| Family |
CFM56-3 |
CFM56-3 |
| EASA ID |
1CM004 |
1CM007 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Boeing 737 Classic |
Boeing 737 Classic |
| Dry Weight (kg) |
1951 |
1951 |
| Diameter (mm) |
1524 |
1524 |
| Max Rotating Diameter (mm) |
1524 |
1524 |
| 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 |
5.1 |
5.1 |
| Overall Pressure Ratio |
22.44 |
25.5 |
| Maximum Takeoff Thrust (kN) |
89.41 |
104.6 |
| Hydrocarbon Take Off (g/kg fuel) |
0.04 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.05 |
0.04 |
| Hydrocarbon Approach (g/kg fuel) |
0.08 |
0.07 |
| Hydrocarbon Idle (g/kg fuel) |
2.28 |
1.42 |
| Hydrocarbon Unitary Average (g/kN) |
4.67 |
2.76 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.53 |
0.38 |
| Hydrocarbon Unitary Range (g/kN) |
4.17-5.22 |
2.33-3.06 |
| Hydrocarbon Unitary Characteristic (g/kN) |
7.2 |
4.3 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
36.7 |
21.7 |
| Hydrocarbon LTO (g) |
418 |
287 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.9 |
0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.95 |
0.9 |
| Carbon Monoxide Approach (g/kg fuel) |
3.8 |
3.1 |
| Carbon Monoxide Idle (g/kg fuel) |
34.4 |
26.8 |
| Carbon Monoxide Unitary Average (g/kN) |
72.9 |
53.5 |
| Carbon Monoxide Unitary SD (g/kN) |
5.1 |
2.85 |
| Carbon Monoxide Unitary Range (g/kN) |
68.5-78.5 |
51.2-56.7 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
89.5 |
65.7 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
75.8 |
55.7 |
| NOx Take Off (g/kg fuel) |
17.7 |
20.7 |
| NOx Climb Out (g/kg fuel) |
15.5 |
17.8 |
| NOx Approach (g/kg fuel) |
8.3 |
9.1 |
| NOx Idle (g/kg fuel) |
3.9 |
4.3 |
| NOx Unitary Average (g/kN) |
40.3 |
45.8 |
| NOx Unitary SD (g/kN) |
0.8 |
0.82 |
| NOx Unitary Range (g/kN) |
39.6-41.2 |
45.3-46.8 |
| NOx Unitary Characteristic (g/kN) |
46.7 |
53.1 |
| NOx Unitaryto Standard (% of limit) |
55 |
58.3 |
| NOx Unitaryto CAEP2 (% of limit) |
68.8 |
72.9 |
| NOx Unitaryto CAEP4 (% of limit) |
85.1 |
88.8 |
| NOx Unitaryto CAEP6 (% of limit) |
96.7 |
100.9 |
| NOx Unitaryto CAEP8 (% of limit) |
118.3 |
121.3 |
| NOx LTO (g) |
3595 |
4810 |
| Smoke Take Off (SN) |
4 |
7.7 |
| Smoke Climb Out (SN) |
2.5 |
3.9 |
| Smoke Approach (SN) |
2.5 |
2.5 |
| Smoke Idle (SN) |
2.2 |
2.3 |
| Smoke Max (SN) |
4 |
7.7 |
| Smoke Sigma (SN) |
0.6 |
0.76 |
| Smoke Range (SN) |
3.4-4.5 |
6.8-8.3 |
| Smoke Characteristic (SN) |
5.1 |
9.9 |
| Smoke Characteristicto Regulatory (% of limit) |
21.1 |
42.4 |
| Fuel Flow Take Off (kg/s) |
0.946 |
1.154 |
| Fuel Flow Climbout (kg/s) |
0.792 |
0.954 |
| Fuel Flow Approach (kg/s) |
0.29 |
0.336 |
| Fuel Flow Idle (kg/s) |
0.114 |
0.124 |
| Fuel LTO (kg) |
392 |
448 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
6517 |
5591 |
| Emissions Data Status |
R |
R |
| Engine Status |
Out of production |
Out of production |