| Family |
CFM56-5C |
CFM56-5C |
| EASA ID |
1CM011 |
2CM015 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A340-200/-300 |
Airbus A340-200/-300 |
| Dry Weight (kg) |
3990 |
3990 |
| Diameter (mm) |
1836 |
1836 |
| Max Rotating Diameter (mm) |
1836 |
1836 |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
| Fuel |
Jet A |
Jet A |
| Geared Fan |
No |
No |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
6.7 |
6.6 |
| Overall Pressure Ratio |
29.9 |
31.15 |
| Maximum Takeoff Thrust (kN) |
144.57 |
151.25 |
| Hydrocarbon Take Off (g/kg fuel) |
0.008 |
0.008 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.008 |
0.008 |
| Hydrocarbon Approach (g/kg fuel) |
0.074 |
0.065 |
| Hydrocarbon Idle (g/kg fuel) |
5.35 |
5 |
| Hydrocarbon Unitary Average (g/kN) |
7 |
6.4 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.49 |
0.44 |
| Hydrocarbon Unitary Range (g/kN) |
6.45-7.41 |
5.95-6.83 |
| Hydrocarbon Unitary Characteristic (g/kN) |
10.8 |
9.9 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
55 |
50.5 |
| Hydrocarbon LTO (g) |
1012 |
975 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.98 |
1 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.82 |
0.85 |
| Carbon Monoxide Approach (g/kg fuel) |
1.57 |
1.4 |
| Carbon Monoxide Idle (g/kg fuel) |
32.6 |
30.93 |
| Carbon Monoxide Unitary Average (g/kN) |
44.5 |
41.6 |
| Carbon Monoxide Unitary SD (g/kN) |
1.69 |
1.37 |
| Carbon Monoxide Unitary Range (g/kN) |
42.7-46.1 |
39.7-42.4 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
54.6 |
51.1 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
46.3 |
43.3 |
| NOx Take Off (g/kg fuel) |
34.7 |
37.67 |
| NOx Climb Out (g/kg fuel) |
27.1 |
29.05 |
| NOx Approach (g/kg fuel) |
10.4 |
10.67 |
| NOx Idle (g/kg fuel) |
4.26 |
4.28 |
| NOx Unitary Average (g/kN) |
53.8 |
57.5 |
| NOx Unitary SD (g/kN) |
0.22 |
0.33 |
| NOx Unitary Range (g/kN) |
53.5-53.9 |
57.2-57.9 |
| NOx Unitary Characteristic (g/kN) |
62.4 |
66.7 |
| NOx Unitaryto Standard (% of limit) |
62.5 |
65.2 |
| NOx Unitaryto CAEP2 (% of limit) |
78.1 |
81.5 |
| NOx Unitaryto CAEP4 (% of limit) |
93.3 |
96.2 |
| NOx Unitaryto CAEP6 (% of limit) |
106 |
108.9 |
| NOx Unitaryto CAEP8 (% of limit) |
124.9 |
127.2 |
| NOx LTO (g) |
7770 |
8702 |
| Smoke Take Off (SN) |
11.8 |
12.6 |
| Smoke Climb Out (SN) |
9.1 |
9.8 |
| Smoke Approach (SN) |
1 |
1 |
| Smoke Idle (SN) |
1.1 |
1.1 |
| Smoke Max (SN) |
11.8 |
12.6 |
| Smoke Sigma (SN) |
1.6 |
1.4 |
| Smoke Range (SN) |
9.9-12.8 |
10.7-13.6 |
| Smoke Characteristic (SN) |
15.2 |
16.2 |
| Smoke Characteristicto Regulatory (% of limit) |
71 |
76.7 |
| Fuel Flow Take Off (kg/s) |
1.373 |
1.456 |
| Fuel Flow Climbout (kg/s) |
1.131 |
1.195 |
| Fuel Flow Approach (kg/s) |
0.37 |
0.386 |
| Fuel Flow Idle (kg/s) |
0.1203 |
0.124 |
| Fuel LTO (kg) |
483 |
505 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
6436 |
6308 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |