| Family |
CFM56-5B |
CFM56-5B |
CFM56-5B |
CFM56-5B |
| EASA ID |
3CM027 |
7CM050 |
7CM049 |
2CM019 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
Turbofan |
Turbofan |
| Comment |
Airbus A318, A319, A320, A321 |
Airbus A318, A319, A320, A321 |
Airbus A318, A319, A320, A321 |
Airbus A318, A319, A320, A321 |
| Dry Weight (kg) |
2381 |
2381 |
2381 |
2381 |
| Diameter (mm) |
1735 |
1735 |
1735 |
1735 |
| Max Rotating Diameter (mm) |
1735 |
1735 |
1735 |
1735 |
| Length (mm) |
2601 |
2601 |
2601 |
2601 |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
| Fuel |
Jet A |
Jet A |
Jet A |
Jet A |
| Fan Blades |
36 |
36 |
36 |
36 |
| Geared Fan |
No |
No |
No |
No |
| Low-Pressure Compressor Stages |
4 |
4 |
4 |
4 |
| High-Pressure Compressor Stages |
9 |
9 |
9 |
9 |
| Combustion Chamber |
|
DAC |
SAC |
DAC |
| High Pressure Compressor Stages |
1 |
1 |
1 |
1 |
| Low-Pressure Turbine Stages |
4 |
4 |
4 |
4 |
| Afterburner |
No |
No |
No |
No |
| Streams |
2 |
2 |
2 |
2 |
| Bypass Ratio |
5.9 |
5.9 |
5.9 |
5.7 |
| Overall Pressure Ratio |
23.33 |
24.4 |
24 |
24.8 |
| Maximum Takeoff Thrust (kN) |
97.89 |
102.2 |
102.2 |
104.5 |
| Hydrocarbon Take Off (g/kg fuel) |
0.2 |
0.2 |
0.1 |
0.1 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.2 |
0.3 |
0.1 |
0.2 |
| Hydrocarbon Approach (g/kg fuel) |
0.7 |
0.4 |
0.8 |
0.2 |
| Hydrocarbon Idle (g/kg fuel) |
6.2 |
4.4 |
5.9 |
3.4 |
| Hydrocarbon Unitary Average (g/kN) |
9.96 |
7.6 |
9.4 |
5.84 |
| Hydrocarbon Unitary Range (g/kN) |
|
7.4-7.8 |
|
4.58-8.45 |
| Hydrocarbon Unitary Characteristic (g/kN) |
15.3 |
9.9 |
14.4 |
6.7 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
78.1 |
50.5 |
73.5 |
34 |
| Hydrocarbon LTO (g) |
980 |
789 |
970 |
630 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.9 |
2.9 |
0.8 |
4.48 |
| Carbon Monoxide Climb Out (g/kg fuel) |
1 |
8.1 |
0.8 |
12.18 |
| Carbon Monoxide Approach (g/kg fuel) |
3.4 |
21 |
3.7 |
17.75 |
| Carbon Monoxide Idle (g/kg fuel) |
30 |
44.1 |
30.4 |
46.1 |
| Carbon Monoxide Unitary Average (g/kN) |
48.31 |
94.3 |
48.7 |
103.35 |
| Carbon Monoxide Unitary Range (g/kN) |
|
92.9-95.8 |
|
97.66-109.78 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
59.3 |
107.5 |
59.7 |
110.6 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
50.3 |
91.1 |
50.6 |
93.7 |
| NOx Take Off (g/kg fuel) |
21.9 |
13.9 |
21.4 |
13.51 |
| NOx Climb Out (g/kg fuel) |
18.5 |
10.7 |
17.9 |
10.41 |
| NOx Approach (g/kg fuel) |
8.7 |
7.6 |
8.8 |
10.32 |
| NOx Idle (g/kg fuel) |
3.8 |
3.2 |
3.6 |
3.9 |
| NOx Unitary Average (g/kN) |
38.23 |
26.9 |
37.9 |
30.2 |
| NOx Unitary Range (g/kN) |
|
26.5-27.2 |
|
29.37-31.42 |
| NOx Unitary Characteristic (g/kN) |
44.3 |
29.5 |
43.9 |
31.7 |
| NOx Unitaryto Standard (% of limit) |
51.1 |
33.2 |
49.9 |
35.4 |
| NOx Unitaryto CAEP2 (% of limit) |
63.9 |
41.5 |
62.4 |
44.2 |
| NOx Unitaryto CAEP4 (% of limit) |
78.6 |
51 |
76.5 |
54 |
| NOx Unitaryto CAEP6 (% of limit) |
89.4 |
57.8 |
86.9 |
61.4 |
| NOx Unitaryto CAEP8 (% of limit) |
108.8 |
69.9 |
105.4 |
74.1 |
| NOx LTO (g) |
3732 |
2754 |
3875 |
3158 |
| Smoke Take Off (SN) |
5.4 |
0.3 |
5.4 |
0.5 |
| Smoke Climb Out (SN) |
1.6 |
0.3 |
2.1 |
0.5 |
| Smoke Approach (SN) |
0.3 |
6.6 |
0.3 |
3.8 |
| Smoke Idle (SN) |
0.6 |
1.7 |
0.6 |
3.5 |
| Smoke Max (SN) |
5.4 |
6.6 |
5.4 |
3.7 |
| Smoke Range (SN) |
|
|
|
3.1-4.2 |
| Smoke Characteristic (SN) |
7 |
7.8 |
6.9 |
4 |
| Smoke Characteristicto Regulatory (% of limit) |
29.4 |
33.1 |
29.3 |
17.1 |
| Fuel Flow Take Off (kg/s) |
0.891 |
0.961 |
0.954 |
0.998 |
| Fuel Flow Climbout (kg/s) |
0.742 |
0.799 |
0.794 |
0.827 |
| Fuel Flow Approach (kg/s) |
0.26 |
0.296 |
0.28 |
0.315 |
| Fuel Flow Idle (kg/s) |
0.094 |
0.105 |
0.098 |
0.111 |
| Fuel LTO (kg) |
344 |
381 |
365 |
400 |
| Fuel Venting Compliant |
No |
No |
No |
No |
| Carbon Monoxide LTO (g) |
4743 |
9687 |
5012 |
10842 |
| Compressor Description |
1 fan, 4-stage LP, 9-stage HP |
1 fan, 4-stage LP, 9-stage HP |
1 fan, 4-stage LP, 9-stage HP |
1 fan, 4-stage LP, 9-stage HP |
| Emissions Data Status |
C |
C |
C |
C |
| Engine Status |
Out of production |
Out of production |
Out of production |
Out of production |
| Turbine Description |
1-stage HP, 4-stage LP |
1-stage HP, 4-stage LP |
1-stage HP, 4-stage LP |
1-stage HP, 4-stage LP |