Where is CORYSTES now?

CORYSTES (Research vessel, United Kingdom flag) was last seen on AIS on Oct 1, 2026, 19:33 UTC, moored, near Belfast (Irish Sea). The crew-entered destination was SURVEY (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 19:10 UTC). This report does not confirm the ship’s current route.

What kind of ship is CORYSTES?

CORYSTES is a research vessel sailing under the flag of United Kingdom, built in 1988 by Ailsa Shipbuilding Company. The vessel is 53.3 m long with a beam of 12.8 m and has a gross tonnage of 284.

What sanctions and inspection records does Seadar hold for CORYSTES?

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

CORYSTES

Research vessel · United Kingdom · built 1988 · AIS Class A

IMO8501517MMSI233558000Call signGHRULast AIS position Oct 1, 2026, 19:33 UTC

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In short

CORYSTES (Research vessel, United Kingdom flag) was last seen on AIS on Oct 1, 2026, 19:33 UTC, moored, near Belfast (Irish Sea). Its crew-entered AIS destination is SURVEY; its reported draught is 5.2 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 19:10 UTC).

Current voyage: from Bar Light (departed Sep 29, 2026, 08:03 UTC) to SURVEY

Vessel type: Research vessel
Flag: United Kingdom
Year built: 1988
Gross tonnage: 284
Size (length × beam): 53 m × 13 m
Registered owner: —

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Photo of CORYSTES — Photo: Ross · Licence: CC BY-SA 2.0 · via Wikimedia Commons

Last reported position

received Oct 1, 2026, 19:33 UTC

Position: 54.6123° N, 5.9189° W
Area: Irish Sea
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 204°
Heading: 197°

54.6123° N, 5.9189° W

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Last 30 days: 1 port call (Bar Light).

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

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Identity & particulars

Name: CORYSTES
IMO numberWhat is an IMO number?: 8501517
MMSIWhat is an MMSI?: 233558000
Call signWhat is a call sign?: GHRU
Flag: United Kingdom
Vessel type: Detailed type from WikidataResearch vessel
AIS ship type: Other
Gross tonnageGross tonnage vs deadweight: 284
Length overall: 53.3 m
Beam: 12.8 m
Year built: 1988

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.

Operator: Centre for Environment, Fisheries and Aquaculture Science
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Builder: Ailsa Shipbuilding Company
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

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

Date	Event	Source
Sep 29, 2026, 08:03 UTC	Left Bar LightAIS-detected	Seadar port-call detector (AIS geofence)
Sep 29, 2026, 06:23 UTC	Arrived at Bar LightAIS-detected	Seadar port-call detector (AIS geofence)

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.

Port calls

Two kinds of evidence, kept apart: calls Seadar 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
Bar Light GBRLG	Sep 29, 2026, 06:23 UTC	Sep 29, 2026, 08:03 UTC	1 h 40 min

Detected by Seadar 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.

About CORYSTES

RV Corystes is an ocean-going, research vessel operating around Northern Ireland. She is equipped with specialist fishing gear and acoustic techniques for surveys of fish stocks.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is CORYSTES now?: CORYSTES (Research vessel, United Kingdom flag) was last seen on AIS on Oct 1, 2026, 19:33 UTC, moored, near Belfast (Irish Sea). The crew-entered destination was SURVEY (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 19:10 UTC). This report does not confirm the ship’s current route.
What kind of ship is CORYSTES?: CORYSTES is a research vessel sailing under the flag of United Kingdom, built in 1988 by Ailsa Shipbuilding Company. The vessel is 53.3 m long with a beam of 12.8 m and has a gross tonnage of 284.
What sanctions and inspection records does Seadar hold for CORYSTES?: Seadar has no matched sanctions record displayed for CORYSTES 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 CORYSTES. Missing records do not establish whether the ship has been detained.

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