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A significant advance in the Navajo family came on 22 October 1973 when Piper flew the first production example of the PA-31T Cheyenne, which combined an airframe generally similar to that of the Pressurized Navajo with two 620hp Pratt & Whitney Aircraft of Canada PT6A-28 turboprop engines.
 | A three-view drawing (1178 x 844) |
| MODEL | PA-31T Cheyenne II |
| CREW | 1 |
| PASSENGERS | 6 |
| ENGINE | 2 x 620hp Pratt & whitney PT6A-28 turboprops |
| WEIGHTS |
| Take-off weight | 4082 kg | 8999 lb |
| Empty weight | 2257 kg | 4976 lb |
| DIMENSIONS |
| Wingspan | 13.01 m | 42 ft 8 in |
| Length | 10.57 m | 34 ft 8 in |
| Height | 3.89 m | 12 ft 9 in |
| Wing area | 21.3 m2 | 229.27 sq ft |
| PERFORMANCE |
| Cruise speed | 525 km/h | 326 mph |
| Range | 2557 km | 1589 miles |
| Andypilot333, geffallen(@)btinternet.com, 11.08.2008 Number six in my top six all-time favourite aircraft. |
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