An IOPP is required on oil tankers of what size?

The International Oil Pollution Prevention (IOPP) Certificate is mandated for oil tankers to ensure compliance with environmental regulations aimed at preventing oil pollution from ships. According to the International Convention for the Prevention of Pollution from Ships (MARPOL) Annex I, an IOPP Certificate is required for oil tankers that have a gross tonnage (GT) of 150 GT and above. This specification is in alignment with international maritime regulations that establish standards for oil discharges and the management of oily residues to protect marine environments.

The importance of the IOPP Certificate lies in its role in demonstrating that the tanker is equipped with the necessary machinery and systems designed for the effective management of oil and oily mixtures, thus minimizing the risk of oil pollution during operations. This requirement ensures that both large and smaller tankers operate under similar environmental standards as they engage in oil transport.

Options related to larger tonnages, while relevant in various contexts of maritime operations, do not align with the specific regulatory threshold set for the IOPP Certificate, which substantiates why the choice indicating 150 GT is the correct one.