| Family |
CFM56-5C |
CFM56-5C |
CFM56-5C |
CFM56-5C |
| EASA ID |
7CM045 |
1CM010 |
7CM046 |
7CM047 |
| 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 |
|
SAC |
SAC |
| Afterburner |
No |
No |
No |
No |
| Streams |
2 |
2 |
2 |
2 |
| Bypass Ratio |
6.8 |
6.8 |
6.7 |
6.6 |
| Overall Pressure Ratio |
28.2 |
28.8 |
29.2 |
30.5 |
| Maximum Takeoff Thrust (kN) |
137.61 |
138.78 |
143.33 |
149.9 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.008 |
0 |
0 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0.008 |
0 |
0 |
| Hydrocarbon Approach (g/kg fuel) |
0 |
0.082 |
0 |
0 |
| Hydrocarbon Idle (g/kg fuel) |
5.8 |
5.68 |
5.4 |
5 |
| Hydrocarbon Unitary Average (g/kN) |
7.2 |
7.56 |
6.6 |
6 |
| Hydrocarbon Unitary Sigma (g/kN) |
|
0.59 |
|
|
| Hydrocarbon Unitary Range (g/kN) |
|
6.9-8.01 |
|
|
| Hydrocarbon Unitary Characteristic (g/kN) |
11.1 |
11.6 |
10.2 |
9.3 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
56.6 |
59.4 |
52 |
47.4 |
| Hydrocarbon LTO (g) |
986 |
1050 |
943 |
897 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.8 |
0.93 |
0.8 |
0.8 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.7 |
0.8 |
0.7 |
0.7 |
| Carbon Monoxide Approach (g/kg fuel) |
2.1 |
1.75 |
1.9 |
1.6 |
| Carbon Monoxide Idle (g/kg fuel) |
35.1 |
34 |
33.4 |
31.6 |
| Carbon Monoxide Unitary Average (g/kN) |
45.7 |
47.2 |
42.8 |
39.9 |
| Carbon Monoxide Unitary SD (g/kN) |
|
1.71 |
|
|
| Carbon Monoxide Unitary Range (g/kN) |
|
45.4-48.8 |
|
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
56.2 |
57.9 |
52.6 |
48.9 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
47.6 |
49.1 |
44.6 |
41.4 |
| NOx Take Off (g/kg fuel) |
29.7 |
32.6 |
31.6 |
34.1 |
| NOx Climb Out (g/kg fuel) |
23.8 |
25.8 |
25.1 |
26.7 |
| NOx Approach (g/kg fuel) |
9.3 |
10 |
9.6 |
9.9 |
| NOx Idle (g/kg fuel) |
3.9 |
4.19 |
4 |
4.1 |
| NOx Unitary Average (g/kN) |
45.4 |
50.9 |
47.8 |
50.9 |
| NOx Unitary SD (g/kN) |
|
0.04 |
|
|
| NOx Unitary Range (g/kN) |
|
50.89-50.96 |
|
|
| NOx Unitary Characteristic (g/kN) |
52.6 |
59 |
55.4 |
59 |
| NOx Unitaryto Standard (% of limit) |
54.6 |
60.5 |
56.3 |
58.4 |
| NOx Unitaryto CAEP2 (% of limit) |
68.2 |
75.6 |
70.4 |
73 |
| NOx Unitaryto CAEP4 (% of limit) |
82.1 |
90.7 |
84.3 |
86.8 |
| NOx Unitaryto CAEP6 (% of limit) |
93.2 |
103 |
95.8 |
98.4 |
| NOx Unitaryto CAEP8 (% of limit) |
110.5 |
121.8 |
113.1 |
115.4 |
| NOx LTO (g) |
6240 |
7077 |
6858 |
7641 |
| Smoke Take Off (SN) |
10.7 |
11.1 |
11.6 |
12 |
| Smoke Climb Out (SN) |
8.4 |
8.5 |
9 |
9.6 |
| Smoke Approach (SN) |
1 |
1 |
1 |
1 |
| Smoke Idle (SN) |
1.1 |
1.1 |
1.1 |
1.1 |
| Smoke Max (SN) |
10.7 |
11.1 |
11.6 |
12 |
| Smoke Sigma (SN) |
|
1.6 |
|
|
| Smoke Range (SN) |
|
9.3-12.1 |
|
|
| Smoke Characteristic (SN) |
13.8 |
14.3 |
14.9 |
15.4 |
| Smoke Characteristicto Regulatory (% of limit) |
63.6 |
66 |
69.5 |
72.7 |
| Fuel Flow Take Off (kg/s) |
1.252 |
1.308 |
1.316 |
1.395 |
| Fuel Flow Climbout (kg/s) |
1.035 |
1.076 |
1.085 |
1.143 |
| Fuel Flow Approach (kg/s) |
0.342 |
0.3558 |
0.355 |
0.37 |
| Fuel Flow Idle (kg/s) |
0.109 |
0.1175 |
0.112 |
0.115 |
| Fuel LTO (kg) |
441 |
466 |
458 |
478 |
| Fuel Venting Compliant |
No |
No |
No |
No |
| Carbon Monoxide LTO (g) |
6278 |
6546 |
6142 |
5964 |
| Emissions Data Status |
C |
C |
C |
C |
| Engine Status |
Out of production |
Out of production |
Out of production |
Out of production |