What type of ship's inspection is required every five years?

The Certificate of Inspection is a crucial document that validates a vessel's compliance with safety regulations, operational standards, and other statutory requirements. This certificate is required to be renewed every five years to ensure that vessels are maintained and operated in a manner that meets current safety and environmental guidelines. Regular inspections leading to this renewal are vital for the safety of the crew, passengers, and the marine environment. The five-year timeframe reflects the need for comprehensive re-evaluation, which can account for any changes in maritime regulations and standards over that period.

In contrast, the other options pertain to different types of inspections or assessments that may not necessarily follow a five-year routine or serve the same specific purpose. The Nautical Survey often focuses on examining navigation equipment and procedures but is not mandated at a five-year interval. The Load Line Survey determines a ship's maximum cargo-carrying capacity and has its own specific regulations and timelines based on different factors, including the ship's type. Environmental Compliance Inspections look at a broader scope of environmental regulations and compliance but do not have a universal five-year requirement tied to them.