CHEYENNE 400LS SPECIFICATIONS & PERFORMANCE
Piper PA-42 Cheyenne 400 · Performance Data
Overview
This document provides detailed specifications and performance data for the Piper PA-42 Cheyenne 400LS. It is intended for pilots and aviation enthusiasts who require precise information about the aircraft's capabilities, including power plants, weights, dimensions, and performance metrics under standard atmospheric conditions. The document outlines critical data such as cruise speeds, takeoff and landing distances, climb rates, and stall speeds, which are essential for flight planning and operational safety.
- Maximum takeoff weight: 12,050 lbs (5466 kg)
- Cruise speed at 35,000 ft: 334 kts (619 kph)
- Takeoff distance over 50 ft obstacle: 2,325 ft (709 m)
- Rate of climb at sea level: 3,242 fpm (988 m/m)
- Maximum usable fuel: 570 U.S. gal. (2158 L)
- Stall speed with flaps 30°: 84 kts (156 kph)
- Service ceiling with two engines: 41,000+ ft (12497+m)
Document
Source
Originally published by www.friendaircare.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Performance Data
- Pages
- 2
- File size
- 75 KB
- Publisher
- www.friendaircare.com
Specifications & performance
Extracted from this document.
Specifications
- Range (nm)
- 1,234
- Engine (hp)
- 1,000
- Height (ft)
- 17
- Length (ft)
- 43.4
- Propeller
- Dowty-Rotol
- Wingspan (ft)
- 47.7
- Engine model
- TPE 331-14
- Max speed (kt)
- 351
- Cruise speed (kt)
- 334
- Empty weight (lb)
- 7,565
- Fuel capacity (gal)
- 570
- Rate of climb (fpm)
- 3,242
- Service ceiling (ft)
- 41,000
- Max takeoff weight (lb)
- 12,050
Performance
- Landing over 50ft
- 2,038
- Takeoff over 50ft
- 2,325
- Landing distance (ft)
- 1,090
- Takeoff distance (ft)
- 1,425
- Stall speed clean (kt)
- 93
- Stall speed landing (kt)
- 84
V-speeds
- VR
- 107
- VS1
- 93
- VSO
- 84
Weight & balance
- Useful load (lb)
- 4,570
- Max ramp weight (lb)
- 12,135
- Baggage allowance (lb)
- 300
- Basic empty weight (lb)
- 7,565
- Max landing weight (lb)
- 11,100
- Max takeoff weight (lb)
- 12,050
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In this document
Specifications
The Cheyenne 400LS is powered by two Garrett TPE 331-14 engines, each producing 1,645 hp thermodynamic capability, with a flat rating of 1,000 hp. The aircraft has a maximum ramp weight of 12,135 lbs and a maximum takeoff weight of 12,050 lbs. The standard empty weight is 7,565 lbs, allowing for a useful load of 4,570 lbs. The wing area is 293 ft², with a wing loading of 41.1 lbs/ft².
Performance
Under standard atmospheric conditions, the Cheyenne 400LS achieves various cruise speeds at different altitudes, with a maximum cruise speed of 351 knots at 24,000 ft. The takeoff distance over a 50 ft obstacle is 2,325 ft, while the landing distance without propeller reversing is 1,090 ft. The rate of climb at sea level is 3,242 fpm with two engines at maximum weight.
Weights and Dimensions
The maximum landing weight is 11,100 lbs, and the maximum usable fuel capacity is 570 gallons. The aircraft dimensions include a wingspan of 47.7 ft, a length of 43.4 ft, and a height of 17.0 ft. The cabin dimensions are 275 in. in length, 51 in. in width, and 56 in. in height.
Full document text
CHEYENNE 400LS SPECIFICATIONS & PERFORMANCE SPECIFICATIONS POWER PLANTS Two Garrett Turbine Engine Company TPE 331-14 clockwise & counterclockwise rotation, 1540 RPM Thermodynamic Capability 1645 hp each Gearbox Limit 1250 hp each Flat Rated at 1000 hp each Two Dowty-Rotol 106” diameter 4 blade props, advanced carbon-epoxy composite blade structure advanced technology airfoil section ARA-D WEIGHTS Maximum ramp weight 12,135 lbs. (5503 kg) Maximum take-off weight 12,050 lbs. (5466 kg) Maximum landing weight 11,100 lbs. (5035 kg) Standard empty weight-equipped* 7565 lbs. (3431 kg) (includes: unusable fuel, full operating fluids and full oil) Standard useful load 4570 lbs. (2073 kg) Maximum zero fuel weight 10,000 lbs. (4536 kg) Maximum cabin load (equipped) 2435 lbs. (1105 kg) Maximum usable fuel 3819 lbs. (1732 kg) *Includes standard Collins avionics WING AREA/WING LOADING/POWER LOADING Wing area 293 ft.² (27.2 m²) Wing loading 41.1 lbs/ft.² (200.8 kg/m²) Power loading 6.02 lbs/hp (2.73 kg/hp) PRESSURIZATION (7.6 PSI Differential) Actual aircraft altitude Cabin Altitude 18,500 ft. (5639 m) Sea Level 35,000 ft. (10668 m) 8000 ft. (2438 m) 41,000 ft. (12497 m) 10,000 ft. (3048 m) USABLE FUEL (6.7 lbs./gal.) 570 U.S. gal. (2158 L) DIMENSIONS Wing span 47.7 ft. (14.53 m) Length 43.4 ft. (13.23 m) Height 17.0 ft. (5.18 m) Cabin length 275 in. (699 cm) Cabin width 51 in. (130 cm) Cabin height 56 in. (142 cm) Passenger door size 28 x 45 in. (71.2 x 114.3 cm) Nose baggage door size (forward) 24 x 12 in. (61.0 x 30.5 cm) Nose baggage door size (aft) 26 x 20 in. (66.0 x 50.8 cm) Utility door size (aft) 18 x 30 in. (45.7 x 76.2 cm) BAGGAGE – WEIGHT ALLOWANCE/VOLUME Rear baggage compartment 300 lbs./31 ft.³ (136 kg/.88 m³) Front baggage compartment 300 lbs./17 ft.³ (136 kg/.48 m³) F:\AIRCRAFT\CHEYENNE 400LS SPEC_PERF CHEYENNE 400LS SPECIFICATIONS & PERFORMANCE PERFORMANCE STANDARD ATMOSPHERE CONDITIONS CRUISE SPEEDS – TAS TAKE-OFF DISTANCE Mid-Cruise weight (10,000 lbs) Normal procedures at 12,050 lbs (5466 kg) (Maximum cruise power) Lift-off speed (IAS) 107 kts (198 kph) 24,000 ft (7315 m) 351 kts (650 kph) Ground run 1425 ft (434 m) 25,000 ft (7620 m) 350 kts (648 kph) Tot. dis. over 50 ft obstacle 2325 ft (709 m) 29,000 ft (8839 m) 346 kts (641 kph) 35,000 ft (10668 m) 334 kts (619 kph) LANDING DISTANCE 41,000 ft (12497 m) 294 kts (545 kph) Without propeller reversing Approach speed (IAS) 105 kts (195 kph) CRUISE RANGE* Ground roll 1090 ft (332 m) Maximum cruise power @ 35,000 ft. Tot. dis. over 50 ft obstacle 2317 ft (706 m) 8 pass. (1600 lbs) 1234 nm (2285 km) With propeller reversing 6 pass. (1200 lbs) 1466 nm (2715 km) Approach speed (IAS) 105 kts (195 kph) 4 pass. (800 lbs) 1690 nm (3130 km) Ground roll 820 ft (250 m) 2 pass. (400 lbs) 1821 nm (3372 km) Tot. dis. over 50 ft obstacle 2038 ft (621 m) Long range power @ 41,000 ft. 8 pass. 1431 nm (2650 km) DISTANCE TO ACCELERATE & STOP 6 pass. 1715 nm (3176 km) 12,050 lbs. (5466 kg) 4 pass 2002 nm (3708 km) (includes allowance for failure recog. & reaction) 2 pass. 2176 nm (4030 km) Decision Speed (IAS) 104 kts (192 kph) *Equipped Standard Airplane with Collins Av. Total distance 3180 ft (969 m) Includes 200-pound allowance for pilot. RATE OF CLIMB AT SEA LEVEL DISTANCE TO ACCELERATE & GO (Two engines) (includes allowance for failure recog. & reaction) 12,050 lbs (5466 kg) 3242 fpm (988 m/m) Tot. dis. over 50 ft obstacle 3160 ft (963 kg) 10,000 lbs (4536 kg) 4110 fpm (1253 m/m) Tot. dis. over 35 ft obstacle 2935 ft (895 m) (One engine) 12,050 lbs (5466 kg) 997 fpm (304 m/m) MISSION PROFILE (MAX CRUISE PWR) 10,000 lbs (4536 kg) 1450 fpm (442 m/m) Operation based on the following conditions: Basic empty weight 7565 lbs (3431 kg) SERVICE CEILING Ramp weight 12,135 lbs (5503 kg) Two Engines – 100 fpm Take-off weight 12,050 lbs (5466 kg) 12,050 lbs (5466 kg) 41,000+ft (12497+m) Mission length 1234 nm (2285 km) One Engine – 50 fpm Cruise altitude 35,000 ft (10668 m) 12,050 lbs (5466 kg) 27,000+ft (8230+m) Payload 8 pax plus 240 lbs 10,000 lbs (4536 kg) 30,500 ft (9296 m) Luggage 1,600 lbs (726 kg) Pilot weight allowance 200 lbs (91 kg) STALL SPEEDS IAS – Mission time 3 hrs. 49 min. Power idle at 12,050 lbs (5466 kg) Flaps 30° gear down 84 kts (156 kph) Flaps 0° gear up 93 kts (172 kph) F:\AIRCRAFT\CHEYENNE 400LS SPEC_PERF
What's in the Piper PA-42 Cheyenne 400 TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.