The purpose of this part is to set forth uniform minimum requirements for the manning of vessels. In general, they implement, interpret, or apply the specific statutory manning requirements in title 46, U.S.C., implement various international conventions which affect merchant marine personnel, and provide the means for establishing the complement necessary for safe operation of vessels. [CGD 81-059, 52 FR 38652, Oct. 16, 1987, as amended by USCG-2004-17914, 78 FR 78000, Dec. 24, 2013]