| Family |
CFM56-5B |
|
| EASA ID |
8CM057 |
10IA011 |
| 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 |
5.9 |
4.9 |
| Overall Pressure Ratio |
24.3 |
25.7 |
| Maximum Takeoff Thrust (kN) |
104.5 |
102.5 |
| Hydrocarbon Take Off (g/kg fuel) |
0.02 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.03 |
0.04 |
| Hydrocarbon Approach (g/kg fuel) |
0.07 |
0.07 |
| Hydrocarbon Idle (g/kg fuel) |
2.93 |
0.14 |
| Hydrocarbon Unitary Average (g/kN) |
4.24 |
0.4 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.48 |
|
| Hydrocarbon Unitary Range (g/kN) |
3.7-4.61 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
4.95 |
0.5 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
25.3 |
2.5 |
| Hydrocarbon LTO (g) |
440 |
39 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.17 |
0.43 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.17 |
0.44 |
| Carbon Monoxide Approach (g/kg fuel) |
4.35 |
2.55 |
| Carbon Monoxide Idle (g/kg fuel) |
38.39 |
12.49 |
| Carbon Monoxide Unitary Average (g/kN) |
57.45 |
27.1 |
| Carbon Monoxide Unitary SD (g/kN) |
2.7 |
|
| Carbon Monoxide Unitary Range (g/kN) |
54.3-59.3 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
62.1 |
30.9 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
52.6 |
26.2 |
| NOx Take Off (g/kg fuel) |
17.73 |
21.34 |
| NOx Climb Out (g/kg fuel) |
14.88 |
18.33 |
| NOx Approach (g/kg fuel) |
8.29 |
9.32 |
| NOx Idle (g/kg fuel) |
3.94 |
5.09 |
| NOx Unitary Average (g/kN) |
32.81 |
44.5 |
| NOx Unitary SD (g/kN) |
1.1 |
|
| NOx Unitary Range (g/kN) |
31.8-34 |
|
| NOx Unitary Characteristic (g/kN) |
34.8 |
49 |
| NOx Unitaryto Standard (% of limit) |
39.3 |
53.6 |
| NOx Unitaryto CAEP2 (% of limit) |
49.1 |
67 |
| NOx Unitaryto CAEP4 (% of limit) |
60.1 |
81.5 |
| NOx Unitaryto CAEP6 (% of limit) |
68.3 |
92.6 |
| NOx Unitaryto CAEP8 (% of limit) |
82.7 |
111.2 |
| NOx LTO (g) |
3363 |
4563 |
| Smoke Take Off (SN) |
11.3 |
7.3 |
| Smoke Climb Out (SN) |
8.4 |
8.1 |
| Smoke Approach (SN) |
2.1 |
3.2 |
| Smoke Idle (SN) |
2.1 |
1.7 |
| Smoke Max (SN) |
11.3 |
9.4 |
| Smoke Sigma (SN) |
2.6 |
|
| Smoke Range (SN) |
8.3-12.9 |
|
| Smoke Characteristic (SN) |
12.4 |
11.1 |
| Smoke Characteristicto Regulatory (% of limit) |
53 |
47.1 |
| Fuel Flow Take Off (kg/s) |
0.965 |
0.971 |
| Fuel Flow Climbout (kg/s) |
0.8 |
0.815 |
| Fuel Flow Approach (kg/s) |
0.279 |
0.31 |
| Fuel Flow Idle (kg/s) |
0.095 |
0.13 |
| Fuel LTO (kg) |
361 |
425 |
| Fuel Venting Compliant |
Yes |
Yes |
| Carbon Monoxide LTO (g) |
5912 |
2780 |
| Compressor Description |
1 fan, 4-stage LP, 9-stage HP |
|
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
Yes |
Yes |
| Emissions Superseded By |
01P08CM107 |
01P10IA019 |
| Engine Status |
|
Out of production |
| NOx Compliance Demonstration |
2.3.2 e) |
2.3.2 d) |
| Turbine Description |
1-stage HP, 4-stage LP |
|