ARRHENIUS

IMO 9471032

⭐ Vessel Spotlight — 2026-09-17 ✓ Not Sanctioned
Rank: #4 of 3,340 STS detections: 0 Loiter: 372 AIS gap events: 6 Zone dwell: 567 90-day AIS-derived behavioral indicators

The vessel ARRHENIUS was selected as Vessel Spotlight due to its ranking of #4 among 3,340 monitored vessels, with key metrics over the past 90 days including 0 STS proximity events, 6 AIS gaps, 372 loitering events, and 567 zone dwell events. The top operating zones included the Danish Straits/Skagerrak with 726 events, followed by the Bosphorus/Dardanelles Approach with 47 events. The vessel was detected in the vicinity of terminal zones, but no direct terminal visits were recorded during this period. These metrics are AIS-derived behavioral indicators.

Vessel information

Vessel Name ARRHENIUS
IMO Number 9471032
MMSI 636019884
Vessel Type Tanker
Flag 🇱🇷 Liberia
Call Sign D5WP6
Length 174 m
Beam 28 m
Gross Tonnage 22,977 GT
Build Year 2010

Movement & AIS Track

The vessel ARRHENIUS was detected in the Danish Straits/Skagerrak zone most frequently, with 726 events recorded, including 375 zone dwell and 351 loiter events. It was also detected in the Bosphorus/Dardanelles Approach zone with 47 events, comprising 26 zone dwell and 21 loiter events. The vessel was detected in the vicinity of several other zones, including the Central Atlantic Surveillance Zone (15 events), Baltic Exit/Tallinn Approach (11 events), and Archipelago Sea Surveillance Zone (9 events), though no direct terminal visits were recorded during this period.

ZoneEventsTypesFirst SeenLast Seen
Danish Straits/Skagerrak 726 zone_dwell: 375, loiter: 351 Jun 12, 2026 Sep 17, 2026
Bosphorus/Dardanelles Approach 47 zone_dwell: 26, loiter: 21 Jul 1, 2026 Jul 2, 2026
Central Atlantic Surveillance Zone 15 zone_dwell: 15 Jun 19, 2026 Jul 31, 2026
Baltic Exit/Tallinn Approach 11 zone_dwell: 11 Jul 16, 2026 Aug 30, 2026
Archipelago Sea Surveillance Zone 9 zone_dwell: 9 Jul 14, 2026 Aug 31, 2026
Southern Öresund Surveillance Zone 9 zone_dwell: 8, ais_gap: 1 Jul 15, 2026 Aug 30, 2026
Southern Öresund Surveillance Zone 9 zone_dwell: 9 Jul 8, 2026 Aug 17, 2026
discovered_008 9 zone_dwell: 8, ais_gap: 1 Jul 16, 2026 Jul 31, 2026
English Channel Surveillance Zone 9 zone_dwell: 9 Jul 12, 2026 Jul 13, 2026
discovered_087 7 zone_dwell: 6, ais_gap: 1 Jun 15, 2026 Jul 10, 2026
Norwegian Sea Surveillance Zone 6 zone_dwell: 5, ais_gap: 1 Jun 17, 2026 Sep 1, 2026
Unknown Maritime Surveillance Zone 6 zone_dwell: 6 Jul 12, 2026 Aug 18, 2026
North Sea Surveillance Zone 6 zone_dwell: 6 Jul 13, 2026 Jul 13, 2026
Central Atlantic Monitoring Zone 6 zone_dwell: 6 Jul 8, 2026 Jul 8, 2026
Central Mediterranean Monitoring Zone 6 zone_dwell: 6 Jun 17, 2026 Jun 17, 2026

Ownership & Management

Registered Owner
LARCH SHIPHOLDING SA
W3-SO14, Shed 23, Al Hulaila Industrial Zone, Ras al Khaimah, United Arab Emirates.
ISM Manager
BERNHARD SCHULTE SHIPMGMT
Makedonomachon 36, Nea Ionia, 142 35, Athens, Greece.
Ship Manager
MAPLE MARINER HOLDING FZ-LLC
W3-SO14, Shed 23, Al Hulaila Industrial Zone, Ras al Khaimah, United Arab Emirates.
Commercial Manager
MAPLE MARINER HOLDING FZ-LLC
W3-SO14, Shed 23, Al Hulaila Industrial Zone, Ras al Khaimah, United Arab Emirates.
🏢
LARCH SHIPHOLDING SA

LARCH SHIPHOLDING SA is a United Arab Emirates-based ship-owning entity associated with the LPG tanker ARRHENIUS (IMO 9471032). Public maritime listings identify it as the registered owner, while commercial management is attributed to MAPLE MARINER HOLDING FZ-LLC and ISM management to Bernhard Schulte Shipmanagement.

Fleet1 vessel(s)
SanctionsNone found.

⚠ Red Flags

  • Single-vessel structure identified in public listings
  • Registered owner is separate from commercial manager and ISM manager
  • Corporate ownership/beneficial owner not publicly identified in the available sources
🏢
BERNHARD SCHULTE SHIPMGMT

Bernhard Schulte Shipmanagement (BSM) is a global ship management company headquartered in Hamburg with a significant management presence in Athens through BSM Hellas. Public sources describe it as an integrated maritime services provider operating across ship management functions including technical, crew, and commercial support.

Fleetunknown vessel(s)
Beneficial OwnerUnknown. Public sources reviewed identify BSM as part of the Schulte Group, but no beneficial ownership structure was verified in the available material.
SanctionsNone found. A February 2025 BSM statement said the group was not affiliated with BSM Marine LLP, which had been sanctioned by US authorities, and that BSM conducts sanctions screening.

⚠ Red Flags

  • Prior US enforcement history: a 2020 Hawaii court case fined BSM for illegal discharges and false/incomplete records involving one of its vessels.
  • Sanctions-adjacent naming confusion risk: BSM publicly disclaimed any link to BSM Marine LLP after that entity was sanctioned in 2025.
  • Fleet size not verified from the available sources.
🏢
MAPLE MARINER HOLDING FZ-LLC

MAPLE MARINER HOLDING FZ-LLC is a United Arab Emirates–based ship manager/commercial manager associated with the LPG tanker ARRHENIUS. Public vessel databases describe it as the commercial manager of a single gas carrier, with ship technical/ISM management handled by another company.

Fleet1 vessel(s)

⚠ Red Flags

  • Single-vessel manager structure
  • Commercial management separated from ISM management
  • Beneficial ownership not publicly identified in the available sources
  • Publicly reported association with a vessel involved in a 2026 magnetic-mines incident in the Baltic Sea, but no sanctions or enforcement action against the company itself was found

Name, Flag & Ownership History

Name Changes (3)
  • Apr 1, 2024
    ARRHENIUS
  • Apr 1, 2023
    ECO Ethereal
  • Oct 1, 2010
    Gaschem Bremen
Flag Changes (5)
  • Mar 1, 2020
    🇱🇷 Liberia
  • Apr 1, 2017
    🇩🇪 Germany
  • Apr 1, 2017
    🇩🇪 Germany
  • Oct 1, 2010
    🇱🇷 Liberia
  • Oct 1, 2010
    🇩🇪 Germany
DateCompanyRole
Apr 25, 2024BERNHARD SCHULTE SHIPMGMTISM Manager
Apr 23, 2024MAPLE MARINER HOLDING FZ-LLCShip manager/Commercial manager
Apr 23, 2024LARCH SHIPHOLDING SARegistered owner
Apr 16, 2023STEALTH MARITIME CORP SAISM Manager
—STEALTH MARITIME CORP SAShip manager/Commercial manager
—STEALTHGAS INCShip manager/Commercial manager
Mar 11, 2020CELCIUS TECHNOLOGIES INCRegistered owner
Mar 31, 2016HARTMANN GAS CARRIERS GERMANYShip manager/Commercial manager
Mar 31, 2016HARTMANN GAS CARRIERS GERMANYISM Manager
Apr 10, 2011HARTMANN SCHIFFAHRTS GMBH & COISM Manager
Oct 22, 2010HARTMANN SCHIFFAHRTS GMBH & COShip manager/Commercial manager
Oct 22, 2010FRISIA OSNABRUCK KGRegistered owner

Media Mentions

Classification & Safety

Lloyd's Register (IACS) Delivered
27
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 17, 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: 2026-09-17T10:02:05.228000Z