Draft 04 : (1) The vertical distance between the water surface and the lowest point of a vessel. (2) The depth of water a vessel needs in order to float
NFPA 1005 Standard for Professional Qualifications for Marine Fire Fighting for Land-Based Fire Fighters, 2007 ed. http://www.nfpa.org/assets/files/aboutthecodes/100 5/pqu-ffq_firstdraftagenda_03-12.pdf, (Std: Prof Qualf for Mrn Fr Fight for Land-Based Fr Fightr - Amer) {363 NFC}