IMO 9378620
The vessel DALVA was selected as Vessel Spotlight due to its ranking of #19 among 2,478 monitored vessels, with key metrics over the past 90 days including 0 STS proximity events, 7 AIS gaps, 163 loitering events, and 417 zone dwell events. The top operating zones included the Kattegat Surveillance Zone with 433 events, followed by the Danish Straits/Skagerrak with 21 events. 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 DALVA was detected in the Kattegat Surveillance Zone most frequently, with 433 events recorded, including 271 zone dwell and 161 loiter events. It was also detected in the Danish Straits/Skagerrak (21 events), Archipelago Sea Sanction Zone (13 events), and several other zones with fewer detections. The vessel was detected in the vicinity of terminal zones, though no direct terminal visits were recorded during this period.
| Zone | Events | Types | First Seen | Last Seen |
|---|---|---|---|---|
| Kattegat Surveillance Zone | 433 | zone_dwell: 271, loiter: 161, ais_gap: 1 | Apr 10, 2026 | Apr 28, 2026 |
| Danish Straits/Skagerrak | 21 | zone_dwell: 21 | Jan 23, 2026 | Apr 8, 2026 |
| Archipelago Sea Sanction Zone | 13 | zone_dwell: 13 | Jan 26, 2026 | Apr 6, 2026 |
| Northern Skagerrak Surveillance Zone | 10 | zone_dwell: 10 | Feb 2, 2026 | Apr 8, 2026 |
| Central Iberian Monitoring Zone | 10 | zone_dwell: 10 | Apr 6, 2026 | Apr 6, 2026 |
| Western Mediterranean Surveillance Zone | 10 | zone_dwell: 8, loiter: 2 | Feb 16, 2026 | Apr 1, 2026 |
| discovered_084 | 8 | zone_dwell: 7, ais_gap: 1 | Jan 23, 2026 | Feb 4, 2026 |
| Baltic Exit/Tallinn Approach | 8 | zone_dwell: 8 | Jan 26, 2026 | Jan 29, 2026 |
| Baltic Sea Surveillance Zone | 7 | zone_dwell: 7 | Apr 7, 2026 | Apr 8, 2026 |
| Unknown Maritime Surveillance Zone | 6 | zone_dwell: 6 | Apr 5, 2026 | Apr 6, 2026 |
| Southern Öresund Monitoring Zone | 6 | zone_dwell: 6 | Jan 24, 2026 | Jan 31, 2026 |
| Eastern Gulf of Finland Monitoring Zone | 5 | zone_dwell: 5 | Feb 4, 2026 | Apr 7, 2026 |
| Eastern Mediterranean Monitoring Zone | 5 | zone_dwell: 5 | Jan 24, 2026 | Apr 2, 2026 |
| Central Atlantic Monitoring Zone | 5 | zone_dwell: 5 | Feb 1, 2026 | Apr 2, 2026 |
| Western Mediterranean Sanctioned Vessel Zone | 5 | zone_dwell: 4, ais_gap: 1 | Apr 1, 2026 | Apr 1, 2026 |
Ownership & Management
GONG YU SHIPPING LTD (IMO Company Number 0092291) is a Hong Kong-registered shipping company incorporated on September 12, 2024, acting as the registered owner of the tanker DALVA (IMO 9378620). It uses c/o Bai Sha Hu Shipmanagement Co Ltd in Shanghai, China for its address and is listed as a person of interest and sanction-linked entity on OpenSanctions. The company manages a single aged tanker vessel and appears in shadow fleet monitoring related to Russian oil transport circumvention.
⚠ Red Flags
- Recently incorporated on September 12, 2024, shortly before vessel ownership transfer on October 10, 2024
- Listed as sanction-linked entity on OpenSanctions
- Owner of shadow fleet tanker DALVA involved in Russian oil transport sanctions circumvention per Ukrainian government sources
- Fleet consists of single 15+ year old tanker (100% of fleet)
BAI SHA HU SHIPMANAGEMENT CO (IMO 0137063) is a Chinese shipmanagement company based in Shanghai, acting as commercial manager, ISM manager, and ship safety management manager for vessels involved in the Russian shadow fleet transporting crude oil in violation of Western sanctions. It manages the tanker DALVA (IMO 9378620), owned by Gong Yu Shipping Ltd c/o the company, flagged under Comoros and certified by Indian Register of Shipping.[1][2][7]
⚠ Red Flags
- Associated with shadow fleet operations transporting Russian crude oil in violation of G7+ price cap and sanctions[1][8]
- Manages DALVA, a sanctioned tanker (UK, EU, Switzerland, Canada, Australia) involved in high-risk practices for Russian oil export[1]
- Frequently listed alongside other shadow fleet managers like Baiga Maritime Inc and Azerbaijani/Moldovan companies in management transfers[3][4][5][6]
Name, Flag & Ownership History
- May 1, 2025DALVA
- Oct 1, 2024Ganga
- Jan 1, 2023Varvara
- Aug 1, 2021Polaris Bay
- Nov 1, 2008Lr2 Polaris
- Nov 1, 2025🇨🇲 Cameroon
- Oct 1, 2025🏳️ Gambia
- May 1, 2025🇰🇲 Comoros
- Nov 1, 2024🏳️ Djibouti
- May 1, 2023🏳️ Gabon
- Jan 1, 2023🏳️ St.Kitts and Nevis
- Aug 1, 2021🇱🇷 Liberia
- Nov 1, 2008🏳️ Hong Kong, China
| Date | Company | Role |
|---|---|---|
| Jun 20, 2025 | BAI SHA HU SHIPMANAGEMENT CO | Ship manager/Commercial manager |
| Jun 20, 2025 | BAI SHA HU SHIPMANAGEMENT CO | ISM Manager |
| Nov 27, 2024 | SHE SHAN SHIPMANAGEMENT CO LTD | ISM Manager |
| Nov 27, 2024 | SHE SHAN SHIPMANAGEMENT CO LTD | Ship manager/Commercial manager |
| Oct 10, 2024 | GONG YU SHIPPING LTD | Registered owner |
| Oct 10, 2024 | GONG YU SHIPPING LTD | Ship manager/Commercial manager |
| Oct 10, 2024 | HERA SHIP MANAGEMENT | ISM Manager |
| Aug 4, 2024 | VARUNA SHIP MANAGEMENT | ISM Manager |
| Jan 26, 2024 | STREAMMARITIME SERVICES LTD | Ship manager/Commercial manager |
| Jan 26, 2024 | STREAMMARITIME SERVICES LTD | Registered owner |
| May 31, 2023 | GORGEOUS SHIPPING & MARINE INC | Ship manager/Commercial manager |
| May 31, 2023 | GORGEOUS SHIPPING & MARINE INC | Registered owner |
| Mar 31, 2023 | GATIK SHIP MANAGEMENT M/S | Registered owner |
| Mar 31, 2023 | GALENA SHIP MANAGEMENT | ISM Manager |
| Jan 16, 2023 | GATIK SHIP MANAGEMENT M/S | ISM Manager |
| Jan 10, 2023 | GATIK SHIP MANAGEMENT M/S | Ship manager/Commercial manager |
| Jan 10, 2023 | GORGEOUS SHIPPING & MARINE INC | Registered owner |
| Aug 6, 2021 | PARTANKERS XVIII AS | Registered owner |
| Aug 6, 2021 | PARTANKERS XVIII AS | Ship manager/Commercial manager |
| Nov 28, 2008 | HEROIC CYGNUS INC | Registered owner |
| Nov 28, 2008 | CIDO SHIPPING HK CO LTD | Ship manager/Commercial manager |
| Nov 28, 2008 | EXECUTIVE SHIP MANAGEMENT | ISM Manager |
Media Mentions
- DALVA (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 April 28, 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: 2026-04-28T10:02:47.887177Z
