ASTM F957-91(2023)

1.1This specification covers gongs for use on ships 100 m or more in length, as required by International Regulations (see Appendix X1).

1.2For consistency with International Regulations, all measurements are in SI units.

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.