A craft capable of a maximum speed, in meters per second (knots) equal to or exceeding the following: (1) m/sec 3. 7 displacement(. 1667) [knots 7. 4 displacement(. 1667)], (2) displacement in m3 or long tons
NFPA 301 Code for Safety to Life from Fire on Merchant Vessels, 2001 ed. https://www.nfpa.org/Assets/files/AboutTheCodes/30 1/301-A2012-ROP.pdf, (Code: Life Sfty from Fr on Merchant Vssl - Amer) {291 NFC}