Balancing Sovereignty and Seafarers: The Legal Fault Line the Crew-Change Crisis Exposed

At the height of the pandemic, the maritime industry needed roughly 150,000 crew changes a month to keep ships legally and safely crewed. For long stretches it could not manage a fraction of that. Hundreds of thousands of seafarers were held aboard past the end of their contracts, some far beyond the eleven-month maximum the rules allow. The usual telling treats this as a logistics story, closed borders, grounded flights, cancelled visas. It was something more uncomfortable than that: a failure of international law to resolve a conflict it had never been designed to face.

The conflict is a balancing act with no referee. A coastal State has a genuine, well-grounded right to close its ports and protect its population, supported by UNCLOS and by its public-health obligations under the International Health Regulations (IHR 2005). A seafarer has an equally real right, under the Maritime Labour Convention (MLC 2006), to be repatriated at no cost to themselves when their contract ends. In ordinary times these never meet. In a public-health emergency they collide head-on, and nothing in the framework says which one yields.

Part of the reason is structural: three regimes, three silos. The IHR sits with the WHO and the public-health world. The MLC sits with the ILO and the labour world. UNCLOS governs the law of the sea. Each is authoritative within its own domain, and none was drafted to resolve a clash with the others. The result, as the paper puts it, was a "system of no system", and States filled the vacuum by defaulting to sovereignty. As of May 2020, only around a dozen percent of IHR member States were permitting crew changes at all.

The deeper diagnosis is about enforcement. Both the IHR and the MLC lean heavily on soft law, guidance circulars, joint statements, "shall" language, and peer pressure rather than binding consequence. The IMO, ILO and WHO jointly urged States to treat seafarers as key workers and honor free pratique; the guidance was sound and almost entirely non-binding. When voluntary obligation met national self-interest in a crisis, voluntary obligation lost. And the human cost was not abstract: exhausted crews held aboard for a year are a safety problem, not only a welfare one, fatigue is a documented contributor to maritime casualties.

The frameworks have since moved. The IHR amendments adopted in 2024 (in force from September 2025) and the MLC's 2022 amendments (in force December 2024), the latter strengthening financial security for repatriation and abandonment — close some of the worst gaps. But both reforms deliberately preserved the voluntary character of compliance; the new IHR implementation committee facilitates rather than enforces. The fault line has been narrowed, not removed.

That is why this is live for everyone reading. For P&I clubs, the exposure runs through abandonment and repatriation cover and the new financial-security obligations. For counsel, it surfaces in "no crew change" charter clauses, force majeure arguments, repatriation disputes, and even questions of State responsibility for breach of international obligations. For owners, it is operational and contractual risk that reappears with the next emergency. For regulators, the harmonization work is unfinished.

The crew-change crisis is the sharpest single case of the larger truth the practice is built on: at sea, public-health decisions and legal duties are the same decisions wearing different uniforms, and the fault line beneath every repatriation clause has not yet been closed.