Piper Cheyenne II
Turboprop • twin engine • Low Wing • Retractable gear
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Mission Profile
283
KTAS
Cruise Speed
7
Occupants
1350
nm
Max Range
1041
lbs
Wet Payload
About the Piper Cheyenne II
The Piper PA-31T Cheyenne II is the original high-performance model that launched Piper’s turboprop success. Powered by 620 shp Pratt & Whitney PT6A-28 engines, it offers significantly more power than the Cheyenne I/IA. It is a “hot rod” in its class, known for impressive climb rates and speed, but it demands respect due to its stability characteristics.
Key Features for GA Buyers
- Power to Weight: With 620 shp per side and a 9,000 lb MTOW, the Cheyenne II boasts an exceptional power-to-weight ratio. This translates to a sea-level climb rate of 2,800+ fpm, allowing it to rocket up to the flight levels faster than most King Airs of the era.
- Range & Fuel: Standard tip tanks bring the total fuel capacity to 382 gallons, offering a range of over 1,300 nm at economy cruise, making it a true cross-continent traveler.
- Value: Because of the market stigma surrounding its stability history (see below), the Cheyenne II typically commands a lower purchase price than the Cheyenne I or IIXL, offering arguably the best “knots per dollar” value in the twin turboprop market.
Trade-offs
- Stability Augmentation System (SAS): The high power combined with the short fuselage created longitudinal stability issues at high angles of attack. As a result, the Cheyenne II is certified with a mandatory Stability Augmentation System (SAS). If this system fails, the aircraft may be grounded or restricted to a lower flight envelope.
- Handling: It is less docile than the Cheyenne I or the stretched Cheyenne IIXL. The short-coupled fuselage can make pitch control sensitive, particularly during takeoff and landing phases.
- Cabin Noise: The high-power engines mounted close to the fuselage create a louder cabin environment compared to the stretched IIXL or the King Air series.
Technical Specifications
Dimensions
- Wingspan
- 42.67 ft
- Length
- 34.67 ft
- Height
- 12.75 ft
Weights
- Max Takeoff Weight
- 9,000 lbs
- Max Landing Weight
- 9,000 lbs
- Useful Load
- 3,600 lbs
- Fuel Capacity
- 382 gal
Performance
- Cruise Speed
- 283 KTAS
- Range
- 1350 NM
- Service Ceiling
- 31,000 ft
- Rate of Climb
- 2800 fpm
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