| Family |
CFM56-5C |
CFM56-5C |
CFM56-5C |
CFM56-5C |
| EASA ID |
1CM010 |
7CM046 |
1CM011 |
2CM015 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
Turbofan |
Turbofan |
| Comment |
Airbus A340-200/-300 |
Airbus A340-200/-300 |
Airbus A340-200/-300 |
Airbus A340-200/-300 |
| Dry Weight (kg) |
3990 |
3990 |
3990 |
3990 |
| Diameter (mm) |
1836 |
1836 |
1836 |
1836 |
| Max Rotating Diameter (mm) |
1836 |
1836 |
1836 |
1836 |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
| Fuel |
Jet A |
Jet A |
Jet A |
Jet A |
| Geared Fan |
No |
No |
No |
No |
| Combustion Chamber |
|
SAC |
|
|
| Afterburner |
No |
No |
No |
No |
| Streams |
2 |
2 |
2 |
2 |
| Bypass Ratio |
6.8 |
6.7 |
6.7 |
6.6 |
| Overall Pressure Ratio |
28.8 |
29.2 |
29.9 |
31.15 |
| Maximum Takeoff Thrust (kN) |
138.78 |
143.33 |
144.57 |
151.25 |
| Hydrocarbon Take Off (g/kg fuel) |
0.008 |
0 |
0.008 |
0.008 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.008 |
0 |
0.008 |
0.008 |
| Hydrocarbon Approach (g/kg fuel) |
0.082 |
0 |
0.074 |
0.065 |
| Hydrocarbon Idle (g/kg fuel) |
5.68 |
5.4 |
5.35 |
5 |
| Hydrocarbon Unitary Average (g/kN) |
7.56 |
6.6 |
7 |
6.4 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.59 |
|
0.49 |
0.44 |
| Hydrocarbon Unitary Range (g/kN) |
6.9-8.01 |
|
6.45-7.41 |
5.95-6.83 |
| Hydrocarbon Unitary Characteristic (g/kN) |
11.6 |
10.2 |
10.8 |
9.9 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
59.4 |
52 |
55 |
50.5 |
| Hydrocarbon LTO (g) |
1050 |
943 |
1012 |
975 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.93 |
0.8 |
0.98 |
1 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.8 |
0.7 |
0.82 |
0.85 |
| Carbon Monoxide Approach (g/kg fuel) |
1.75 |
1.9 |
1.57 |
1.4 |
| Carbon Monoxide Idle (g/kg fuel) |
34 |
33.4 |
32.6 |
30.93 |
| Carbon Monoxide Unitary Average (g/kN) |
47.2 |
42.8 |
44.5 |
41.6 |
| Carbon Monoxide Unitary SD (g/kN) |
1.71 |
|
1.69 |
1.37 |
| Carbon Monoxide Unitary Range (g/kN) |
45.4-48.8 |
|
42.7-46.1 |
39.7-42.4 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
57.9 |
52.6 |
54.6 |
51.1 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
49.1 |
44.6 |
46.3 |
43.3 |
| NOx Take Off (g/kg fuel) |
32.6 |
31.6 |
34.7 |
37.67 |
| NOx Climb Out (g/kg fuel) |
25.8 |
25.1 |
27.1 |
29.05 |
| NOx Approach (g/kg fuel) |
10 |
9.6 |
10.4 |
10.67 |
| NOx Idle (g/kg fuel) |
4.19 |
4 |
4.26 |
4.28 |
| NOx Unitary Average (g/kN) |
50.9 |
47.8 |
53.8 |
57.5 |
| NOx Unitary SD (g/kN) |
0.04 |
|
0.22 |
0.33 |
| NOx Unitary Range (g/kN) |
50.89-50.96 |
|
53.5-53.9 |
57.2-57.9 |
| NOx Unitary Characteristic (g/kN) |
59 |
55.4 |
62.4 |
66.7 |
| NOx Unitaryto Standard (% of limit) |
60.5 |
56.3 |
62.5 |
65.2 |
| NOx Unitaryto CAEP2 (% of limit) |
75.6 |
70.4 |
78.1 |
81.5 |
| NOx Unitaryto CAEP4 (% of limit) |
90.7 |
84.3 |
93.3 |
96.2 |
| NOx Unitaryto CAEP6 (% of limit) |
103 |
95.8 |
106 |
108.9 |
| NOx Unitaryto CAEP8 (% of limit) |
121.8 |
113.1 |
124.9 |
127.2 |
| NOx LTO (g) |
7077 |
6858 |
7770 |
8702 |
| Smoke Take Off (SN) |
11.1 |
11.6 |
11.8 |
12.6 |
| Smoke Climb Out (SN) |
8.5 |
9 |
9.1 |
9.8 |
| Smoke Approach (SN) |
1 |
1 |
1 |
1 |
| Smoke Idle (SN) |
1.1 |
1.1 |
1.1 |
1.1 |
| Smoke Max (SN) |
11.1 |
11.6 |
11.8 |
12.6 |
| Smoke Sigma (SN) |
1.6 |
|
1.6 |
1.4 |
| Smoke Range (SN) |
9.3-12.1 |
|
9.9-12.8 |
10.7-13.6 |
| Smoke Characteristic (SN) |
14.3 |
14.9 |
15.2 |
16.2 |
| Smoke Characteristicto Regulatory (% of limit) |
66 |
69.5 |
71 |
76.7 |
| Fuel Flow Take Off (kg/s) |
1.308 |
1.316 |
1.373 |
1.456 |
| Fuel Flow Climbout (kg/s) |
1.076 |
1.085 |
1.131 |
1.195 |
| Fuel Flow Approach (kg/s) |
0.3558 |
0.355 |
0.37 |
0.386 |
| Fuel Flow Idle (kg/s) |
0.1175 |
0.112 |
0.1203 |
0.124 |
| Fuel LTO (kg) |
466 |
458 |
483 |
505 |
| Fuel Venting Compliant |
No |
No |
No |
No |
| Carbon Monoxide LTO (g) |
6546 |
6142 |
6436 |
6308 |
| Emissions Data Status |
C |
C |
C |
C |
| Engine Status |
Out of production |
Out of production |
Out of production |
Out of production |