| Family |
CFM56-5B |
CFM56-7B |
| EASA ID |
01P08CM110 |
8CM063 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A318, A319, A320, A321 |
Boeing 737 Next Generation |
| Dry Weight (kg) |
2381 |
2366 |
| Diameter (mm) |
1735 |
1549 |
| Max Rotating Diameter (mm) |
1735 |
1549 |
| Length (mm) |
2601 |
2507 |
| 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 |
24 |
| Geared Fan |
No |
No |
| Low-Pressure Compressor Stages |
4 |
3 |
| High-Pressure Compressor Stages |
9 |
9 |
| Combustion Chamber |
Tech Insertion |
Tech Insertion |
| High Pressure Compressor Stages |
1 |
1 |
| Low-Pressure Turbine Stages |
4 |
4 |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.9 |
5.3 |
| Overall Pressure Ratio |
24.2 |
24.2 |
| Maximum Takeoff Thrust (kN) |
103.6 |
101 |
| Hydrocarbon Take Off (g/kg fuel) |
0.02 |
0.02 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.03 |
0.03 |
| Hydrocarbon Approach (g/kg fuel) |
0.07 |
0.07 |
| Hydrocarbon Idle (g/kg fuel) |
3.01 |
2.83 |
| Hydrocarbon Unitary Average (g/kN) |
4.36 |
4.43 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.49 |
0.51 |
| Hydrocarbon Unitary Range (g/kN) |
3.81-4.74 |
3.85-4.83 |
| Hydrocarbon Unitary Characteristic (g/kN) |
5.09 |
5.16 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
26 |
26.3 |
| Hydrocarbon LTO (g) |
452 |
447 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.16 |
0.16 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.17 |
0.17 |
| Carbon Monoxide Approach (g/kg fuel) |
4.42 |
4.18 |
| Carbon Monoxide Idle (g/kg fuel) |
38.8 |
37.9 |
| Carbon Monoxide Unitary Average (g/kN) |
58.34 |
61.19 |
| Carbon Monoxide Unitary SD (g/kN) |
2.8 |
3.3 |
| Carbon Monoxide Unitary Range (g/kN) |
55.2-60.2 |
57.8-64.1 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
63.1 |
66.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
53.5 |
56.1 |
| NOx Take Off (g/kg fuel) |
17.54 |
17.4 |
| NOx Climb Out (g/kg fuel) |
14.76 |
14.67 |
| NOx Approach (g/kg fuel) |
8.26 |
8.35 |
| NOx Idle (g/kg fuel) |
3.92 |
3.95 |
| NOx Unitary Average (g/kN) |
32.58 |
35.06 |
| NOx Unitary SD (g/kN) |
1.1 |
1.2 |
| NOx Unitary Range (g/kN) |
31.6-33.8 |
34-36.3 |
| NOx Unitary Characteristic (g/kN) |
34.5 |
37.1 |
| NOx Unitaryto Standard (% of limit) |
39 |
42 |
| NOx Unitaryto CAEP2 (% of limit) |
48.8 |
52.5 |
| NOx Unitaryto CAEP4 (% of limit) |
59.8 |
64.3 |
| NOx Unitaryto CAEP6 (% of limit) |
67.9 |
73 |
| NOx Unitaryto CAEP8 (% of limit) |
82.2 |
88.4 |
| NOx LTO (g) |
3377 |
3540 |
| Smoke Take Off (SN) |
11.2 |
9.8 |
| Smoke Climb Out (SN) |
8.4 |
8 |
| Smoke Approach (SN) |
2.1 |
2.1 |
| Smoke Idle (SN) |
2.1 |
2.1 |
| Smoke Max (SN) |
11.2 |
9.84 |
| Smoke Sigma (SN) |
2.5 |
2.3 |
| Smoke Range (SN) |
8.3-12.9 |
8-12.4 |
| Smoke Characteristic (SN) |
12.3 |
10.83 |
| Smoke Characteristicto Regulatory (% of limit) |
52.5 |
45.9 |
| Fuel Flow Take Off (kg/s) |
0.956 |
1.004 |
| Fuel Flow Climbout (kg/s) |
0.793 |
0.832 |
| Fuel Flow Approach (kg/s) |
0.278 |
0.291 |
| Fuel Flow Idle (kg/s) |
0.095 |
0.099 |
| Fuel LTO (kg) |
359 |
377 |
| Fuel Venting Compliant |
Yes |
Yes |
| Carbon Monoxide LTO (g) |
6047 |
6179 |
| Compressor Description |
1 fan, 4-stage LP, 9-stage HP |
1 fan, 3-stage LP, 9-stage HP |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |
| NOx Compliance Demonstration |
2.3.2 e) |
2.3.2 e) |
| nvPME Imass Approach (mg/kg) |
1.06 |
|
| nvPME Imass Climb Out (mg/kg) |
30.3 |
|
| nvPME Imass Idle (mg/kg) |
0.85 |
|
| nvPME Imass Max (mg/kg) |
42.7 |
|
| nvPME Imass Take Off (mg/kg) |
42.7 |
|
| nvPME Inum Approach (#/kg) |
44900000000000 |
|
| nvPME Inum Climb Out (#/kg) |
411000000000000 |
|
| nvPME Inum Idle (#/kg) |
46100000000000 |
|
| nvPME Inum Max (#/kg) |
431000000000000 |
|
| nvPME Inum Take Off (#/kg) |
431000000000000 |
|
| nvPMLTO Mass (mg) |
5080 |
|
| nvPMLTO Mass Per Thrust (mg/kN) |
68.1 |
|
| nvPMLTO Mass To CAEP11 (% of limit) |
12.7 |
|
| nvPMLTO Number (#) |
70100000000000000 |
|
| nvPMLTO Number Per Thrust (#/kN) |
941000000000000 |
|
| nvPMLTO Number To CAEP11 (% of limit) |
14.5 |
|
| nvPM Mass Concentration Characteristic (mg/m³) |
1216 |
|
| nvPM Mass Concentration Max (mg/m³) |
945 |
|
| nvPM Mass Concentration To CAEP10 (% of limit) |
18.7 |
|
| Turbine Description |
1-stage HP, 4-stage LP |
1-stage HP, 4-stage LP |