23.727—Reserve energy absorption drop test.
        
        (a) 
         If compliance with the reserve energy absorption requirement in  § 23.723(b) is shown by free drop tests, the drop height may not be less than 1.44 times that specified in  § 23.725.
    
    
        
        (b) 
         If the effect of wing lift is provided for, the units must be dropped with an effective mass equal to W
            e =Wh/(h d), when the symbols and other details are the same as in  § 23.725.