Skip to content

Prelude

Chemical tanker · Singapore · built 2020 · AIS Class A

IMO9810654MMSI563335100Call signS6TS6Last AIS position Oct 2, 2026, 00:53 UTC

In short

Prelude (Chemical tanker, Singapore flag) was last seen on AIS on , at anchor, near Tahkoluoto (Baltic Sea). Its crew-entered AIS destination is FI POR (Bjorneborg (Pori)); its reported draught is 7.2 m (voyage report via Digitraffic marine AIS, received Oct 2, 2026, 00:35 UTC).

Current voyage: from Kallo (departed Sep 17, 2026, 03:18 UTC) to FI POR (Bjorneborg (Pori))

Vessel type
Chemical tanker
Year built
2020
Gross tonnage
21,326
Size (length × beam)
180 m × 27 m
Registered owner
—

Watch this ship

Get an email when Prelude arrives or leaves port, changes destination, name, flag or owner, or is sanctioned, detained or named in an official release.

We email you a link and a code. That creates a free account, no password or card, and follows Prelude.

Free account, no card: follow up to 5 ships and ports. Plus follows 50, Pro 500.

By continuing you accept the Terms and the Privacy policy.

Last reported position

received
Position
61.5927° N, 21.268° E
Area
Baltic Sea
Speed
0.5 kn
Course
76°
Heading
166°
61.5927° N, 21.268° E
Open the full live map →

Last 30 days: 2 port calls (Kallo and Lillo).

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-up

Identity & particulars

Name
Prelude
IMO numberWhat is an IMO number?
9810654
MMSIWhat is an MMSI?
563335100
Call signWhat is a call sign?
S6TS6
AIS ship type
Tanker
Gross tonnageGross tonnage vs deadweight
21,326
Length overall
180 m
Beam
27 m
Year built
2020

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.

Builder
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.

DateEventSource
Left KalloAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at KalloAIS-detectedVoydar port-call detector (AIS geofence)
Left LilloAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at LilloAIS-detectedVoydar 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.

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

YearCO₂ emittedFuel burnedTime at seaCO₂ / n mile
20222,939 t938 t43 days218 kg
20231,584 t504 t25 days228 kg

Technical efficiency: EEDI (5.05 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

PortArrivedDepartedTime in port
Kallo BEKOUSep 17, 2026, 01:35 UTCSep 17, 2026, 03:18 UTC1 h 43 min
Lillo BELILSep 13, 2026, 01:14 UTCSep 17, 2026, 01:30 UTC4 d 0 h

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.

Frequently asked questions

Where is Prelude now?
Prelude (Chemical tanker, Singapore flag) was last seen on AIS on Oct 2, 2026, 00:53 UTC, at anchor, near Tahkoluoto (Baltic Sea). The crew-entered destination was FI POR (voyage report via Digitraffic marine AIS, received Oct 2, 2026, 00:35 UTC). This report does not confirm the ship’s current route.
What kind of ship is Prelude?
Prelude is a chemical tanker sailing under the flag of Singapore, built in 2020 by Shin Kurushima Dockyard. The vessel is 180 m long with a beam of 27 m and has a gross tonnage of 21,326.
What sanctions and inspection records does Voydar hold for Prelude?
Voydar has no matched sanctions record displayed for Prelude 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 Prelude. Missing records do not establish whether the ship has been detained.

Use this data

This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.

GET /api/v1/vessels/9810654
View JSONAPI documentationFree without a key for occasional use; use an API key for more.

Using this data in code?

Every account gets a personal API allowance: 2,500 credits a month free, 25,000 with Pro. Pro adds internal business use; API plans add building the data into your own products.

See plans