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| The Piper Cheyenne is a family of turboprop corporate aircraft based on the popular Navajo and Chieftain piston twins. Although the first Cheyenne was not delivered until mid 1974, work on a turboprop version of the Pressurized Navajo dates back almost a decade earlier to the mid 1960s. The first Cheyenne production aircraft (powered by 620 shp/462kW PT6A-28s) first flew on October 22 1973. Piper introduced the lower powered 500 shp /373kW PT6A-11s and less expensive Cheyenne I in 1978, and renamed the original Cheyenne the Cheyenne II. Refinements to the Cheyenne I made in 1983, including more power at altitude, revised cowlings and interior, resulted in the Cheyenne IA. Meanwhile the stretched Cheyenne IIXL had been introduced in 1979. Compared with the standard length Cheyennes, the IIXL was 2' (61cm) longer, featured an extra cabin window on the left side, 400lb (180kg) increased max takeoff weight and 750 shp (560kW) PT6A-135s. An improved IIXLa was planned, but did not enter production. |
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| Seating (normal) |
6 |
Max Takeoff (lbs) |
9,000 |
| Seating (maximum) |
- |
Certified Ceiling (ft) |
31,000 |
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| Engines |
2 P&WC PT6A-28 |
To (Sealevel, ISA Temp) (ft) |
1,980 |
| Output lbs ea. Flat Rating |
620shp |
Landing Distance (ft) |
- |
| Maximum Mach No. |
- |
Max Range (fuel) (nm) |
1,219 |
| High Speed Cruise (Kts) |
283 |
Max Range (payload) (nm) |
712 |
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| Flight Time 300nm |
1 + 28 |
Flight Time 1000nm |
4 + 14 |
| Flight Time 600nm |
2 + 39 |
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| External |
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Internal |
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| Length (ft) |
34.70 |
Length (ft) |
8.40 |
| Height (ft) |
12.80 |
Height (ft) |
4.30 |
| Span (ft) |
42.70 |
Width: Max floor (ft) |
4.20 |
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