| Family |
CFM56-5B |
CFM56-5C |
| EASA ID |
3CM023 |
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 |
|
SAC |
| High Pressure Compressor Stages |
1 |
|
| Low-Pressure Turbine Stages |
4 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.7 |
6.8 |
| Overall Pressure Ratio |
30.47 |
28.2 |
| Maximum Takeoff Thrust (kN) |
133.45 |
137.61 |
| Hydrocarbon Take Off (g/kg fuel) |
0.1 |
0 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.2 |
0 |
| Hydrocarbon Approach (g/kg fuel) |
0.5 |
0 |
| Hydrocarbon Idle (g/kg fuel) |
3.7 |
5.8 |
| Hydrocarbon Unitary Average (g/kN) |
5.29 |
7.2 |
| Hydrocarbon Unitary Characteristic (g/kN) |
8.2 |
11.1 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
41.8 |
56.6 |
| Hydrocarbon LTO (g) |
710 |
986 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.9 |
0.8 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.9 |
0.7 |
| Carbon Monoxide Approach (g/kg fuel) |
2 |
2.1 |
| Carbon Monoxide Idle (g/kg fuel) |
19.8 |
35.1 |
| Carbon Monoxide Unitary Average (g/kN) |
28.05 |
45.7 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
34.4 |
56.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
29.2 |
47.6 |
| NOx Take Off (g/kg fuel) |
33 |
29.7 |
| NOx Climb Out (g/kg fuel) |
26.2 |
23.8 |
| NOx Approach (g/kg fuel) |
10.7 |
9.3 |
| NOx Idle (g/kg fuel) |
4.5 |
3.9 |
| NOx Unitary Average (g/kN) |
53.38 |
45.4 |
| NOx Unitary Characteristic (g/kN) |
61.9 |
52.6 |
| NOx Unitaryto Standard (% of limit) |
61.3 |
54.6 |
| NOx Unitaryto CAEP2 (% of limit) |
76.7 |
68.2 |
| NOx Unitaryto CAEP4 (% of limit) |
91.1 |
82.1 |
| NOx Unitaryto CAEP6 (% of limit) |
103.3 |
93.2 |
| NOx Unitaryto CAEP8 (% of limit) |
121.2 |
110.5 |
| NOx LTO (g) |
7112 |
6240 |
| Smoke Take Off (SN) |
4.9 |
10.7 |
| Smoke Climb Out (SN) |
5.2 |
8.4 |
| Smoke Approach (SN) |
0.2 |
1 |
| Smoke Idle (SN) |
0.5 |
1.1 |
| Smoke Max (SN) |
5.4 |
10.7 |
| Smoke Characteristic (SN) |
7 |
13.8 |
| Smoke Characteristicto Regulatory (% of limit) |
32 |
63.6 |
| Fuel Flow Take Off (kg/s) |
1.295 |
1.252 |
| Fuel Flow Climbout (kg/s) |
1.058 |
1.035 |
| Fuel Flow Approach (kg/s) |
0.345 |
0.342 |
| Fuel Flow Idle (kg/s) |
0.11 |
0.109 |
| Fuel LTO (kg) |
448 |
441 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
3738 |
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 |
|