173.053—Sailing school vessels.
        
        (a) 
         In addition to the requirements in  §§ 173.054 through 173.063, each sailing school vessel must comply with the provisions of subpart A of  part 171 of this subchapter.
    
    
        
        (b) 
         In addition to regular passengers, for the purpose of complying with  §§ 171.070 through 171.073 and  § 171.080, the following will also be counted as passengers:
    
    
    
    
    [CGD 83-005, 51 FR 924, Jan. 9, 1986]