| CFM56-5-A1 ✕ | CFM56-2A series ✕ | |
|---|---|---|
| Family | CFM56-2 | |
| EASA ID | 1CM008 | 1CM001 |
| Aircraft Engine Manufacturer | CFM International | CFM International |
| Aircraft Engine Type | Turbofan | Turbofan |
| Comment | DC-8-70, KC-135R, E-3, E-6 | |
| Dry Weight (kg) | 2186 | |
| Diameter (mm) | 1735 | |
| Max Rotating Diameter (mm) | 1735 | |
| Wikipedia Article (URL) | 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 | 6 |
| Overall Pressure Ratio | 26.6 | 25.2 |
| Maximum Takeoff Thrust (kN) | 111.2 | 106.76 |
| Hydrocarbon Take Off (g/kg fuel) | 0.23 | 0.04 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.23 | 0.04 |
| Hydrocarbon Approach (g/kg fuel) | 0.4 | 0.08 |
| Hydrocarbon Idle (g/kg fuel) | 1.4 | 1.13 |
| Hydrocarbon Unitary Average (g/kN) | 2.6 | 2.26 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.5 | 0.41 |
| Hydrocarbon Unitary Range (g/kN) | 2.3-3.2 | 1.82-2.63 |
| Hydrocarbon Unitary Characteristic (g/kN) | 4 | 3.5 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 20.4 | 17.8 |
| Hydrocarbon LTO (g) | 285 | 242 |
| Carbon Monoxide Take Off (g/kg fuel) | 0.9 | 0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) | 0.9 | 0.9 |
| Carbon Monoxide Approach (g/kg fuel) | 2.5 | 3.4 |
| Carbon Monoxide Idle (g/kg fuel) | 17.6 | 23.5 |
| Carbon Monoxide Unitary Average (g/kN) | 27.9 | 48.5 |
| Carbon Monoxide Unitary SD (g/kN) | 0.7 | 2.5 |
| Carbon Monoxide Unitary Range (g/kN) | 27-28.4 | 47-51.4 |
| Carbon Monoxide Unitary Characteristic (g/kN) | 34.2 | 59.5 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 29 | 50.5 |
| NOx Take Off (g/kg fuel) | 24.6 | 20.4 |
| NOx Climb Out (g/kg fuel) | 19.6 | 17.3 |
| NOx Approach (g/kg fuel) | 8 | 8.7 |
| NOx Idle (g/kg fuel) | 4 | 4.3 |
| NOx Unitary Average (g/kN) | 40.5 | 42.8 |
| NOx Unitary SD (g/kN) | 0.6 | 0.8 |
| NOx Unitary Range (g/kN) | 39.9-40.9 | 42.3-43.7 |
| NOx Unitary Characteristic (g/kN) | 46.9 | 49.6 |
| NOx Unitaryto Standard (% of limit) | 50.4 | 54.9 |
| NOx Unitaryto CAEP2 (% of limit) | 63 | 68.6 |
| NOx Unitaryto CAEP4 (% of limit) | 76.3 | 83.6 |
| NOx Unitaryto CAEP6 (% of limit) | 86.7 | 95 |
| NOx Unitaryto CAEP8 (% of limit) | 103.5 | 114.4 |
| NOx LTO (g) | 4506 | 4571 |
| Smoke Take Off (SN) | 15.8 | 7.9 |
| Smoke Climb Out (SN) | 14 | 4.2 |
| Smoke Approach (SN) | 4.4 | 2.5 |
| Smoke Idle (SN) | 2.3 | 2 |
| Smoke Max (SN) | 15.8 | 7.9 |
| Smoke Sigma (SN) | 2 | 0.6 |
| Smoke Range (SN) | 13.5-17.3 | 7.3-8.5 |
| Smoke Characteristic (SN) | 20.3 | 10.2 |
| Smoke Characteristicto Regulatory (% of limit) | 88.5 | 43.7 |
| Fuel Flow Take Off (kg/s) | 1.051 | 1.114 |
| Fuel Flow Climbout (kg/s) | 0.862 | 0.911 |
| Fuel Flow Approach (kg/s) | 0.291 | 0.318 |
| Fuel Flow Idle (kg/s) | 0.1011 | 0.13 |
| Fuel LTO (kg) | 385 | 446 |
| Fuel Venting Compliant | No | No |
| Carbon Monoxide LTO (g) | 3093 | 5176 |
| Emissions Data Status | R | C |
| Engine Status | Out of production | Out of production |