What kind of ship is Ym Instruction?

Ym Instruction is a cargo ship sailing under the flag of Liberia, built in 2007. The vessel is 172.7 m long with a beam of 27.3 m and has a gross tonnage of 16,488.

What sanctions and inspection records does Voydar hold for Ym Instruction?

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

Ym Instruction

Cargo ship · Liberia · built 2007 · AIS Class A

IMO9331086MMSI636013118Call signA8KS6Last AIS position Sep 28, 2026, 02:37 UTC

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In short

Ym Instruction (Cargo ship, Liberia flag) was last seen on AIS on Sep 28, 2026, 02:37 UTC, under way at 12.2 kn, near Pulau Sambu, Riau (Strait of Malacca). 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 Jurong: arrived Sep 23, 2026, left Sep 24, 2026.

Vessel type: Cargo ship
Flag: Liberia
Year built: 2007
Gross tonnage: 16,488
Size (length × beam): 173 m × 27 m
Registered owner: —

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Last reported position

received Sep 28, 2026, 02:37 UTC

Position: 1.2031° N, 103.8971° E
Area: Strait of Malacca
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 12.2 kn
Course: 62°
Heading: 62°

1.2031° N, 103.8971° E

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Last 30 days: 1 port call (Jurong).

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: Ym Instruction
IMO numberWhat is an IMO number?: 9331086
MMSIWhat is an MMSI?: 636013118
Call signWhat is a call sign?: A8KS6
Flag: Liberia
Vessel type: Cargo ship
AIS ship type: Cargo (hazardous cat. C)
Gross tonnageGross tonnage vs deadweight: 16,488
Deadweight (DWT): Source: Wikidata, record Q105764749. Added to Voydar on September 23, 2026. Licence: CC0 1.0.22,033 t
Length overall: 172.7 m
Beam: 27.3 m
Year built: 2007

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.

No owner, operator or manager is recorded for this vessel yet.

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
Sep 24, 2026, 17:14 UTC	Left JurongAIS-detected	Voydar port-call detector (AIS geofence)
Sep 23, 2026, 22:01 UTC	Arrived at JurongAIS-detected	Voydar port-call detector (AIS geofence)
Sep 11, 2026, 21:52 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Sep 11, 2026, 02:09 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Sep 6, 2026, 10:55 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Sep 6, 2026, 03:57 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Aug 15, 2026, 00:56 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Aug 14, 2026, 07:06 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)

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 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
Jurong SGJUR	Sep 23, 2026, 22:01 UTC	Sep 24, 2026, 17:14 UTC	19 h 13 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
Hong Kong HKHKG	Arrival	Sep 11, 2026, 02:09 UTC	KWAICHUNG CONTR. BERTH NO. 12 (TERMINAL 8)	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Sep 6, 2026, 03:57 UTC	KWAICHUNG CONTR. BERTH NO.18 (TERMINAL9)	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Aug 14, 2026, 07:06 UTC	KWAICHUNG CONTR. BERTH NO. 6 (TERMINAL 4)	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Aug 8, 2026, 11:16 UTC	KWAICHUNG CONTR. BERTH NO.20 (TERMINAL 9)	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Jul 18, 2026, 08:02 UTC	KC8	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Jul 9, 2026, 04:34 UTC	KC1	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Jun 15, 2026, 23:36 UTC	KC14	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Jun 8, 2026, 23:39 UTC	KWAICHUNG CONTR. BERTH NO.17 (TERMINAL 9)	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	May 18, 2026, 13:25 UTC	KC12	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	May 12, 2026, 04:31 UTC	KC18	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Apr 21, 2026, 08:07 UTC	KC11	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Apr 16, 2026, 05:03 UTC	KC17	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)

Records published by the authority named on each row. Earliest record for this ship: May 27, 2007.

Source: Marine Department, HKSAR Government — DATA.GOV.HK. Licence: DATA.GOV.HK Terms and Conditions.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

When	What we observed	Confidence
Sep 24, 2026, 17:07 UTC	Draught change Reported draught went from 9.3 m to 8.3 m while in port at Jurong. Voydar infers the ship probably discharged cargo. Method seadar.behaviour.draught_change v1	Medium (65%)

When

What we observed

Confidence

Sep 24, 2026, 17:07 UTC

Draught change

Reported draught went from 9.3 m to 8.3 m while in port at Jurong. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

Medium (65%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is Ym Instruction now?: Ym Instruction (Cargo ship, Liberia flag) was last seen on AIS on Sep 28, 2026, 02:37 UTC, under way at 12.2 kn, near Pulau Sambu, Riau (Strait of Malacca). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is Ym Instruction?: Ym Instruction is a cargo ship sailing under the flag of Liberia, built in 2007. The vessel is 172.7 m long with a beam of 27.3 m and has a gross tonnage of 16,488.
What sanctions and inspection records does Voydar hold for Ym Instruction?: Voydar has no matched sanctions record displayed for Ym Instruction 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 Ym Instruction. Missing records do not establish whether the ship has been detained.

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