IMO 9424651
The vessel MANTA was selected as Vessel Spotlight due to its ranking of #30 among 2,922 monitored vessels and its notable metrics over the past 90 days, which included 10 STS proximity events, 7 AIS gaps, 182 loitering events, and 304 zone dwell events. The top operating zones included discovered_020, discovered_018, the Black Sea Sanctioned Vessel Monitoring Zone, the Western Black Sea Surveillance Zone, and the Danish Straits/Skagerrak. The vessel was detected in the vicinity of terminal zones, but no direct terminal visits were recorded during this period. These observations are based on AIS-derived behavioral indicators.
Vessel information
Movement & AIS Track
The vessel MANTA was detected in the discovered_020 zone most frequently, with a total of 289 events, including 159 zone dwell events and 129 loiter events. It was also detected in the vicinity of the discovered_018 zone (45 events) and the Black Sea Sanctioned Vessel Monitoring Zone (42 events), among others. No direct terminal visits were recorded during this period, and there were no terminal zone detections.
| Zone | Events | Types | First Seen | Last Seen |
|---|---|---|---|---|
| discovered_020 | 289 | zone_dwell: 159, loiter: 129, sts: 1 | Jun 1, 2026 | Jun 21, 2026 |
| discovered_018 | 45 | zone_dwell: 29, loiter: 15, ais_gap: 1 | May 18, 2026 | May 31, 2026 |
| Black Sea Sanctioned Vessel Monitoring Zone | 42 | zone_dwell: 23, loiter: 19 | May 6, 2026 | Jul 2, 2026 |
| Western Black Sea Surveillance Zone | 39 | zone_dwell: 20, loiter: 19 | Jul 1, 2026 | Jul 2, 2026 |
| Danish Straits/Skagerrak | 27 | zone_dwell: 27 | Feb 13, 2026 | May 6, 2026 |
| Baltic Exit/Tallinn Approach | 22 | zone_dwell: 22 | Feb 15, 2026 | May 3, 2026 |
| Archipelago Sea Sanction Zone | 18 | zone_dwell: 18 | Feb 15, 2026 | May 8, 2026 |
| Brittany Coast Surveillance Zone | 11 | zone_dwell: 11 | Feb 11, 2026 | Feb 26, 2026 |
| Gulf of Finland Central | 11 | zone_dwell: 6, loiter: 5 | Feb 16, 2026 | Feb 16, 2026 |
| Primorsk Terminal | 11 | zone_dwell: 6, loiter: 5 | Feb 16, 2026 | Feb 16, 2026 |
| Eastern Mediterranean Surveillance Zone | 9 | sts: 9 | Jun 2, 2026 | Jun 2, 2026 |
| Alboran Sea Surveillance Zone | 9 | zone_dwell: 9 | Feb 13, 2026 | Mar 31, 2026 |
| Atlantic Midway Monitoring Zone | 8 | zone_dwell: 8 | Mar 31, 2026 | May 6, 2026 |
| Unknown Maritime Surveillance Zone | 7 | zone_dwell: 7 | May 8, 2026 | May 8, 2026 |
| Northwest Iberian Sea Monitoring Zone | 6 | zone_dwell: 6 | May 5, 2026 | May 5, 2026 |
STS Proximity Partners
The vessel MANTA recorded a total of 10 STS proximity detections involving 10 distinct partner vessels. The most frequently detected partners included MARBLE, NISSOS ANTIMILOS, DORIN, and THALIA, with each detected once. None of the partner vessels were identified as sanctioned.
Ownership & Management
VALTRYS SEALANES LTD is a Hong Kong-based commercial ship manager linked to the export of Russian crude oil during the G7/EU oil embargo. The company manages the tanker 'MANTA', which is flagged as part of Russia's shadow fleet and employs deceptive, high-risk practices such as disabling AIS and conducting dark activities.
⚠ Red Flags
- Company manages a vessel (MANTA) flagged as part of Russia's shadow fleet
- Vessel involved in export of Russian crude oil during G7/EU embargo and price cap violation
- Vessel employs deceptive practices: disabling AIS, dark activities, STS transmissions with sanctioned tankers
- Registered under a shared industrial center address common to shell companies
- Linked to OpenSanctions as a sanction-linked entity and person of interest
Maritime Mavens LLC is an Azerbaijan-based ship owner and manager that manages a fleet of 3 tanker vessels, primarily involved in the transport of Russian crude oil and petroleum products. The company is identified as a person of interest linked to sponsors and accomplices of Russian armed aggression against Ukraine due to its management of vessels engaging in deceptive, high-risk practices during the G7 and EU oil embargo.
⚠ Red Flags
- Company identified as a person of interest linked to Russian armed aggression against Ukraine
- Manages vessels involved in exporting Russian crude oil during G7/EU embargo
- Vessels engage in AIS disabling and dark activities with Russian affiliations near European countries
- Vessels conduct STS transmissions with sanctioned tankers near Russian ports
Name, Flag & Ownership History
- Aug 1, 2023MANTA
- Apr 1, 2019Di Matteo
- Oct 1, 2009High Strength
- Jun 1, 2025🇸🇱 Sierra leone
- May 1, 2025🇻🇺 Vanuatu
- Sep 1, 2023🏳️ Palau (Republic of)
- Aug 1, 2023🇱🇷 Liberia
- Oct 1, 2022🇸🇬 Singapore
- Oct 1, 2022🇱🇷 Liberia
- Apr 1, 2019🇸🇬 Singapore
- Oct 1, 2009🇵🇦 Panama
| Date | Company | Role |
|---|---|---|
| Jan 25, 2026 | VALTRYS SEALANES LTD | Registered owner |
| Jan 25, 2026 | VALTRYS SEALANES LTD | Ship manager/Commercial manager |
| Sep 10, 2024 | MARITIME MAVENS LLC | ISM Manager |
| Sep 4, 2023 | SOFT BREEZE NAVIGATION CORP | Registered owner |
| Sep 4, 2023 | SOFT BREEZE NAVIGATION CORP | Ship manager/Commercial manager |
| Sep 4, 2023 | BPC SHIPMANAGEMENT SRL | ISM Manager |
| Oct 21, 2022 | MINSHENG YANGJI TIANJIN SHPG | Registered owner |
| Apr 3, 2019 | ROBERTO 16 PTE LTD | Registered owner |
| Oct 9, 2018 | D'AMICO TANKERS DAC | Ship manager/Commercial manager |
| Oct 30, 2009 | GLENDA INTERNATIONAL MANAGMENT | Ship manager/Commercial manager |
| — | D'AMICO TANKERS DAC | Ship manager/Commercial manager |
| Jun 19, 2009 | ISHIMA PTE LTD | ISM Manager |
Media Mentions
- MANTA - OpenSanctionsOpenSanctions
- Shadow Fleet - War & SanctionsWar & Sanctions (gur.gov.ua)
Classification & Safety
Disclaimer
This vessel profile is compiled from publicly available information sources including maritime databases, government sanctions lists, and AIS position data. Information may be incomplete, delayed, or contain inaccuracies.
This content is for informational purposes only and does not constitute legal, financial, or compliance advice. FleetLeaks makes no warranties regarding the accuracy or completeness of the information presented. Users should independently verify all information before making decisions.
Data Scope & Currency
This dossier reflects automated analysis of publicly available data sources as of July 2, 2026 (UTC). FleetLeaks does not assert intent or wrongdoing. Observations are derived from AIS behavioral signals, registry records, and other open sources, each subject to inherent latency and reporting limitations.
Data Refresh
This dossier can be re-generated using the same automated pipeline with the most current available data. A refresh re-executes the standard selection, enrichment, and analysis process and does not alter methodology or thresholds. To request a refreshed version of this dossier, please contact us. A nominal fee may apply to cover compute and data access costs.
Generated: 2026-07-02T10:00:59.873211Z