A Guide for Correct Entries in the ORB Part I – Machinery Space Operations, 4th Edition

This is a guide to completion of the Oil Record Book (Part I – Machinery space operations) to ensure compliance with IMO requirements. It provides instruction on correct record keeping, listing the types of operation that must be recorded and highlighting common failures and errors. It also includes Flag Administration requirements and is structured to facilitate integration in the document management system of any individual member of INTERTANKO.


This fourth edition of Part I of the ORB retains the structure of the previous edition and contains:

  • Instructions and interpretations on how to properly record all related operations in accordance with MARPOL 73/78, Annex I, Regulation 17
  • A list of operations to be recorded
  • Frequently found failures or mistakes
  • Detailed examples for all related operations.

Also available as an eBook. 

A Guide for Correct Entries in the ORB Part II – Cargo/Ballast Operations 2nd Edition

This publication provides guidance on proper and consistent completion of the Oil Record Book (Part II – Cargo/Ballast Operations) for oil tankers, as stipulated by Regulation 36 and Appendix III of Annex I of MARPOL 73/78. It sets out instructions and general requirements for making entries in the ORB Part II and lists the items that must be recorded. It also contains example entries for commonly used cargo/ballast operations.
It provides simple and clear advice and guidance for making entries in the ORB Part II with the aim of:

  • Ensuring compliance with the relevant MARPOL Annex I requirements
  • Facilitating and simplifying the onboard work of the responsible officers and the Master
  • Ensuring uniform and consistent ORB Part II recordkeeping that is aligned with and compatible with other shipboard logbooks and records.

Also available as an eBook.