numberWhat is an IMO number?: 9838436
MMSIWhat is an MMSI?: 636026489
Call signWhat is a call sign?: A8WX5
Flag: Liberia
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsBulk carrier
AIS ship type: Cargo
Gross tonnageGross tonnage vs deadweight: 22,623
Deadweight (DWT): Source: Wikidata, record Q104379629. Added to Seadar on September 23, 2026. Licence: CC0 1.0.37,296 t
Length overall: 179.9 m
Beam: 30 m
Year built: 2019

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: Unison Marine Corp
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Oshima Shipbuilding
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

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
2021	2,552 t	808 t	42 days	220 kg
2022	3,489 t	1,116 t	56 days	213 kg
2024	5,233 t	1,663 t	102 days	177 kg
2025	0 t	0 t	0 days	—

Technical efficiency: EEDI (4.95 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

Frequently asked questions

Where is Unison Jasper now?: Unison Jasper (Bulk carrier, Liberia flag) was last seen on AIS on Aug 31, 2026, 19:15 UTC, under way at 11.6 kn, in the North Pacific Ocean. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is Unison Jasper?: Unison Jasper is a bulk carrier sailing under the flag of Liberia, built in 2019 by Oshima Shipbuilding. The vessel is 179.9 m long with a beam of 30 m and has a gross tonnage of 22,623.
Who is recorded as the owner or manager of Unison Jasper?: Unison Marine Corp is recorded as ISM manager for Unison Jasper (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 Seadar hold for Unison Jasper?: Seadar has no matched sanctions record displayed for Unison Jasper 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 Unison Jasper. Missing records do not establish whether the ship has been detained.

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