| PLEASURE
                    DUTY | 
                 
                
                  
                    
                      - Highly intermittent operation with very large
                        variations in engine speed and power
 
                     
                   | 
                 
                
                  Average engine
                    operating 
                    hours limit: | 
                  500 hours/year 
                    (for HBW transmissions, 300 hours/year). | 
                 
                
                  | Typical hull
                    forms: | 
                  Planing. | 
                 
                
                  | Typical
                    applications: | 
                  Private, non-commercial,
                    non-charter sport/leisure activities. | 
                 
              
             
            
           
         | 
      
      
        
          
            
            
              
                
                  | LIGHT
                    DUTY | 
                 
                
                  
                    
                      - Intermittent operation with large variations
                        in engine speed and power
 
                     
                   | 
                 
                
                  Average engine
                    operating 
                    hours limit: | 
                  2500 hours/year 
                    (for HSW and IRM transmissions, 2000 hours/year). | 
                 
                
                  | Typical hull
                    forms: | 
                  Planing and
                    semi-displacement. | 
                 
                
                  | Typical
                    applications: | 
                  Private and charter,
                    sport/leisure activities, naval and police activities. | 
                 
              
             
            
           
         | 
      
      
        
          
            
            
              
                
                  | MEDIUM
                    DUTY | 
                 
                
                  
                    
                      - Intermittent operation with some variations in
                        engine speed and power
 
                     
                   | 
                 
                
                  Average engine
                    operating 
                    hours limit: | 
                  3500 hours/year. | 
                 
                
                  | Typical hull
                    forms: | 
                  Semi-displacement and
                    displacement | 
                 
                
                  | Typical
                    applications: | 
                  Charter and commercial
                    craft (example: crew boats), and naval and police
                    activities. | 
                 
              
             
            
           
         | 
      
      
        
          
            
            
              
                
                  | CONTINUOUS
                    DUTY | 
                 
                
                  
                    
                      - Continuous operation with little or no
                        variations in engine speed and power
 
                     
                   | 
                 
                
                  Average engine
                    operating 
                    hours limit: | 
                  Unlimited | 
                 
                
                  | Typical hull
                    forms: | 
                  Displacement. | 
                 
                
                  | Typical
                    applications: | 
                  Heavy duty commercial
                    vessels, tugs, fishing boats. | 
                 
              
             
            
           
         |