| Family |
CFM56-5B |
|
| EASA ID |
3CM021 |
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 |
5.9 |
6 |
| Overall Pressure Ratio |
27.7 |
26.6 |
| Maximum Takeoff Thrust (kN) |
120.1 |
111.2 |
| Hydrocarbon Take Off (g/kg fuel) |
0.1 |
0.23 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.2 |
0.23 |
| Hydrocarbon Approach (g/kg fuel) |
5.3 |
0.4 |
| Hydrocarbon Idle (g/kg fuel) |
3.6 |
1.4 |
| Hydrocarbon Unitary Average (g/kN) |
9.2 |
2.6 |
| Hydrocarbon Unitary Sigma (g/kN) |
|
0.5 |
| Hydrocarbon Unitary Range (g/kN) |
8.2-10.1 |
2.3-3.2 |
| Hydrocarbon Unitary Characteristic (g/kN) |
12 |
4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
61.2 |
20.4 |
| Hydrocarbon LTO (g) |
1136 |
285 |
| Carbon Monoxide Take Off (g/kg fuel) |
1.4 |
0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) |
3.6 |
0.9 |
| Carbon Monoxide Approach (g/kg fuel) |
29.1 |
2.5 |
| Carbon Monoxide Idle (g/kg fuel) |
40.1 |
17.6 |
| Carbon Monoxide Unitary Average (g/kN) |
84.7 |
27.9 |
| Carbon Monoxide Unitary SD (g/kN) |
|
0.7 |
| Carbon Monoxide Unitary Range (g/kN) |
79-90.4 |
27-28.4 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
96.5 |
34.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
81.8 |
29 |
| NOx Take Off (g/kg fuel) |
18.4 |
24.6 |
| NOx Climb Out (g/kg fuel) |
13.6 |
19.6 |
| NOx Approach (g/kg fuel) |
6.5 |
8 |
| NOx Idle (g/kg fuel) |
3.9 |
4 |
| NOx Unitary Average (g/kN) |
31.7 |
40.5 |
| NOx Unitary SD (g/kN) |
|
0.6 |
| NOx Unitary Range (g/kN) |
31.1-32.4 |
39.9-40.9 |
| NOx Unitary Characteristic (g/kN) |
34.9 |
46.9 |
| NOx Unitaryto Standard (% of limit) |
36.6 |
50.4 |
| NOx Unitaryto CAEP2 (% of limit) |
45.7 |
63 |
| NOx Unitaryto CAEP4 (% of limit) |
55.1 |
76.3 |
| NOx Unitaryto CAEP6 (% of limit) |
62.6 |
86.7 |
| NOx Unitaryto CAEP8 (% of limit) |
74.4 |
103.5 |
| NOx LTO (g) |
3847 |
4506 |
| Smoke Take Off (SN) |
0.3 |
15.8 |
| Smoke Climb Out (SN) |
0.3 |
14 |
| Smoke Approach (SN) |
0.5 |
4.4 |
| Smoke Idle (SN) |
2 |
2.3 |
| Smoke Max (SN) |
2 |
15.8 |
| Smoke Sigma (SN) |
|
2 |
| Smoke Range (SN) |
1.8-2.2 |
13.5-17.3 |
| Smoke Characteristic (SN) |
2.3 |
20.3 |
| Smoke Characteristicto Regulatory (% of limit) |
10.2 |
88.5 |
| Fuel Flow Take Off (kg/s) |
1.14 |
1.051 |
| Fuel Flow Climbout (kg/s) |
0.95 |
0.862 |
| Fuel Flow Approach (kg/s) |
0.34 |
0.291 |
| Fuel Flow Idle (kg/s) |
0.12 |
0.1011 |
| Fuel LTO (kg) |
442 |
385 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
10400 |
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 |
|