| Family |
CFM56-5C |
CFM56-5B |
| EASA ID |
1CM010 |
2CM017 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A340-200/-300 |
Airbus A318, A319, A320, A321 |
| Dry Weight (kg) |
3990 |
2381 |
| Diameter (mm) |
1836 |
1735 |
| Max Rotating Diameter (mm) |
1836 |
1735 |
| Length (mm) |
|
2601 |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
| Fuel |
Jet A |
Jet A |
| Fan Blades |
|
36 |
| Geared Fan |
No |
No |
| Low-Pressure Compressor Stages |
|
4 |
| High-Pressure Compressor Stages |
|
9 |
| Combustion Chamber |
|
DAC |
| High Pressure Compressor Stages |
|
1 |
| Low-Pressure Turbine Stages |
|
4 |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
6.8 |
5.7 |
| Overall Pressure Ratio |
28.8 |
31.2 |
| Maximum Takeoff Thrust (kN) |
138.78 |
137.9 |
| Hydrocarbon Take Off (g/kg fuel) |
0.008 |
0.1 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.008 |
0.1 |
| Hydrocarbon Approach (g/kg fuel) |
0.082 |
8.4 |
| Hydrocarbon Idle (g/kg fuel) |
5.68 |
1.7 |
| Hydrocarbon Unitary Average (g/kN) |
7.56 |
8.1 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.59 |
|
| Hydrocarbon Unitary Range (g/kN) |
6.9-8.01 |
7.9-8.9 |
| Hydrocarbon Unitary Characteristic (g/kN) |
11.6 |
10.5 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
59.4 |
53.6 |
| Hydrocarbon LTO (g) |
1050 |
1128 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.93 |
0.4 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.8 |
1.7 |
| Carbon Monoxide Approach (g/kg fuel) |
1.75 |
35.8 |
| Carbon Monoxide Idle (g/kg fuel) |
34 |
33.7 |
| Carbon Monoxide Unitary Average (g/kN) |
47.2 |
75.4 |
| Carbon Monoxide Unitary SD (g/kN) |
1.71 |
|
| Carbon Monoxide Unitary Range (g/kN) |
45.4-48.8 |
70-80.9 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
57.9 |
85.9 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
49.1 |
72.8 |
| NOx Take Off (g/kg fuel) |
32.6 |
29.57 |
| NOx Climb Out (g/kg fuel) |
25.8 |
15.86 |
| NOx Approach (g/kg fuel) |
10 |
7.24 |
| NOx Idle (g/kg fuel) |
4.19 |
4.82 |
| NOx Unitary Average (g/kN) |
50.9 |
41.8 |
| NOx Unitary SD (g/kN) |
0.04 |
|
| NOx Unitary Range (g/kN) |
50.89-50.96 |
40.7-42.8 |
| NOx Unitary Characteristic (g/kN) |
59 |
46 |
| NOx Unitaryto Standard (% of limit) |
60.5 |
44.9 |
| NOx Unitaryto CAEP2 (% of limit) |
75.6 |
56.2 |
| NOx Unitaryto CAEP4 (% of limit) |
90.7 |
66.3 |
| NOx Unitaryto CAEP6 (% of limit) |
103 |
75 |
| NOx Unitaryto CAEP8 (% of limit) |
121.8 |
87.6 |
| NOx LTO (g) |
7077 |
5756 |
| Smoke Take Off (SN) |
11.1 |
0.5 |
| Smoke Climb Out (SN) |
8.5 |
0.5 |
| Smoke Approach (SN) |
1 |
2.3 |
| Smoke Idle (SN) |
1.1 |
3.5 |
| Smoke Max (SN) |
11.1 |
4.75 |
| Smoke Sigma (SN) |
1.6 |
|
| Smoke Range (SN) |
9.3-12.1 |
4.5-5 |
| Smoke Characteristic (SN) |
14.3 |
5.6 |
| Smoke Characteristicto Regulatory (% of limit) |
66 |
25.8 |
| Fuel Flow Take Off (kg/s) |
1.308 |
1.406 |
| Fuel Flow Climbout (kg/s) |
1.076 |
1.132 |
| Fuel Flow Approach (kg/s) |
0.3558 |
0.377 |
| Fuel Flow Idle (kg/s) |
0.1175 |
0.131 |
| Fuel LTO (kg) |
466 |
503 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
6546 |
10404 |
| Compressor Description |
|
1 fan, 4-stage LP, 9-stage HP |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |
| Turbine Description |
|
1-stage HP, 4-stage LP |