| PA-40 Arapaho | |
|---|---|
 | |
| Role | Twin-engined cabin monoplane |
| National origin | United States |
| Manufacturer | Piper |
| First flight | 16 January 1973 |
| Status | Cancelled |
| Number built | Three |
| Developed from | Piper PA-39 Twin Comanche |
The Piper PA-40 Arapaho was an American twin-engined cabin monoplane designed by Piper as a replacement for the PA-39 Twin Comanche C/R. [1]
Like most Piper products at this time, the PA-40 was named after a Native American tribe, in this case the Arapaho.
The Arapaho was similar in size to the Twin Comanche and had six seats but had a taller main landing gear and larger cabin windows. [1] It had two counter-rotating 160 hp Lycoming IO-320 engines. [1]
The prototype was damaged in June 1972 when the factory at Lock Haven, Pennsylvania, flooded and the prototype, registered N9999P, did not fly until 16 January 1973. [1] It crashed on 21 September 1973 during spin trials. [1] and the aircraft was redesigned with a taller tailfin. The second modified prototype with normally aspirated engines first flew in April 1974 and was followed by a third aircraft with turbocharged engines. [1]
The PA-40 was type certified on 18 July 1974, as an amendment to the Twin Comanche type certificate. The Arapaho was scheduled to be launched as a 1975 model, but the company decided not to market the aircraft and the project was cancelled in December 1974. [1] [2] Piper stated that the cancellation was for financial reasons as it did not want to establish a new production line during the 1973–1975 recession. [3]
Following cancellation the two aircraft were used by Piper as company liaison and communication aircraft, one based at Lock Haven, the other at Lakeland, Florida. [4] Later, one aircraft was scrapped by Piper and the third, registered N9997P, is now privately owned in Texas, following use by the Purdue University student maintenance program. [5] [6]
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