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ISO/PRF 23765

Ships and marine technology — Marine environment protection — Specification for collecting data on ship's fuel oil consumption

General information

50.20     Oct 6, 2026

ISO

ISO/TC 8/SC 2

International Standard

47.020.99     13.020.99  

Scope

This document provides a method for ships of 5 000 gross tonnage (GT) and above to collect data on fuel oil consumption, as required by regulation 22A of MARPOL, Annex VI. It specifies practical methods to measure the fuel oil consumption, the distance travelled and the hours underway. Annex A provides an example of a ship fuel oil consumption data collection plan.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 23765:2021

NOW

PROJECT
ISO/PRF 23765
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 6, 2026

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