| CFM56-2A series ✕ | CFM56-5B6/P ✕ | |
|---|---|---|
| Family | CFM56-2 | CFM56-5B |
| EASA ID | 1CM001 | 3CM028 |
| Aircraft Engine Manufacturer | CFM International | CFM International |
| Aircraft Engine Type | Turbofan | Turbofan |
| Comment | DC-8-70, KC-135R, E-3, E-6 | Airbus A318, A319, A320, A321 |
| Dry Weight (kg) | 2186 | 2381 |
| Diameter (mm) | 1735 | 1735 |
| Max Rotating Diameter (mm) | 1735 | 1735 |
| Length (mm) | 2601 | |
| 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 | |
| Geared Fan | No | No |
| Low-Pressure Compressor Stages | 4 | |
| High-Pressure Compressor Stages | 9 | |
| High Pressure Compressor Stages | 1 | |
| Low-Pressure Turbine Stages | 4 | |
| Afterburner | No | No |
| Streams | 2 | 2 |
| Bypass Ratio | 6 | 6 |
| Overall Pressure Ratio | 25.2 | 24.64 |
| Maximum Takeoff Thrust (kN) | 106.76 | 104.53 |
| Hydrocarbon Take Off (g/kg fuel) | 0.04 | 0.2 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.04 | 0.2 |
| Hydrocarbon Approach (g/kg fuel) | 0.08 | 0.6 |
| Hydrocarbon Idle (g/kg fuel) | 1.13 | 5.5 |
| Hydrocarbon Unitary Average (g/kN) | 2.26 | 8.61 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.41 | |
| Hydrocarbon Unitary Range (g/kN) | 1.82-2.63 | |
| Hydrocarbon Unitary Characteristic (g/kN) | 3.5 | 13.3 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 17.8 | 67.9 |
| Hydrocarbon LTO (g) | 242 | 901 |
| Carbon Monoxide Take Off (g/kg fuel) | 0.9 | 0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) | 0.9 | 1 |
| Carbon Monoxide Approach (g/kg fuel) | 3.4 | 2.9 |
| Carbon Monoxide Idle (g/kg fuel) | 23.5 | 27.7 |
| Carbon Monoxide Unitary Average (g/kN) | 48.5 | 43.27 |
| Carbon Monoxide Unitary SD (g/kN) | 2.5 | |
| Carbon Monoxide Unitary Range (g/kN) | 47-51.4 | |
| Carbon Monoxide Unitary Characteristic (g/kN) | 59.5 | 53.1 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 50.5 | 45 |
| NOx Take Off (g/kg fuel) | 20.4 | 23.6 |
| NOx Climb Out (g/kg fuel) | 17.3 | 19.6 |
| NOx Approach (g/kg fuel) | 8.7 | 9.2 |
| NOx Idle (g/kg fuel) | 4.3 | 4 |
| NOx Unitary Average (g/kN) | 42.8 | 40.49 |
| NOx Unitary SD (g/kN) | 0.8 | |
| NOx Unitary Range (g/kN) | 42.3-43.7 | |
| NOx Unitary Characteristic (g/kN) | 49.6 | 46.9 |
| NOx Unitaryto Standard (% of limit) | 54.9 | 52.5 |
| NOx Unitaryto CAEP2 (% of limit) | 68.6 | 65.7 |
| NOx Unitaryto CAEP4 (% of limit) | 83.6 | 80.3 |
| NOx Unitaryto CAEP6 (% of limit) | 95 | 91.2 |
| NOx Unitaryto CAEP8 (% of limit) | 114.4 | 110.2 |
| NOx LTO (g) | 4571 | 4232 |
| Smoke Take Off (SN) | 7.9 | 5.4 |
| Smoke Climb Out (SN) | 4.2 | 2.2 |
| Smoke Approach (SN) | 2.5 | 0.3 |
| Smoke Idle (SN) | 2 | 0.6 |
| Smoke Max (SN) | 7.9 | 5.4 |
| Smoke Sigma (SN) | 0.6 | |
| Smoke Range (SN) | 7.3-8.5 | |
| Smoke Characteristic (SN) | 10.2 | 7 |
| Smoke Characteristicto Regulatory (% of limit) | 43.7 | 29.9 |
| Fuel Flow Take Off (kg/s) | 1.114 | 0.961 |
| Fuel Flow Climbout (kg/s) | 0.911 | 0.799 |
| Fuel Flow Approach (kg/s) | 0.318 | 0.275 |
| Fuel Flow Idle (kg/s) | 0.13 | 0.097 |
| Fuel LTO (kg) | 446 | 363 |
| Fuel Venting Compliant | No | No |
| Carbon Monoxide LTO (g) | 5176 | 4525 |
| Compressor Description | 1 fan, 4-stage LP, 9-stage HP | |
| Emissions Data Status | C | C |
| Engine Status | Out of production | Out of production |
| Turbine Description | 1-stage HP, 4-stage LP |