This standard BS ISO 13592:1998 Small craft. Backfire flame control for petrol engines is classified in these ICS categories:
47.020.20 Marine engines and propulsion systems
47.080 Small craft
This International Standard specifies the minimum requirements for construction and testing of engines and devices to prevent the propagation of backfire flames from permanently installed inboard petrol engines to the surrounding atmosphere in small craft of length of the hull up to and including 24 m.