MCI Circular 304 – Statutory certificates for all passenger vessels regardless the Gross Tonnage and for all commercial vessels 500 GT and over.

MCI Circular 298 – Automatic Identification Systems (AIS)

MCI Circular 297 – Ship to Ship Transfers

MCI Circular 60 – International Medical Guide for ships 3rd edition
MCI Circular 294 – 2024 devices for maneuvering
MCI Circular 285 – 2023 IMSBC code amendments
MCI Circular 281 – 2023 SOLAS requirements towing equipment regulation
MCI Circular 264 – Multiple load line assignment Cook Islands
MCI Circular 233 – Consequences for deliberately deactivating LRIT and AIS
