| Family |
CFM56-5B |
CFM56-5C |
| EASA ID |
4CM038 |
7CM046 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A318, A319, A320, A321 |
Airbus A340-200/-300 |
| Dry Weight (kg) |
2381 |
3990 |
| Diameter (mm) |
1735 |
1836 |
| Max Rotating Diameter (mm) |
1735 |
1836 |
| 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-II |
SAC |
| High Pressure Compressor Stages |
1 |
|
| Low-Pressure Turbine Stages |
4 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.6 |
6.7 |
| Overall Pressure Ratio |
32.8 |
29.2 |
| Maximum Takeoff Thrust (kN) |
142.4 |
143.33 |
| Hydrocarbon Take Off (g/kg fuel) |
0.1 |
0 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.1 |
0 |
| Hydrocarbon Approach (g/kg fuel) |
2.9 |
0 |
| Hydrocarbon Idle (g/kg fuel) |
2.5 |
5.4 |
| Hydrocarbon Unitary Average (g/kN) |
5.57 |
6.6 |
| Hydrocarbon Unitary Range (g/kN) |
5.1-6 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
7.3 |
10.2 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
37 |
52 |
| Hydrocarbon LTO (g) |
807 |
943 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.6 |
0.8 |
| Carbon Monoxide Climb Out (g/kg fuel) |
1.3 |
0.7 |
| Carbon Monoxide Approach (g/kg fuel) |
19.9 |
1.9 |
| Carbon Monoxide Idle (g/kg fuel) |
34.5 |
33.4 |
| Carbon Monoxide Unitary Average (g/kN) |
62.79 |
42.8 |
| Carbon Monoxide Unitary Range (g/kN) |
59.3-66.3 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
71.5 |
52.6 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
60.6 |
44.6 |
| NOx Take Off (g/kg fuel) |
32 |
31.6 |
| NOx Climb Out (g/kg fuel) |
18.6 |
25.1 |
| NOx Approach (g/kg fuel) |
7.8 |
9.6 |
| NOx Idle (g/kg fuel) |
4.3 |
4 |
| NOx Unitary Average (g/kN) |
44.93 |
47.8 |
| NOx Unitary Range (g/kN) |
44.3-45.5 |
|
| NOx Unitary Characteristic (g/kN) |
49.4 |
55.4 |
| NOx Unitaryto Standard (% of limit) |
46.8 |
56.3 |
| NOx Unitaryto CAEP2 (% of limit) |
58.5 |
70.4 |
| NOx Unitaryto CAEP4 (% of limit) |
68.1 |
84.3 |
| NOx Unitaryto CAEP6 (% of limit) |
76.5 |
95.8 |
| NOx Unitaryto CAEP8 (% of limit) |
88.7 |
113.1 |
| NOx LTO (g) |
6420 |
6858 |
| Smoke Take Off (SN) |
0.5 |
11.6 |
| Smoke Climb Out (SN) |
0.3 |
9 |
| Smoke Approach (SN) |
0.5 |
1 |
| Smoke Idle (SN) |
2.3 |
1.1 |
| Smoke Max (SN) |
2.25 |
11.6 |
| Smoke Range (SN) |
2.1-2.4 |
|
| Smoke Characteristic (SN) |
2.6 |
14.9 |
| Smoke Characteristicto Regulatory (% of limit) |
12.3 |
69.5 |
| Fuel Flow Take Off (kg/s) |
1.47 |
1.316 |
| Fuel Flow Climbout (kg/s) |
1.15 |
1.085 |
| Fuel Flow Approach (kg/s) |
0.4 |
0.355 |
| Fuel Flow Idle (kg/s) |
0.13 |
0.112 |
| Fuel LTO (kg) |
512 |
458 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
9141 |
6142 |
| 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 |
|