| Family |
CFM56-5B |
CFM56-5C |
| EASA ID |
4CM037 |
7CM045 |
| 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 |
6.8 |
| Overall Pressure Ratio |
31.6 |
28.2 |
| Maximum Takeoff Thrust (kN) |
137.9 |
137.61 |
| Hydrocarbon Take Off (g/kg fuel) |
0.1 |
0 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.1 |
0 |
| Hydrocarbon Approach (g/kg fuel) |
3.3 |
0 |
| Hydrocarbon Idle (g/kg fuel) |
2.7 |
5.8 |
| Hydrocarbon Unitary Average (g/kN) |
6.13 |
7.2 |
| Hydrocarbon Unitary Range (g/kN) |
5.6-6.7 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
8 |
11.1 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
40.7 |
56.6 |
| Hydrocarbon LTO (g) |
877 |
986 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.7 |
0.8 |
| Carbon Monoxide Climb Out (g/kg fuel) |
1.6 |
0.7 |
| Carbon Monoxide Approach (g/kg fuel) |
21.4 |
2.1 |
| Carbon Monoxide Idle (g/kg fuel) |
35.5 |
35.1 |
| Carbon Monoxide Unitary Average (g/kN) |
66.47 |
45.7 |
| Carbon Monoxide Unitary Range (g/kN) |
62.6-70.3 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
75.7 |
56.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
64.2 |
47.6 |
| NOx Take Off (g/kg fuel) |
29.4 |
29.7 |
| NOx Climb Out (g/kg fuel) |
17.5 |
23.8 |
| NOx Approach (g/kg fuel) |
7.6 |
9.3 |
| NOx Idle (g/kg fuel) |
4.2 |
3.9 |
| NOx Unitary Average (g/kN) |
42.12 |
45.4 |
| NOx Unitary Range (g/kN) |
41.4-42.9 |
|
| NOx Unitary Characteristic (g/kN) |
46.3 |
52.6 |
| NOx Unitaryto Standard (% of limit) |
44.9 |
54.6 |
| NOx Unitaryto CAEP2 (% of limit) |
56.1 |
68.2 |
| NOx Unitaryto CAEP4 (% of limit) |
66 |
82.1 |
| NOx Unitaryto CAEP6 (% of limit) |
74.5 |
93.2 |
| NOx Unitaryto CAEP8 (% of limit) |
86.8 |
110.5 |
| NOx LTO (g) |
5844 |
6240 |
| Smoke Take Off (SN) |
0.5 |
10.7 |
| Smoke Climb Out (SN) |
0.3 |
8.4 |
| Smoke Approach (SN) |
0.5 |
1 |
| Smoke Idle (SN) |
2.2 |
1.1 |
| Smoke Max (SN) |
2.15 |
10.7 |
| Smoke Range (SN) |
2-2.3 |
|
| Smoke Characteristic (SN) |
2.5 |
13.8 |
| Smoke Characteristicto Regulatory (% of limit) |
11.6 |
63.6 |
| Fuel Flow Take Off (kg/s) |
1.39 |
1.252 |
| Fuel Flow Climbout (kg/s) |
1.11 |
1.035 |
| Fuel Flow Approach (kg/s) |
0.39 |
0.342 |
| Fuel Flow Idle (kg/s) |
0.13 |
0.109 |
| Fuel LTO (kg) |
501 |
441 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
9478 |
6278 |
| 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 |
|