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       Piper PA34 Seneca history, performance and specifications 
      
      
        
      
                                                      
            
            
                                    
                                      
            
                                    
                                    The PA-34 was, 
                                    like the PA-32 Saratoga, a derivation of the 
                                    PA-28 Cherokee series, in this case a twin 
                                    engined variant. It began as an experimental 
                                    tri-motor conversion to a Cherokee Six, with 
                                    an additional engine on each wing, in the 
                                    late 1960s.  
                                     
                                    This developed through two further, 
                                    twin-engined prototypes, the third flying in 
                                    1969, and the type entered production in 
                                    1971. Handling problems resulted in the 
                                    introduction in 1974 of the PA-34-200T 
                                    Seneca II with changed flight controls 
                                    and turbo-supercharged Continental TSIO-360 
                                    engines. 
            
                                    
                                       
                                    1970 interior trim
                                    
                                    This was 
                                    followed in 1981 by the Seneca III 
                                    with counter-rotating propellers, and in 
                                    1994 by the more refined Seneca IV. 
                                    The Seneca V of 1997 features 
                                    inter-cooled turbocharged L/TSIO-360-RB 
                                    engines, and the sixth seat replaced by an 
                                    entertainment/executive work station with 
                                    extending table and optional phone/fax. 
                                    
                                      
            
                                    
                                      
 
            
             
            
                                                
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