ISO/CD 25817-1

Ships and marine technology — Evaluation of fuel consumption and propulsion performance in actual seas — Part 1: Method for evaluating fuel consumption and propulsion performance

General information

Current stage: 30.60 Close of voting/ comment period Aug 23, 2026

Originator: ISO

Owner: ISO/TC 8/SC 2 Marine environment protection

Type: International Standard

Scope

The proposed deliverable specifies standard methods for calculating fuel consumption and ship performance in actual seas utilizing onboard monitoring data and ship design data.

Life cycle

NOW

IN_DEVELOPMENT
ISO/CD 25817-1
30.60 Close of voting/ comment period
Aug 23, 2026