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Cheyenne 400 LS Aircraft Specifications
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Cheyenne 400 LS Performance Specs |
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Airframe
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Length
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43'
5"
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13.23
m
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Height
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17'
0"
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5.18
m
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Wing
span
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47'
8"
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14.53
m
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Usable
Fuel- Jet A Type
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580
Gal
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2,195
L
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| Tanks |
Capacity-
(Gallons) |
| Left
Main |
250 |
| Right
Main |
250 |
| Left
Aux. |
40 |
| Right
Aux. |
40 |
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Gross
weight
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12,050
Lbs
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5,470
Kg
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Empty
weight
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5,986
Lbs
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2,717
Kg
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Retractable
landing gear
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Performance
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Cruise
speed
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334
Kts
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384
Mph
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618
Km/h
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| Top
Speed: |
In excess of 400 MPH at some altitudes, a more typical high altitude cruise being 327 KIAS at 39,000 feet for a total of 595 pounds fuel / hour |
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Service
ceiling
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41,000
Ft
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12,496
m
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Engine
out service ceiling
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28,700
Ft
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8,747
m
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Rate
of climb
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3,242
Ft/min
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16.4
m/s
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Engine
out rate of climb
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997
Ft/min
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5.0
m/s
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Takeoff
over 50 Ft (15m)
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1,930
Ft
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588
m
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Landing
over 50 Ft (15m)
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2,280
Ft
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694
m
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Range
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1,879
nm
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2,162
sm
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3,479
Km
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Cabin
- Pressurized
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Length
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17'
8"
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5.38
m
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Height
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4'
8"
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1.42
m
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Width
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4'
4"
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1.32
m
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Passengers
(max, including crew)
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9
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Airspeed Limitations
The following chart provides you with the airspeed
limitations for the Cheyenne 400 LS. For information on the terminology,
please refer to the General Airspeed Terminology section of the POH.
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Speed
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KCAS
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KIAS
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Remarks
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Vmo
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246
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244
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Do not exceed up to
27000’
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Va – 12000 lb
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189
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187
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Va – 7600 lbs
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157
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155
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Vfe – 10 flap
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196
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194
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Vfe – 30 flap
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169
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167
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Vle
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172
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170
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Do not exceed with
gear extended
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Vlo – extension
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172
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170
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Vlo – retraction
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172
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170
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Vmca
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101
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99
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Lowest airspeed the
aircraft is controllable with 1 engine
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Vso
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86
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84
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Stall speed gear down
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Vsi – flaps up
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95
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93
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Stall speed with gear
up
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Vsi – flaps 10
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92
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90
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“
“
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Propulsion
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Constant
speed propellers
-
Full
feathering and Reversible
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Number
of engines
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2
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Type
of engines
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Turbine
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Manufacturer
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Garrett
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Left(cw
rotation)
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TPE33l-l4A
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Right(ccw
rotation)
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TPE33l-l4B
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Rated
Horsepower
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1,000
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Propeller Speed
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1540 RPM
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Engine Type
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Single
fixed-shaft turboprop
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Compressor
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Stages
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2
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Type
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Centrifugal
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Turbine
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Stages
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3
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Type
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Axial
flow
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Combustion
Chamber
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Annular
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TBO
in the US
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3,000 hrs.
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Propeller
Manufacturer
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Dowty
Rotol
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Blade Model
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Left
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R339/4-123-F/8
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Right
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R341/4-123-F/9
4
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Number of
blades
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4
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Propeller Type
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Hydraulically
operated
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Propeller
Diameter
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106"
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Airspeeds for Safe Operation
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Condition
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Speed
KIAS
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Design Maneuvering Speed
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12,050 lbs.
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187
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7,600 lbs.
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155
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Maximum Flap Extended Speed
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117
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100% flaps (Approach)
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194
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30° flaps (Landing)
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167
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Maximum Gear Extended Speed
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170
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Maximum Gear Operating Speed
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Retraction
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170
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Extension
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170
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Best Rate of Climb Speed
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Below 25,000 ft, no Flaps
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138
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Above 25,000 ft, decrease by I knot per 1000
ft
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Final Approach Speed (11,100 Ib)
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105
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Intentional One Engine Inoperative Speed
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125
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Recommended Holding Speed
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Sea level to 15,000 ft
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150
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Above 25,000 decrease by 1 knot per 1,000
ft
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Balked Landing Climb (11,100 lb)
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110
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Rough Air Penetration Speed (below 25,000 ft)
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195
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Best Glide Speed
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Weight
(Lbs.)
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Speed
KIAS
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12,050
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136
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11,000
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130
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10,000
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124
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9,000
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117
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8,000
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111
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Airspeed
Indicator Markings
Markings
found on the Airspeed
Indicator
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Marking
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KIAS Value/Range
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Significance
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Green
Arc
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93
to 244
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Normal
Operating Range
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White
Arc
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84
to 167
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Flaps
Extended 30 o
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Radial
Red Line
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99
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Air
Minimum Control Speed
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Radial
Blue Line
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125
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Best
Rate of Climb, One Engine
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Weight
Limits
It
is the responsibility of the airplane owner and pilot to assure that the
aircraft is properly loaded. Maximum and minimum allowable weights are listed
below.
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Type
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Weight
(Lbs.)
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Maximum
Ramp Weight
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12,135
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Maximum
Takeoff Weight
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12,050
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Maximum
Landing Weight
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11,100
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Maximum Zero Fuel Weight
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10,000
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Maximum Weights in Baggage Compartments
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Forward
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300
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Aft
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400
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General Limitations
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Use of Continuous Ignition |
Ignition must be turned ON prior to landing and
remain ON until the landing is completed or until climb has been established
following a balked landing. |
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Crossfeed Limitation |
Crossfeed is not approved for takeoff or landing. |
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Maximum Fuel Imbalance |
The maximum allowable fuel imbalance between wing
fuel systems is 500 pounds. |
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Starter Limitations |
Use of the starters is limited to 30 seconds ON, I
minute OFF, 30 seconds ON, I minute OFF, 30 seconds ON, 30 minutes OFF
before a fourth start may be attempted. Series starts are not approved when
ambient temperatures exceed 10°C. |
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Maneuver Limits |
No acrobatic maneuvers, including spins are
approved. |
Flight Maneuvering Load Factor Limits
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Positive Load Factor (flaps Up) 3.19 g
Negative Load Factor (Flaps Up) -1.28 g
Positive Load Factor (Flaps Down) 2.00 g
NOTE: No inverted maneuvers approved. |
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Crew Limits |
Minimum Crew One Pilot |
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