| Family |
CFM56-5B |
CFM56-5A |
| EASA ID |
3CM022 |
4CM036 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A318, A319, A320, A321 |
Airbus A319, A320 |
| Dry Weight (kg) |
2381 |
2266 |
| Diameter (mm) |
1735 |
1735 |
| Max Rotating Diameter (mm) |
1735 |
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-II |
|
| High Pressure Compressor Stages |
1 |
|
| Low-Pressure Turbine Stages |
4 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
6 |
6 |
| Overall Pressure Ratio |
24.6 |
25.1 |
| Maximum Takeoff Thrust (kN) |
104.5 |
104.53 |
| Hydrocarbon Take Off (g/kg fuel) |
0.2 |
0.23 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.2 |
0.23 |
| Hydrocarbon Approach (g/kg fuel) |
0.4 |
0.45 |
| Hydrocarbon Idle (g/kg fuel) |
4.6 |
1.53 |
| Hydrocarbon Unitary Average (g/kN) |
7.9 |
2.8 |
| Hydrocarbon Unitary Range (g/kN) |
7.6-8.2 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
10.3 |
4.3 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
52.6 |
22 |
| Hydrocarbon LTO (g) |
849 |
297 |
| Carbon Monoxide Take Off (g/kg fuel) |
3.1 |
1.1 |
| Carbon Monoxide Climb Out (g/kg fuel) |
7.4 |
1.1 |
| Carbon Monoxide Approach (g/kg fuel) |
21.5 |
2.8 |
| Carbon Monoxide Idle (g/kg fuel) |
44.8 |
18.5 |
| Carbon Monoxide Unitary Average (g/kN) |
96.7 |
30.3 |
| Carbon Monoxide Unitary Range (g/kN) |
95.2-98.2 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
110.2 |
37.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
93.4 |
31.5 |
| NOx Take Off (g/kg fuel) |
14.2 |
24.79 |
| NOx Climb Out (g/kg fuel) |
11 |
19.98 |
| NOx Approach (g/kg fuel) |
8.7 |
8.94 |
| NOx Idle (g/kg fuel) |
3.6 |
4.29 |
| NOx Unitary Average (g/kN) |
28.8 |
41.8 |
| NOx Unitary Range (g/kN) |
28.4-29.2 |
|
| NOx Unitary Characteristic (g/kN) |
31.7 |
48.5 |
| NOx Unitaryto Standard (% of limit) |
35.5 |
53.7 |
| NOx Unitaryto CAEP2 (% of limit) |
44.4 |
67.1 |
| NOx Unitaryto CAEP4 (% of limit) |
54.3 |
81.9 |
| NOx Unitaryto CAEP6 (% of limit) |
61.7 |
93.1 |
| NOx Unitaryto CAEP8 (% of limit) |
74.6 |
112.2 |
| NOx LTO (g) |
3020 |
4367 |
| Smoke Take Off (SN) |
0.3 |
14.3 |
| Smoke Climb Out (SN) |
0.3 |
12.6 |
| Smoke Approach (SN) |
6.7 |
4.4 |
| Smoke Idle (SN) |
1.8 |
2.4 |
| Smoke Max (SN) |
6.7 |
14.3 |
| Smoke Range (SN) |
6.2-7.1 |
|
| Smoke Characteristic (SN) |
7.9 |
18.4 |
| Smoke Characteristicto Regulatory (% of limit) |
33.8 |
78.7 |
| Fuel Flow Take Off (kg/s) |
0.97 |
0.972 |
| Fuel Flow Climbout (kg/s) |
0.81 |
0.799 |
| Fuel Flow Approach (kg/s) |
0.31 |
0.276 |
| Fuel Flow Idle (kg/s) |
0.11 |
0.098 |
| Fuel LTO (kg) |
394 |
365 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
10205 |
3175 |
| 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 |
|