Question 1

At what tonnage threshold does the full ISM Code (not just the lighter safety management provisions within the REG Yacht Code itself) become mandatory for a commercial yacht?

Accepted Answer

500GT — above this threshold a commercially registered yacht on international voyages must comply with the full ISM Code, requiring a Document of Compliance (DOC) for the management company and a Safety Management Certificate (SMC) for the vessel This is a hard regulatory line, not a judgement call — a 499GT yacht and a 501GT yacht sit in genuinely different compliance regimes. Below 500GT (and 24m+), the yacht-specific REG Yacht Code safety management provisions apply; at and above 500GT, the vessel steps up into the full SOLAS-derived ISM Code framework with its DOC/SMC audit and certification structure.

Question 2

What is the practical difference for a Master/Chief Officer between operating under the REG Yacht Code's own safety management provisions versus operating under a full ISM DOC/SMC once a yacht crosses 500GT?

Accepted Answer

Full ISM brings external audit cycles (internal audits, external Flag State/RO audits, non-conformity tracking and close-out), a formally documented Safety Management System with defined procedures across all departments, and a shore-based Designated Person Ashore (DPA) the Master must have direct access to at any time Full ISM is a meaningfully heavier compliance regime — formal audit cycles, documented procedures across every department (not just bridge/deck), and a mandatory DPA relationship are all new obligations a yacht crossing 500GT takes on, distinct from the more streamlined safety management approach below that threshold.

Question 3

What is the role of the Designated Person Ashore (DPA) under ISM, and why is direct, unimpeded Master-to-DPA access considered a critical safety provision rather than a bureaucratic formality?

Accepted Answer

The DPA is a shore-based link between the vessel and senior management with direct access to the highest level of the company, ensuring that a Master raising a serious safety or compliance concern cannot be blocked, ignored, or filtered by intermediate management layers — particularly important where commercial or ownership pressure might otherwise discourage raising the concern at all The DPA requirement exists specifically as a structural safeguard against exactly the kind of commercial-pressure-overriding-safety scenario this content library repeatedly flags — a Master facing pressure from an owner or charter schedule has a guaranteed, unfiltered escalation route to senior management precisely because intermediate layers (even well-intentioned ones) can inadvertently dilute or delay a safety concern.

Yacht — Advanced Compliance (500GT+) Practice Questions