131.560—Weekly tests and inspections.
         The following tests and inspections must be carried out weekly:
    
    
        
        (a) 
         Each lifesaving appliance and launching appliance must be visually inspected to ensure that it is ready for use.
    
    
        
        (b) 
         Each engine of a lifeboat or a rescue boat must be run ahead and astern for not less than 3 minutes, unless the ambient temperature is below the minimal temperature required for starting the engine.
    
    
    
        
        (d) 
         Each battery for starting the engine of a lifeboat or a rescue boat, or for energizing a searchlight, a fixed installation of a radio in a lifeboat, or a portable radio, must be brought up to full charge at least once a week if the battery is—
    
    
    
    
        
        (e) 
         The transmitter of each fixed installation of a radio in a lifeboat and that of each portable radio must be tried out at least once a week with a dummy antenna load.