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      Beech Musketeer, Sierra & Sundowner history, performance and specifications 
      
       
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                              The Musketeer family 
                              was developed by Beechcraft as a lower cost and 
                              lower performance four seater than the Bonanza, 
                              intended to compete with the Cessna 172 and Piper 
                              Cherokee. The prototype Model 23 first flew on 23 
                              October, 1961. First production aircraft were 
                              delivered in autumn 1962, and enjoyed swift 
                              popularity. 
                               
                              The type developed, late in 1965, into three main 
                              types, the Musketeer A23A Custom III, Musketeer 
                              A23-19 Sport III and Musketeer A23-24 Super III. 
                              The Custom and Super had more powerful engines, 
                              and greater maximum takeoff weights. The Sport had 
                              a less powerful 150 hp (112 kW) engine and lower 
                              MTOW. Optional aerobatic kits were available for 
                              the Custom and Sport when flown as two-seaters. 
                               
                              In 1969 the Musketeer Super R was introduced, a 
                              Musketeer Super with retractable tricycle 
                              undercarriage. From 1970 a more rounded fuselage 
                              was introduced, and the models were renamed 
                              Musketeer B19 Sport, Musketeer C23 Custom and 
                              Musketeer A24 Super. The Musketeer name was 
                              dropped in 1971 and a further renaming took place. 
                              The Custom became the Sundowner C23, the Super R 
                              became the Sierra A24R, and the Sport became the 
                              Sport R19. The designations changed yet again in 
                              1974 to reflect engine horsepower - Sundowner 180, 
                              Sport 150, and Sierra 200. 
      
            
            
                              
                              The Sierra was given a new cowling, quieter engine 
                              and more efficient prop in 1974, and various 
                              aerodynamic changes were made to the Musketeer 
                              family in 1977. Sport manufacture ended in 1978. 
                              The Sundowner 180 and Sierra 200 remained in 
                              production into the 1980s, with series production 
                              ceasing in 1983 after over 5,000 had been built. 
            
                                
                              
                              
                                - TYPE: Four seat 
                                light aircraft. 
 
                                - PERIOD BUILT: 
                                1962-1983 
 
                                - COUNTRY OF 
                                ORIGIN: United States 
 
                                - ENGINE: (A23A) 
                                One Lycoming IO-346-A fuel injected flat four 
                                piston engine of 165 hp / 125 kW.
 
                                (B19) One Lycoming O-320-E2D of 150 hp / 112 kW 
                                (C23) One Lycoming O-360-A4K of 180 hp / 135 kW 
                                - all with fixed pitch 2-blade propeller. 
                                (C23R) One Lycoming IO-360-A1B6 of 200 hp / 150 
                                kW driving a variable pitch propeller. 
                                 
                                - DIMENSIONS:
                                
  
            
                                
                                
                                
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                                  Wing span: 32 ft 
                                  9 in / 10.0 m. all versions 
 
             
            
                                  Length: 25 ft 
                                  0 in / 7.62 m (A23A); others 25 ft 9 in / 7.84 
                                  m. 
                                  Height: 8 ft 
                                  3 in / 2.51 m. all versions 
                                
             
            
                                
            
            
                                
                                WEIGHTS (A23A):
                                
            
            
                                
                                
                                
            
                                  
                                  Max. takeoff: 
                                  2,400 lb / 1089 kg 
                                
                                 
            
                                
            
            
                                
                                PERFORMANCE:
                                
            
            
                                
                                
                                
                                  - 
                                  Max. speed: 
                                  (A23A) 127 kts. / 235 kph
 
                                  (B19) 169 kts. / 225 kph 
                                  (C23) 123 kts / 228 kph 
                                  (C23R) 141 kt / 262 kph  
             
            
                                  Long range 
                                  cruising speed; 102 kts. / 188 kph (A23A)
                                  
                                  Initial 
                                  climb: 728 ft / min. (A23A) 
                                  Range: 679 nm 
                                  / 1252 km. with reserves. 
                                
                                 
                                
                                
                                
                                
                                CAPACITY: All 
                                seat four, with additional seating for 2 
                                children in Musketeer Super III. 
                                
                              
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