IMO 9322384
The vessel IONIAN SEA was selected as Vessel Spotlight due to its ranking of #16 among 3,438 monitored vessels and its notable metrics over the past 90 days, which included 14 STS proximity events, 6 AIS gaps, 177 loitering events, and 342 zone dwell events. The top operating zones included the Southern Black Sea Sanctioned Vessel Zone, Baltic Exit/Tallinn Approach, and Northern Baltic Sea Surveillance Zone, among others. The vessel was detected in the vicinity of terminal zones, but no direct terminal visits were recorded during this period. These metrics are based on AIS-derived behavioral indicators.
Vessel information
Movement & AIS Track
The vessel IONIAN SEA was detected in the Southern Black Sea Sanctioned Vessel Zone most frequently, with 274 events recorded, including 168 zone dwell events, 94 loiter events, and 12 STS proximity detections. It was also detected in the Baltic Exit/Tallinn Approach with 153 events, primarily consisting of zone dwell and loiter events. The vessel was detected in the vicinity of multiple zones, though no direct terminal visits were recorded during this period.
| Zone | Events | Types | First Seen | Last Seen |
|---|---|---|---|---|
| Southern Black Sea Sanctioned Vessel Zone | 274 | zone_dwell: 168, loiter: 94, sts: 12 | Jun 7, 2026 | Jun 15, 2026 |
| Baltic Exit/Tallinn Approach | 153 | zone_dwell: 77, loiter: 76 | Sep 26, 2026 | Sep 30, 2026 |
| Northern Baltic Sea Surveillance Zone | 137 | zone_dwell: 62, loiter: 51, sts: 23, ais_gap: 1 | Sep 7, 2026 | Sep 11, 2026 |
| discovered_020 | 83 | zone_dwell: 44, loiter: 31, sts: 8 | Jun 15, 2026 | Jun 18, 2026 |
| Bosphorus/Dardanelles Approach | 71 | zone_dwell: 43, loiter: 28 | Aug 17, 2026 | Sep 4, 2026 |
| Black Sea Sanctioned Vessel Monitoring Zone | 32 | zone_dwell: 19, loiter: 13 | Sep 3, 2026 | Sep 4, 2026 |
| Eastern Mediterranean Surveillance Zone | 29 | sts: 27, zone_dwell: 2 | Jun 9, 2026 | Jun 17, 2026 |
| Istanbul Black Sea Surveillance Zone | 22 | zone_dwell: 13, loiter: 9 | Aug 17, 2026 | Aug 18, 2026 |
| Danish Straits/Skagerrak | 15 | zone_dwell: 15 | May 22, 2026 | Sep 24, 2026 |
| Gulf of Cádiz Sanctions Monitoring Zone | 15 | zone_dwell: 14, ais_gap: 1 | May 23, 2026 | Sep 18, 2026 |
| Southern Öresund Surveillance Zone | 8 | zone_dwell: 7, ais_gap: 1 | May 21, 2026 | Sep 23, 2026 |
| Black Sea Sanctioned Vessel Monitoring Zone | 8 | zone_dwell: 8 | May 22, 2026 | Sep 3, 2026 |
| Central Atlantic Monitoring Zone | 7 | zone_dwell: 7 | Sep 21, 2026 | Sep 22, 2026 |
| Unknown Maritime Surveillance Zone | 7 | zone_dwell: 7 | May 24, 2026 | May 24, 2026 |
| Northern Sea of Japan Surveillance Zone | 6 | zone_dwell: 6 | Sep 22, 2026 | Sep 22, 2026 |
STS Proximity Partners
The vessel IONIAN SEA recorded 14 STS proximity detections involving 26 distinct partner vessels. The most frequently detected partners were the IONIAN SEA itself, with 23 events, and E PIONEER, with 12 events. None of the partner vessels were identified as sanctioned.
Ownership & Management
SEAWISE HORIZON SHIPPING SA is a Greece-based maritime company recorded as the registered owner of the tanker IONIAN SEA. Public maritime directory data shows it operates as a single-vessel shipping entity with Swiss Carriers SA handling commercial and ISM management for the vessel.
⚠ Red Flags
- Care-of address shared with Swiss Carriers SA
- Single-vessel structure
- No public beneficial ownership identified in the available records
SWISS CARRIERS SA is a Greek ship management company based in Athens that provides commercial and ISM management services. Available maritime databases associate it with managing a fleet of tanker and bulk carrier vessels, with the exact fleet count varying by source.
⚠ Red Flags
- Fleet size differs across sources (5, 12, and 13 vessels reported)
- Address appears to be shared by multiple maritime entities
- Commercial/ISM manager for a vessel owned by a separate registered owner
Name, Flag & Ownership History
- Sep 1, 2025IONIAN SEA
- Mar 1, 2005San Fernando
- Sep 1, 2025🇱🇷 Liberia
- Mar 1, 2010🏳️ Isle of Man
- Mar 1, 2005🇵🇦 Panama
| Date | Company | Role |
|---|---|---|
| Sep 18, 2025 | SWISS CARRIERS SA | ISM Manager |
| Sep 15, 2025 | SWISS CARRIERS SA | Ship manager/Commercial manager |
| Sep 15, 2025 | SEAWISE HORIZON SHIPPING SA | Registered owner |
| Apr 1, 2020 | MOL TANKSHIP MANAGEMENT PTE | ISM Manager |
| Mar 31, 2011 | LEOPARD TANKERS SA | Registered owner |
| Jan 1, 2010 | KIWI SHIPPING SA | Registered owner |
| Mar 3, 2005 | MITSUI OSK LINES LTD | Ship manager/Commercial manager |
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 September 30, 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: 2026-09-30T10:01:50.781411Z