NR647 LPG-Fuelled Ships

This Rule Note provides a set of design and installation requirements for the classification of ships using liquefied petroleum gas (LPG) as a fuel, other than vessels covered by the IGC Code. NR647 covers the arrangement, installation, control and monitoring of machinery, equipment and systems using LPG.

ReferenceTitleDate
NR647 R02LPG-fuelled ships April 2026

Check the list of Main Changes.

Check other Bureau Veritas rules and guidelines, including:

  • NR467 Rules for the classification of steel ships
  • NR529 Gas fuelled ships
  • NR670 Methanol and ethanol-fuelled ships
  • NR671 Ammonia-fuelled ships - tentative rules
  • NR678 Hydrogen-fuelled ships
  • NR547 Ships using fuel cells

Your toolbox