🇩🇰 Denmark
Baltic Sea · Tanker Terminal
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Not listed
Kalundborg is not inside any Joint War Committee listed area (circular JWLA-035, 16 September 2026).
Source: Joint War Committee circular JWLA-035, 16 September 2026 (LMA/IUA), JWC Listed Areas for hull war, piracy, terrorism and related perils.
Kalundborg in Denmark operates in a semi-enclosed shallow basin with seasonal ice and the strictest environmental regime in commercial shipping. December–April ice coverage requires vessels to meet Finnish-Swedish Ice Class for independent navigation or rely on icebreaker escort, and ice-edge position varies enough between years that conventional deterministic routing models fail. Since 2022, Russia's invasion of Ukraine has transformed the security architecture: NATO maritime presence has increased substantially, and sanctions against Russian energy exports have disrupted traditional traffic patterns. The Baltic is also a designated Particularly Sensitive Sea Area (PSSA) and Sulphur Emission Control Area (SECA), requiring low-sulphur fuel or exhaust gas cleaning systems.
Kalundborg falls under the Paris MoU. The Paris Memorandum of Understanding does not publish a bulk per-vessel detention CSV. ArcNautical evaluates per-vessel detention probability using flag-state performance (3-year rolling rate from the 2024 Paris MoU annual report), vessel age, deficiency history, and ownership transparency. Paris MoU PSC inspections remain among the most rigorous globally.
No port calls were observed at Kalundborg between 29 Apr 2026 and 5 Aug 2026. This reflects the reach of the terrestrial AIS network behind this page — coverage is densest in Northwest Europe and thins elsewhere — and is not a statement about traffic at Kalundborg. The feed has delivered no positions since 5 Aug 2026, so these figures will not change until it resumes.
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