SEA HYMN

IMO 9412036

⭐ Vessel Spotlight — 2026-09-13 ✓ Not Sanctioned
Rank: #8 of 3,357 STS detections: 0 Loiter: 152 AIS gap events: 4 Zone dwell: 410 90-day AIS-derived behavioral indicators

The vessel SEA HYMN was selected as Vessel Spotlight due to its ranking of #8 among 3,357 monitored vessels, with key metrics over the past 90 days including 152 loiter events and 410 zone dwell events. The top operating zones included the Danish Straits/Skagerrak, Northern Baltic Sea Surveillance Zone, Istanbul Black Sea Surveillance Zone, Malacca Strait Surveillance Zone, and Bosphorus/Dardanelles Approach. 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

Vessel Name SEA HYMN
IMO Number 9412036
MMSI 538010456
Vessel Type Tanker
Flag 🇲🇭 Marshall Islands
Call Sign V7A6068
Length 250 m
Beam 44 m
Gross Tonnage 62,884 GT
Build Year 2011

Movement & AIS Track

The vessel SEA HYMN was detected in the Danish Straits/Skagerrak zone most frequently, with a total of 259 events, including 130 zone dwell events, 107 loiter events, and 22 STS proximity detections. It was also detected in the Northern Baltic Sea Surveillance Zone (115 events) and the Istanbul Black Sea Surveillance Zone (99 events), with similar patterns of zone dwell and loiter events. The vessel was detected in the vicinity of various terminal zones, though no direct terminal visits were recorded during this period.

ZoneEventsTypesFirst SeenLast Seen
Danish Straits/Skagerrak 259 zone_dwell: 130, loiter: 107, sts: 22 Mar 19, 2026 Sep 11, 2026
Northern Baltic Sea Surveillance Zone 115 zone_dwell: 68, loiter: 42, sts: 5 Apr 18, 2026 Jul 8, 2026
Istanbul Black Sea Surveillance Zone 99 zone_dwell: 64, loiter: 35 Jun 1, 2026 Jun 17, 2026
Malacca Strait Surveillance Zone 80 zone_dwell: 42, loiter: 38 Aug 22, 2026 Aug 24, 2026
Bosphorus/Dardanelles Approach 37 zone_dwell: 23, loiter: 14 Jul 7, 2026 Jul 8, 2026
discovered_018 36 zone_dwell: 23, loiter: 13 May 9, 2026 May 10, 2026
English Channel Surveillance Zone 18 zone_dwell: 17, ais_gap: 1 Mar 21, 2026 Sep 12, 2026
Western Black Sea Surveillance Zone 18 zone_dwell: 14, loiter: 4 Jul 12, 2026 Sep 3, 2026
discovered_023 18 zone_dwell: 15, loiter: 3 Aug 22, 2026 Aug 24, 2026
Black Sea Sanctioned Vessel Monitoring Zone 18 zone_dwell: 12, loiter: 5, ais_gap: 1 Mar 20, 2026 Jun 1, 2026
Southern Öresund Surveillance Zone 17 zone_dwell: 17 Mar 20, 2026 Sep 6, 2026
Eastern Mediterranean Monitoring Zone 15 zone_dwell: 14, ais_gap: 1 Apr 24, 2026 Sep 2, 2026
North Sea Surveillance Zone 13 zone_dwell: 13 Apr 27, 2026 Sep 8, 2026
Central Atlantic Monitoring Zone 13 zone_dwell: 13 May 1, 2026 Sep 5, 2026
North Sea Surveillance Zone 9 zone_dwell: 9 Jul 10, 2026 Sep 5, 2026

STS Proximity Partners

The vessel SEA HYMN had a total of 0 STS proximity detections. It was detected in proximity to two distinct partner vessels, with RICH HARVEST being the most frequent partner, recorded in 22 proximity events, followed by MARGARETA with 5 events. None of the partner vessels were sanctioned.

🇵🇦 RICH HARVEST
22 events Not Sanctioned
🇱🇷 MARGARETA
5 events Not Sanctioned

Ownership & Management

Registered Owner
HAVEN TRADING INC
C/O: Stealth Maritime Corp SA 331, Kifisias Avenue, Kifisia, 145 61, Athens, Greece.
ISM Manager
STEALTH MARITIME CORP SA
331, Kifisias Avenue, Kifisia, 145 61, Athens, Greece.
Ship Manager
STEALTH MARITIME CORP SA
331, Kifisias Avenue, Kifisia, 145 61, Athens, Greece.
Commercial Manager
STEALTH MARITIME CORP SA
331, Kifisias Avenue, Kifisia, 145 61, Athens, Greece.
🏢
HAVEN TRADING INC

HAVEN TRADING INC is a Greece-based maritime owning entity tied to the Stealth Maritime corporate address in Kifisia, Athens. Public vessel databases identify it as the registered owner of the crude oil tanker SEA HYMN, while the vessel’s commercial and ISM management are handled by STEALTH MARITIME CORP SA.[1][2][3]

Fleet1 vessel(s)
Beneficial OwnerUnknown. Retrieved sources identify the registered owner as HAVEN TRADING INC and the commercial/ISM manager as STEALTH MARITIME CORP SA, but no beneficial owner or parent company was confirmed in the available records.[1][2][3]
SanctionsOpenSanctions lists HAVEN TRADING INC. as a company registered in Liberia and marks it as a person of interest; the company and vessel also appear in Ukrainian war-sanctions transport records and multiple maritime trade-monitoring databases showing Sea Hymn loading/exporting Russian crude oil. No formal sanctions designation or enforcement action against the company itself was found in the retrieved sources.[4][7][8][9][10]

⚠ Red Flags

  • Single-vessel ownership profile
  • Owner and commercial/ISM manager are closely linked to the same Athens address
  • Appears in open-source monitoring of Russian crude oil export movements
  • OpenSanctions lists the company as a person of interest
🏢
STEALTH MARITIME CORP SA

STEALTH MARITIME CORP SA is a Greece-based commercial ship manager and ISM manager operating from Kifisia, Athens. Public fleet listings identify it as the manager of SEA HYMN and show it offers commercial and technical management services for a larger fleet.

Fleet48 vessel(s)

Name, Flag & Ownership History

Name Changes (5)
  • Jan 1, 2023
    SEA HYMN
  • Nov 1, 2017
    Signal Alpha
  • Dec 1, 2016
    Sea Hymn
  • Oct 1, 2011
    Stealth Skyros
  • Feb 1, 2009
    Brave Catherine
Flag Changes (4)
  • Jan 1, 2023
    🇲🇭 Marshall Islands
  • Nov 1, 2017
    🇲🇹 Malta
  • Dec 1, 2016
    🇱🇷 Liberia
  • Oct 1, 2011
    🇲🇭 Marshall Islands
DateCompanyRole
Jan 18, 2023STEALTH MARITIME CORP SAISM Manager
Jan 18, 2023STEALTH MARITIME CORP SAShip manager/Commercial manager
Jan 18, 2023HAVEN TRADING INCRegistered owner
Sep 10, 2018THENAMARIS SHIPS MANAGEMENTRegistered owner
Nov 30, 2017THENAMARIS SHIPS MANAGEMENTISM Manager
Nov 30, 2017THENAMARIS SHIPS MANAGEMENTShip manager/Commercial manager
Dec 10, 2016STEALTH MARITIME CORP SAISM Manager
Oct 31, 2011MISC SHIPMANAGEMENT S PTEISM Manager
Oct 31, 2011STEALTH MARITIME CORP SAShip manager/Commercial manager
Oct 31, 2011HAVEN TRADING INCRegistered owner

Media Mentions

Classification & Safety

Registro Italiano Navale (IACS) Delivered
24
Total Inspections
0
Detentions

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 13, 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: 2026-09-13T10:01:50.104919Z