What kind of ship is YM Milestone?

YM Milestone is a cargo ship sailing under the flag of Liberia, built in 2011 by CSBC Corporation, Taiwan. The vessel is 302.6 m long and has a gross tonnage of 76,787.

What sanctions and inspection records does Voydar hold for YM Milestone?

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

YM Milestone

Cargo ship · Liberia · built 2011 · AIS Class A

IMO9484998MMSI636015182Call signA8ZC9Last AIS position Sep 29, 2026, 17:30 UTC

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In short

YM Milestone (Cargo ship, Liberia flag) was last seen on AIS on Sep 29, 2026, 17:30 UTC, under way at 8.9 kn, in the port of Santos. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is BRIOA (Itapoa); its reported draught is 12 m (voyage report via AISstream.io global terrestrial AIS, received Sep 29, 2026, 16:46 UTC). It arrived there on Sep 28, 2026, 23:12 UTC.

Vessel type: Cargo ship
Flag: Liberia
Year built: 2011
Gross tonnage: 76,787
Size (length × beam): 303 m
Registered owner: —

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Last reported position

received Sep 29, 2026, 17:30 UTC

Position: 24.0173° S, 46.3416° W
Area: South Atlantic Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 8.9 kn
Course: 201°
Heading: 201°

24.0173° S, 46.3416° W

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Last 30 days: 3 port calls (Santos and Rio de Janeiro).

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 Milestone
IMO numberWhat is an IMO number?: 9484998
MMSIWhat is an MMSI?: 636015182
Call signWhat is a call sign?: A8ZC9
Flag: Liberia
Vessel type: Cargo ship
AIS ship type: Cargo (hazardous cat. D)
Gross tonnageGross tonnage vs deadweight: 76,787
Length overall: 302.6 m
Beam: —
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.

Builder: CSBC Corporation, Taiwan
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.

Date	Event	Source
Sep 28, 2026, 23:12 UTC	Arrived at SantosAIS-detected	Voydar port-call detector (AIS geofence)
Sep 28, 2026, 21:01 UTC	Left SantosAIS-detected	Voydar port-call detector (AIS geofence)
Sep 26, 2026, 23:27 UTC	Arrived at SantosAIS-detected	Voydar port-call detector (AIS geofence)
Sep 25, 2026, 15:14 UTC	Left Rio de JaneiroAIS-detected	Voydar port-call detector (AIS geofence)
Sep 23, 2026, 16:02 UTC	Arrived at Rio de JaneiroAIS-detected	Voydar port-call detector (AIS geofence)
May 6, 2020, 07:32 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
May 6, 2020, 00:34 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Mar 25, 2020, 01:03 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Mar 24, 2020, 16:47 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Oct 12, 2019, 12:07 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Oct 12, 2019, 04:57 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
Santos BRSSZ	Sep 28, 2026, 23:12 UTC	in port	—
Santos BRSSZ	Sep 26, 2026, 23:27 UTC	Sep 28, 2026, 21:01 UTC	45 h 33 min
Rio de Janeiro BRRIO	Sep 23, 2026, 16:02 UTC	Sep 25, 2026, 15:14 UTC	47 h 12 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(matched by call sign)	May 6, 2020, 00:34 UTC	MB	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Mar 24, 2020, 16:47 UTC	MB	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Oct 12, 2019, 04:57 UTC	MB	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Aug 31, 2019, 06:45 UTC	MB	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Jul 20, 2019, 06:50 UTC	WL	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Jun 8, 2019, 09:48 UTC	WL	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival(matched by call sign)	Apr 27, 2019, 00:25 UTC	MB	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Mar 24, 2019, 20:43 UTC	KC13	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Feb 9, 2019, 12:48 UTC	KC8	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Dec 29, 2018, 02:22 UTC	MB	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Nov 17, 2018, 12:11 UTC	KC10	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Oct 6, 2018, 02:56 UTC	KC10	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)

Records published by the authority named on each row. Earliest record for this ship: November 14, 2011.

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 25, 2026, 13:48 UTC	Draught change Reported draught went from 13.5 m to 12.3 m while in port at Rio de Janeiro. Voydar infers the ship probably discharged cargo. Method seadar.behaviour.draught_change v1	Medium (65%)

When

What we observed

Confidence

Sep 25, 2026, 13:48 UTC

Draught change

Reported draught went from 13.5 m to 12.3 m while in port at Rio de Janeiro. 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 Milestone now?: YM Milestone (Cargo ship, Liberia flag) was last seen on AIS on Sep 29, 2026, 17:30 UTC, under way at 8.9 kn, in the port of Santos. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was BRIOA (voyage report via AISstream.io global terrestrial AIS, received Sep 29, 2026, 16:46 UTC). This report does not confirm the ship’s current route.
What kind of ship is YM Milestone?: YM Milestone is a cargo ship sailing under the flag of Liberia, built in 2011 by CSBC Corporation, Taiwan. The vessel is 302.6 m long and has a gross tonnage of 76,787.
What sanctions and inspection records does Voydar hold for YM Milestone?: Voydar has no matched sanctions record displayed for YM Milestone 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 YM Milestone. Missing records do not establish whether the ship has been detained.

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