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CHEYENNE III SPECIFICATIONS & PERFORMANCE

Piper PA-42 Cheyenne III · Systems Description

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Overview

The document provides detailed specifications and performance data for the Piper Cheyenne III aircraft. It includes information on power plants, weights, dimensions, and various performance metrics such as cruise speeds and take-off distances.

  • Gross weight is 11,200 lbs.
  • Powered by two Pratt and Whitney PT6A-41 engines rated at 720 hp each.
  • Maximum take-off weight is 11,200 lbs.
  • Cruise range can reach up to 2,240 nautical miles.
  • Service ceiling is 32,000 ft.
  • Standard empty weight is 6,389 lbs.
  • Usable fuel capacity is 578 U.S. gallons.
  • Wing area is 293 ft².

Document

Source

Originally published by friendaircare.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
·
Systems Description
File size
·
87 KB
Publisher
·
friendaircare.com
Language
·
en

Specifications & performance

Extracted from this document.

Specifications

Wing area sqft
·
293
Oil capacity (gal)
·
6.5
Max ramp weight (lb)
·
11285
Max landing weight (lb)
·
10330
Max takeoff weight (lb)
·
11200
Standard useful load (lb)
·
4896
Standard empty weight (lb)
·
6389
Max zero fuel gross weight (lb)
·
9350

Performance

Cruise speed (kt)
·
290
Rate of climb (fpm)
·
2236
Service ceiling (ft)
·
32000
Landing distance (ft)
·
1757
Takeoff distance (ft)
·
2560

V-speeds

VREF_KIAS
·
105
STALL_SPEED_FLAPS_0_KIAS
·
100
STALL_SPEED_FLAPS_30_KIAS
·
87

Weight & balance

Useful load (lb)
·
4896
Empty weight (lb)
·
6389
Max gross weight (lb)
·
11200
About this document
What is the CHEYENNE III SPECIFICATIONS & PERFORMANCE?

The CHEYENNE III SPECIFICATIONS & PERFORMANCE is a systems description for the Piper PA-42 Cheyenne III.

Where does the CHEYENNE III SPECIFICATIONS & PERFORMANCE come from?

This copy of the CHEYENNE III SPECIFICATIONS & PERFORMANCE was originally published by friendaircare.com and is hosted on Sprinkle as a free, searchable reference copy.

Documentation completeness
4/7

Most owners only have the POH. Here's the essential set for the Piper PA-42 Cheyenne III.

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In this document

Specifications

Details the power plants, weights, wing area, and loading characteristics of the Cheyenne III.

Performance

Outlines cruise speeds, take-off distances, landing distances, and climb rates under various conditions.

Weights

Lists maximum ramp weight, take-off weight, landing weight, and useful load.

Dimensions

Provides measurements for wing span, length, height, and cabin dimensions.

Baggage Capacity

Specifies weight allowances and volume for rear and front baggage compartments.

Pressurization

Describes cabin altitude at various aircraft altitudes.

Full document text

F:\AIRCRAFT\CHEYENNE III SPEC_PERF.doc CHEYENNE III SPECIFICATIONS & PERFORMANCE 11,200 lbs. gross weight SPECIFICATIONS POWER PLANTS Two Pratt and Whitney (UACL) PT6A-41, flat rated at 720 shaft hp each WEIGHTS Maximum ramp weight 11,285 lbs. (5118 kg) Maximum take-off weight 11,200 lbs. (5080 kg) Maximum landing weight 10,330 lbs. (4686 kg) Standard empty weight 6,389 lbs. (2898 kg) (includes: unusable fuel, full operating fluids and full oil) Standard useful load 4,896 lbs. (2221 kg) Maximum zero fuel gross weight 9,350 lbs. (4241 kg) (200 lbs in nacelles) WING AREA/WING LOADING/POWER LOADING Wing area 293 ft.² (27.2m²) Wing loading 38.22 lbs./ft.² (186.6 kg/m²) Power loading 7.78 lbs./hp (3.53 kg/hp) PRESSURIZATION (6.3 PSI Differential) Actual aircraft altitude Cabin Altitude 14,600 ft. (4450 m) Sea Level 28,500 ft. (8687 m) 8000 ft. (2438 m) 33,000 ft. (10,058 m) 10,000 ft. (3048 m) USABLE FUEL (6.7 lbs./gal.) 578 U.S. gal. (2188 L) OIL CAPACITY (Total) 6.5 U.S. gal. (24.6 L) DIMENSIONS Wing span 47.67 ft. (14.53 m) Length 43.39 ft. (13.23 m) Height 14.75 ft. (4.5 m) Cabin length 275 in. (699 cm) Cabin width 51 in. (130 cm) Cabin height 52 in. (132 cm) Passenger door size 29 x 46 in. (73.7 x 116.8 cm) Baggage door size (forward) 24 x 20 in. (61.0 x 50.8 cm) Utility door size (aft) 18.5 x 30 in. (47.0 x 76.2 cm) Wing locker door size 24 x 34 in. (61.0 x 86.4 cm) BAGGAGE – WEIGHT ALLOWANCE AND VOLUME Rear baggage compartment 300 lbs. (31 ft.³) 136 kg (.88 m³) Front baggage compartment 300 lbs. (16.25 ft.³) 136 kg (.46 m³) Wing locker compartments 200 lbs. (11.2 ft³) 91 kg (.32 m³) F:\AIRCRAFT\CHEYENNE III SPEC_PERF.doc CHEYENNE III SPECIFICATIONS & PERFORMANCE PERFORMANCE CRUISE SPEEDS – TAS TAKE-OFF DISTANCE Flaps 0 °°°° Average Cruise weight Normal procedures at 11,200 lbs. (5080 kg) (Maximum cruise power @ 9100 lbs.) Lift-off speed (IAS) 107 kts. (198 kmh) 20,000 ft. (6096 m) 290 kts. (537 kmh) Ground run 2560 ft. (780 m) 25,000 ft. (7620 m) 285 kts. (528 kmh) Tot. dis. over 50 ft. obstacle 3230 ft. (985 m) 30,000 ft. (9144 m) 276 kts. (511 kmh) TAKE-OFF DISTANCE (w/Autofeather) 33,000 ft. (10,058 m) 265 kts. (491 kmh) Flaps 10 °°°° Normal procedures at 11,200 lbs. (5080 kg) CRUISE RANGE (578 gal. usable) Lift-Off speed (IAS) 95 kts. (176 kmh) Maximum cruise power Ground run 1744 ft. (532 m) 20,000 ft. (6096 m) 1400 nm (2593 km) Tot. dis. over 50 ft. obstacle 2384 ft. (727 m) 25,000 ft. (7620 m) 1610 nm (2982 km) 30,000 ft. (9144 m) 1850 nm (3426 km) LANDING DISTANCE 10,330 lbs. (4686 kg) 33,000 ft. (10,058 m) 2000 nm (3704 km) Approach speed (IAS) 105 kts. (194 kmh) Maximum range power Ground roll 1757 ft. (536 m) 20,000 ft. (6096 m) 1785 nm (3306 km) Tot. dis. over 50ft. obstacle 2554 ft. (778 m) 25,000 ft. (7620 m) 2010 nm (3723 km) With propeller reversing 30,000 ft. (9144 m) 2180 nm (4037 km) Approach speed (IAS) 105 kts. (194 kmh) 33,000 ft. (10,058 m) 2240 nm (4148 km) Ground roll 1337 ft. (408 m) Range includes allowance for fuel used during Tot. dis. over 50 ft. obstacle 2135 ft. (651 m) starting, taxi, takeoff, climb, cruise, descent and a 45 minute reserve at maximum range DISTANCE TO ACCELERATE AND STOP - power and standard atmospheric conditions. 11,200 lbs. (5080 kg) Flaps 0°°°° (includes allowance for failure recog. & reaction) RATE OF CLIMB AT SEA LEVEL Decision speed (IAS) 107 kts. (198 kmh) (Two engines) Total distance 3985 ft. (1215 m) 11,200 lbs. (5080 kg) 2236 fpm (682 m/m) 9,000 lbs. (4082 kg) 3050 fpm (930 m/m) DISTANCE TO ACCELERATE AND STOP - (One engine) 11,200 lbs. (5080 kg) (w/Autofeather) 11,200 lbs. (5080 kg) 531 fpm (162 m/m) Flaps 10° (includes allowance for failure recog. 9,000 lbs. (4082 kg) 899 fpm (274 m/m) & reaction) Decision speed (IAS) 95 kts. (176 kmh) SERVICE CEILING Total distance 3363 ft. (1025 m) (Two engines – 100 fpm) 11,200 lbs. (5080 kg) 32,000 ft. (9754 m) MISSION PROFILE (One engine – 50 fpm) Operation based on the following conditions: 11,200 lbs. (5080 kg) 18,200 ft. (5547 m) Empty weight 6,550 lbs. (2971 kg) 9,000 lbs. (4082 kg) 25,400 ft. (7742 m) Ramp weight 11,285 lbs. (5119 kg) Take-Off weight 11,200 lbs. (5080 kg) STALL SPEEDS IAS – Maximum cruise power at 30,000 ft. (9144 m) Power idle at 11,200 lbs. (5080 kg) 8 occupants, plus 160 lbs. (73 kg) luggage, and Flaps 30° gear down 87 kts. (161 kmh) 3215 lbs. (1458 kg) of fuel before starting engines Flaps 0° gear up 100 kts. (185 kmh) Range 1446 nm (2678 km) Speed (Average) 268 kts. (496 kmh) Mission Time 5 hrs., 24 min.