NR647 LPG-Fuelled Ships

This Rule Note provides a set of functional requirements and detailed design and installation requirements for the classification of ships using liquefied petroleum gas (LPG) as fuel. NR647 cover 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

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