| Family |
CFM56-5A |
CFM56-5B |
| EASA ID |
4CM035 |
8CM056 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A319, A320 |
Airbus A318, A319, A320, A321 |
| Dry Weight (kg) |
2266 |
2381 |
| Diameter (mm) |
1735 |
1735 |
| Max Rotating Diameter (mm) |
1735 |
1735 |
| Length (mm) |
|
2601 |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
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 |
| High Pressure Compressor Stages |
|
1 |
| Low-Pressure Turbine Stages |
|
4 |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
6 |
6 |
| Overall Pressure Ratio |
23.8 |
23.1 |
| Maximum Takeoff Thrust (kN) |
97.89 |
97.9 |
| Hydrocarbon Take Off (g/kg fuel) |
0.23 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.23 |
0.03 |
| Hydrocarbon Approach (g/kg fuel) |
0.5 |
0.08 |
| Hydrocarbon Idle (g/kg fuel) |
1.75 |
3.55 |
| Hydrocarbon Unitary Average (g/kN) |
3.3 |
5.31 |
| Hydrocarbon Unitary Sigma (g/kN) |
|
0.55 |
| Hydrocarbon Unitary Range (g/kN) |
|
4.68-5.7 |
| Hydrocarbon Unitary Characteristic (g/kN) |
5.1 |
6.2 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
25.9 |
31.6 |
| Hydrocarbon LTO (g) |
322 |
520 |
| Carbon Monoxide Take Off (g/kg fuel) |
1.1 |
0.15 |
| Carbon Monoxide Climb Out (g/kg fuel) |
1.1 |
0.2 |
| Carbon Monoxide Approach (g/kg fuel) |
3.1 |
4.94 |
| Carbon Monoxide Idle (g/kg fuel) |
20.3 |
41.77 |
| Carbon Monoxide Unitary Average (g/kN) |
34.1 |
64.82 |
| Carbon Monoxide Unitary SD (g/kN) |
|
2.9 |
| Carbon Monoxide Unitary Range (g/kN) |
|
61.5-66.5 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
41.9 |
70.1 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
35.5 |
59.4 |
| NOx Take Off (g/kg fuel) |
22.64 |
16.42 |
| NOx Climb Out (g/kg fuel) |
19.11 |
14.01 |
| NOx Approach (g/kg fuel) |
8.51 |
8.03 |
| NOx Idle (g/kg fuel) |
4.04 |
3.81 |
| NOx Unitary Average (g/kN) |
39.3 |
31.13 |
| NOx Unitary SD (g/kN) |
|
1.1 |
| NOx Unitary Range (g/kN) |
|
30.1-32.2 |
| NOx Unitary Characteristic (g/kN) |
45.6 |
33 |
| NOx Unitaryto Standard (% of limit) |
52 |
38.3 |
| NOx Unitaryto CAEP2 (% of limit) |
65 |
47.9 |
| NOx Unitaryto CAEP4 (% of limit) |
79.8 |
59 |
| NOx Unitaryto CAEP6 (% of limit) |
90.7 |
67 |
| NOx Unitaryto CAEP8 (% of limit) |
110.2 |
81.7 |
| NOx LTO (g) |
3851 |
3047 |
| Smoke Take Off (SN) |
13.9 |
9.7 |
| Smoke Climb Out (SN) |
11.6 |
8 |
| Smoke Approach (SN) |
4.2 |
2.1 |
| Smoke Idle (SN) |
2.4 |
2.1 |
| Smoke Max (SN) |
13.9 |
9.7 |
| Smoke Sigma (SN) |
|
2.1 |
| Smoke Range (SN) |
|
8-12.1 |
| Smoke Characteristic (SN) |
17.9 |
10.7 |
| Smoke Characteristicto Regulatory (% of limit) |
75.1 |
44.9 |
| Fuel Flow Take Off (kg/s) |
0.897 |
0.894 |
| Fuel Flow Climbout (kg/s) |
0.74 |
0.743 |
| Fuel Flow Approach (kg/s) |
0.261 |
0.264 |
| Fuel Flow Idle (kg/s) |
0.095 |
0.092 |
| Fuel LTO (kg) |
346 |
343 |
| Fuel Venting Compliant |
No |
Yes |
| Carbon Monoxide LTO (g) |
3352 |
6343 |
| Compressor Description |
|
1 fan, 4-stage LP, 9-stage HP |
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
|
Yes |
| Emissions Superseded By |
|
01P08CM106 |
| Engine Status |
Out of production |
|
| NOx Compliance Demonstration |
|
2.3.2 e) |
| Turbine Description |
|
1-stage HP, 4-stage LP |