| Family |
CFM56-5B |
|
| EASA ID |
8CM054 |
10IA017 |
| Aircraft Engine Manufacturer |
CFM International |
International Aero Engines |
| 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 |
Tech Insertion |
Floatwall |
| High Pressure Compressor Stages |
1 |
|
| Low-Pressure Turbine Stages |
4 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.4 |
4.5 |
| Overall Pressure Ratio |
32.6 |
33.7 |
| Maximum Takeoff Thrust (kN) |
142.3 |
140.6 |
| Hydrocarbon Take Off (g/kg fuel) |
0.05 |
0.01 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.02 |
0.02 |
| Hydrocarbon Approach (g/kg fuel) |
0.05 |
0.06 |
| Hydrocarbon Idle (g/kg fuel) |
1.1 |
0.12 |
| Hydrocarbon Unitary Average (g/kN) |
1.43 |
0.3 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.26 |
|
| Hydrocarbon Unitary Range (g/kN) |
1.15-1.67 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
1.67 |
0.3 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
8.5 |
1.8 |
| Hydrocarbon LTO (g) |
204 |
38 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.54 |
0.38 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.25 |
0.41 |
| Carbon Monoxide Approach (g/kg fuel) |
2.14 |
1.54 |
| Carbon Monoxide Idle (g/kg fuel) |
25.59 |
10.12 |
| Carbon Monoxide Unitary Average (g/kN) |
33.47 |
18.2 |
| Carbon Monoxide Unitary SD (g/kN) |
2 |
|
| Carbon Monoxide Unitary Range (g/kN) |
31.2-35 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
36.2 |
20.7 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
30.7 |
17.6 |
| NOx Take Off (g/kg fuel) |
30.9 |
35.43 |
| NOx Climb Out (g/kg fuel) |
21.83 |
25.65 |
| NOx Approach (g/kg fuel) |
9.56 |
11.24 |
| NOx Idle (g/kg fuel) |
4.6 |
5.6 |
| NOx Unitary Average (g/kN) |
48.3 |
59.6 |
| NOx Unitary SD (g/kN) |
0.6 |
|
| NOx Unitary Range (g/kN) |
47.7-48.9 |
|
| NOx Unitary Characteristic (g/kN) |
51.2 |
65.5 |
| NOx Unitaryto Standard (% of limit) |
48.7 |
61 |
| NOx Unitaryto CAEP2 (% of limit) |
60.8 |
76.3 |
| NOx Unitaryto CAEP4 (% of limit) |
72 |
88.1 |
| NOx Unitaryto CAEP6 (% of limit) |
79.8 |
98.7 |
| NOx Unitaryto CAEP8 (% of limit) |
92.6 |
113.9 |
| NOx LTO (g) |
6875 |
8377 |
| Smoke Take Off (SN) |
16 |
2 |
| Smoke Climb Out (SN) |
13.4 |
5.8 |
| Smoke Approach (SN) |
2.1 |
6.4 |
| Smoke Idle (SN) |
2.1 |
1.3 |
| Smoke Max (SN) |
16 |
9.4 |
| Smoke Sigma (SN) |
6.2 |
|
| Smoke Range (SN) |
8.9-20.2 |
|
| Smoke Characteristic (SN) |
17.6 |
11.1 |
| Smoke Characteristicto Regulatory (% of limit) |
81.9 |
51.3 |
| Fuel Flow Take Off (kg/s) |
1.462 |
1.433 |
| Fuel Flow Climbout (kg/s) |
1.153 |
1.142 |
| Fuel Flow Approach (kg/s) |
0.369 |
0.405 |
| Fuel Flow Idle (kg/s) |
0.113 |
0.147 |
| Fuel LTO (kg) |
478 |
537 |
| Fuel Venting Compliant |
Yes |
Yes |
| Carbon Monoxide LTO (g) |
4765 |
2555 |
| Compressor Description |
1 fan, 4-stage LP, 9-stage HP |
|
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
Yes |
Yes |
| Emissions Superseded By |
01P08CM104 |
01P10IA025 |
| Engine Status |
|
Out of production |
| NOx Compliance Demonstration |
2.3.2 e) |
2.3.2 d) |
| Turbine Description |
1-stage HP, 4-stage LP |
|