# NR670 methanol & ethanol fuelled ships

This Rule Note provides requirements for the arrangement, installation, control and monitoring of machinery, equipment and systems using methyl/ethyl alcohol as fuel to minimize the risk to the ship, its crew and the environment, having regard to the nature of the fuels involved.

Reference Title Edition

NR670 R01

Methanol & Ethanol Fuelled Ships

Aug 2022

###### Check related documents:
• NR467 Rules for the classification of steel ships
• NR529 Gas fuelled ships
• NR671 Ammonia-fuelled ships - tentative rules
• NI647 LPG-fuelled ships
• NR547 Ships using fuel cells