| Family |
CFM56-5B |
|
| EASA ID |
3CM022 |
1CM008 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A318, A319, A320, A321 |
|
| Dry Weight (kg) |
2381 |
|
| Diameter (mm) |
1735 |
|
| Max Rotating Diameter (mm) |
1735 |
|
| Length (mm) |
2601 |
|
| Wikipedia Article (URL) |
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 |
26.6 |
| Maximum Takeoff Thrust (kN) |
104.5 |
111.2 |
| 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 |
0.4 |
| Hydrocarbon Idle (g/kg fuel) |
4.6 |
1.4 |
| Hydrocarbon Unitary Average (g/kN) |
7.9 |
2.6 |
| Hydrocarbon Unitary Sigma (g/kN) |
|
0.5 |
| Hydrocarbon Unitary Range (g/kN) |
7.6-8.2 |
2.3-3.2 |
| Hydrocarbon Unitary Characteristic (g/kN) |
10.3 |
4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
52.6 |
20.4 |
| Hydrocarbon LTO (g) |
849 |
285 |
| Carbon Monoxide Take Off (g/kg fuel) |
3.1 |
0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) |
7.4 |
0.9 |
| Carbon Monoxide Approach (g/kg fuel) |
21.5 |
2.5 |
| Carbon Monoxide Idle (g/kg fuel) |
44.8 |
17.6 |
| Carbon Monoxide Unitary Average (g/kN) |
96.7 |
27.9 |
| Carbon Monoxide Unitary SD (g/kN) |
|
0.7 |
| Carbon Monoxide Unitary Range (g/kN) |
95.2-98.2 |
27-28.4 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
110.2 |
34.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
93.4 |
29 |
| NOx Take Off (g/kg fuel) |
14.2 |
24.6 |
| NOx Climb Out (g/kg fuel) |
11 |
19.6 |
| NOx Approach (g/kg fuel) |
8.7 |
8 |
| NOx Idle (g/kg fuel) |
3.6 |
4 |
| NOx Unitary Average (g/kN) |
28.8 |
40.5 |
| NOx Unitary SD (g/kN) |
|
0.6 |
| NOx Unitary Range (g/kN) |
28.4-29.2 |
39.9-40.9 |
| NOx Unitary Characteristic (g/kN) |
31.7 |
46.9 |
| NOx Unitaryto Standard (% of limit) |
35.5 |
50.4 |
| NOx Unitaryto CAEP2 (% of limit) |
44.4 |
63 |
| NOx Unitaryto CAEP4 (% of limit) |
54.3 |
76.3 |
| NOx Unitaryto CAEP6 (% of limit) |
61.7 |
86.7 |
| NOx Unitaryto CAEP8 (% of limit) |
74.6 |
103.5 |
| NOx LTO (g) |
3020 |
4506 |
| Smoke Take Off (SN) |
0.3 |
15.8 |
| Smoke Climb Out (SN) |
0.3 |
14 |
| Smoke Approach (SN) |
6.7 |
4.4 |
| Smoke Idle (SN) |
1.8 |
2.3 |
| Smoke Max (SN) |
6.7 |
15.8 |
| Smoke Sigma (SN) |
|
2 |
| Smoke Range (SN) |
6.2-7.1 |
13.5-17.3 |
| Smoke Characteristic (SN) |
7.9 |
20.3 |
| Smoke Characteristicto Regulatory (% of limit) |
33.8 |
88.5 |
| Fuel Flow Take Off (kg/s) |
0.97 |
1.051 |
| Fuel Flow Climbout (kg/s) |
0.81 |
0.862 |
| Fuel Flow Approach (kg/s) |
0.31 |
0.291 |
| Fuel Flow Idle (kg/s) |
0.11 |
0.1011 |
| Fuel LTO (kg) |
394 |
385 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
10205 |
3093 |
| Compressor Description |
1 fan, 4-stage LP, 9-stage HP |
|
| Emissions Data Status |
C |
R |
| Engine Status |
Out of production |
Out of production |
| Turbine Description |
1-stage HP, 4-stage LP |
|