Specifications
Commander 115 TC Performance and Operating Limitations
Engine Management |
The turbo-supercharged engine in this particular
installation means simplified engine management is possible at all flight
levels. Maximum continuous cruise power (78%) is available at all flight
levels from sea level to 25,000 ft which is the Commander 115TC's
certified ceiling. |
Ceiling |
Operations above the certified ceiling of 25,000 ft
are prohibited. There are a number of reasons that dictate the
certified ceiling in aircraft certification, some of which are aerodynamic
limits but one factor that becomes critical at high altitudes is the
engine's cooling system ability to dissipate heat in the extremely thin
air encountered at high altitudes, notwithstanding the atmosphere's very
low ambient temperatures found at these altitudes.
|
Power Settings |
The maximum permitted continuous cruise power setting
for this engine is 29 In. Hg (manifold pressure boost) at 2400 RPM, which
translates to 78% power. This
power setting is available at all flight levels up to the certified
ceiling of 25,000 ft. Full rated power (37 In. Hg. @ 2575 RPM) may be used
until 6000 ft in a maximum performance climb.
However, the long-term use of power settings above the maximum
continuous power rating results in high engine wear, increased maintenance
costs, decreased engine life expectancy and it results in excessive fuel
consumption. |
CRUISE PERFORMANCE in Standard Atmospheric conditions
78%
Power: 29 In. Hg @ 2400 RPM |
|
4000 feet |
155 Kts |
8000 feet |
162 Kts |
12000 feet |
168 Kts |
16000 feet |
175 Kts |
20000 feet |
182 Kts |
24000 feet |
190 Kts |
71%
Power: 27 In. Hg @ 2300 RPM |
|
4000 feet |
150 Kts |
8000 feet |
155 Kts |
12000 feet |
161 Kts |
16000 feet |
168 Kts |
20000 feet |
175 Kts |
24000 feet |
182 Kts |
63%
Power: 25 In. Hg @ 2300 RPM |
|
4000 feet |
144 Kts |
8000 feet |
150 Kts |
12000 feet |
156 Kts |
16000 feet |
163 Kts |
20000 feet |
170 Kts |
24000 feet |
177 Kts |
TAKEOFF Performance in Standard Atmospheric conditions
Airport
Elevation (In Feet) |
Ground
Roll (Feet) |
Takeoff
over a 50 ft Obstacle (In Feet) |
Sea Level |
1250 |
2150 |
2,000 |
1450 |
2300 |
4,000 |
1700 |
2800 |
6,000 |
1970 |
3850 |
8,000 |
2300 |
6900 |
Airframe Operating Limitations
VA
- Maneuvering / Turbulent Air Penetration Speed |
|
---|---|
Speed
(KIAS) |
Aircraft
Weight (lbs.) |
117 |
3,305 |
113 |
3,000 |
103 |
2,491 |
VFE
- Maximum Flaps Extended Speed |
|
Speed
(KIAS) |
Flap
Setting (degrees) |
149 |
0 - 20 |
121 |
20 - 25 |
112 |
35 / full |
VLE
- Maximum Speed - Landing Gear Extended |
186 KIAS |
VLO - Maximum Gear Operating
Speed |
130 KIAS
(extend & retract) |
VNO - Maximum Structural
Cruising Speed |
162 KIAS
to 12,500 ft |
153 KIAS
at 15,000 ft |
145 KIAS
at 17,500 ft |
138 KIAS
at 20,000 ft |
130 KIAS
at 22,500 ft |
122 KIAS
at 25,000 ft |
VNE - Never Exceed Speed |
186 KIAS
to 12,500 ft |
176 KIAS
at 15,000 ft |
167 KIAS
at 17,500 ft |
158 KIAS
at 20,000 ft |
150 KIAS
at 22,500 ft |
141 KIAS
at 25,000 ft |
VS -
Stall Speed (at maximum weight) |
65 KIAS |
VS -
Stall Speed (Landing Configuration) |
60 KIAS |
VX
- Obstacle Clearance
Climb Speed |
85 KIAS |
VY
- Best Initial
Rate-of-Climb Speed |
75 KIAS |
Best
Glide Speed |
|
Weight
(lbs.) |
Speed (KIAS) |
3,305 | 85 |
3,000 | 81 |
2,491 |
74 |
Airspeeds for Emergency/Abnormal Operations |
|
Engine Failure After Takeoff |
|
Wing
Flaps Up |
Wing
Flaps 20o |
85 KIAS |
80 KIAS |
Maneuvering
Speeds |
|
Weight
(lbs.) |
Speed
(KIAS) |
3,305 |
117 |
3,000 |
113 |
2,494 |
103 |
Maximum
Glide Performance |
|
Weight
(lbs.) |
Speed
(KIAS) |
3,305 |
85 |
3,000 |
81 |
2,494 |
74 |
Precautionary Landing With
Engine Power |
|
With
Engine Power: |
75 KIAS |
Landing
without Engine Power |
|
Wing
Flaps Up |
Wing
Flaps Down |
85 KIAS |
75 KIAS |
Emergency Descent |
|||
Smooth
Air |
Rough
Air |
||
Altitude
(ft.) ASL |
Speed
(KIAS) |
Weight
(lbs.) |
Speed
(KIAS) |
25,000 |
139 |
3,305 |
117 |
22,500 |
149 |
3,000 |
113 |
20,000 |
157 |
2,491 |
103 |
17,500 |
167 |
|
|
15,000 |
176 |
|
|
12,500 |
187 (VNE) |
|
|
Engine
Manufacturer Textron Lycoming
Model
TIO-540-AG1A
Number of Cylinders 6
Displacement 541.5 cu. in. (8.87 l)
Maximum Power 270 HP @ 2,700 RPM
Recommended TBO 2,000 hours
Propeller
Manufacturer McCauley
Model B3D32C419/82 NHA-5
Type Constant-Speed, Hydraulic
Number of Blades 3
Diameter 77" (1.96 m)
Weights
Maximum Ramp 3,260 lbs. (1,478.71 kg)
Maximum Take-off 3,250 lbs. (1,474.17 kg)
Standard Empty 2,102 lbs. (953.45 kg)
Max Baggage Compartment 200 lbs. (90.72 kg)
Standard Useful Load 1,158 lbs. (525.26 kg)
Fuel & Oil Capacity
Fuel 90 US gal./88 usable
(340.65 liters/333.08 usable)
Oil 8 quarts (7.57 l)
Wing Area/Loadings
Wing Area 152 sq. ft. (14.12 sq. m)
Wing Loading 21.4 lbs./sq. ft.(104.48 kg/sq. m)
Power Loading 12.5 lbs./hp. (5.67 kg/hp)
Performance Speeds
Maximum 164 kts. (304 kph)
Performance Cruise (75% Power) 160 kts. (297 kph)
Economy Cruise (65% Power) 155 kts. (287 kph)
Long Range Cruise (55% Power) 149 kts. (276 kph)
Stall (Cruise Configuration) 60 kts. (111 kph)
Stall (Landing Configuration) 54 kts. (100 kph)
Takeoff Performance
Ground Roll 1,145 ft. (348.99 m)
Distance over 50 ft. Obstacle 1,985 ft. (605.02 m)
Climb Performance
Initial S.L. Rate of Climb 1,070 ft./min.(326.14 m/min.)
Service Ceiling 16,800 ft.(5,120.64 m)
Range
Range @ Performance Cruise 855 NM @ 14.3 gph.(54.13 lph)
Range @ Economy Cruise 940 NM @ 12.6 gph.(47.69 lph)
Range @ Long Range Cruise 1005 NM @ 11.2 gph.(42.39 lph)
Landing Performance
Ground Roll 720 ft. (219.46 m)
Distance over 50 ft. Obstacle 1,200 ft. (365.77 m)