| CFM56-2B-1 ✕ | CFM56-5A4 ✕ | |
|---|---|---|
| Family | CFM56-2 | CFM56-5A |
| EASA ID | 1CM002 | 4CM035 |
| Aircraft Engine Manufacturer | CFM International | CFM International |
| Aircraft Engine Type | Turbofan | Turbofan |
| Comment | DC-8-70, KC-135R, E-3, E-6 | Airbus A319, A320 |
| Dry Weight (kg) | 2186 | 2266 |
| Diameter (mm) | 1735 | 1735 |
| Max Rotating Diameter (mm) | 1735 | 1735 |
| 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 | 6 | 6 |
| Overall Pressure Ratio | 23.5 | 23.8 |
| Maximum Takeoff Thrust (kN) | 97.86 | 97.89 |
| Hydrocarbon Take Off (g/kg fuel) | 0.04 | 0.23 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.05 | 0.23 |
| Hydrocarbon Approach (g/kg fuel) | 0.08 | 0.5 |
| Hydrocarbon Idle (g/kg fuel) | 1.83 | 1.75 |
| Hydrocarbon Unitary Average (g/kN) | 3.87 | 3.3 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.41 | |
| Hydrocarbon Unitary Range (g/kN) | 3.4-4.15 | |
| Hydrocarbon Unitary Characteristic (g/kN) | 6 | 5.1 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 30.4 | 25.9 |
| Hydrocarbon LTO (g) | 378 | 322 |
| Carbon Monoxide Take Off (g/kg fuel) | 0.9 | 1.1 |
| Carbon Monoxide Climb Out (g/kg fuel) | 0.9 | 1.1 |
| Carbon Monoxide Approach (g/kg fuel) | 4.2 | 3.1 |
| Carbon Monoxide Idle (g/kg fuel) | 30.7 | 20.3 |
| Carbon Monoxide Unitary Average (g/kN) | 67.2 | 34.1 |
| Carbon Monoxide Unitary SD (g/kN) | 4.1 | |
| Carbon Monoxide Unitary Range (g/kN) | 63.5-71.7 | |
| Carbon Monoxide Unitary Characteristic (g/kN) | 82.5 | 41.9 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 69.9 | 35.5 |
| NOx Take Off (g/kg fuel) | 18.5 | 22.64 |
| NOx Climb Out (g/kg fuel) | 16 | 19.11 |
| NOx Approach (g/kg fuel) | 8.2 | 8.51 |
| NOx Idle (g/kg fuel) | 4 | 4.04 |
| NOx Unitary Average (g/kN) | 39.9 | 39.3 |
| NOx Unitary SD (g/kN) | 0.6 | |
| NOx Unitary Range (g/kN) | 39.4-40.5 | |
| NOx Unitary Characteristic (g/kN) | 46.3 | 45.6 |
| NOx Unitaryto Standard (% of limit) | 53.2 | 52 |
| NOx Unitaryto CAEP2 (% of limit) | 66.5 | 65 |
| NOx Unitaryto CAEP4 (% of limit) | 81.7 | 79.8 |
| NOx Unitaryto CAEP6 (% of limit) | 92.9 | 90.7 |
| NOx Unitaryto CAEP8 (% of limit) | 113 | 110.2 |
| NOx LTO (g) | 3906 | 3851 |
| Smoke Take Off (SN) | 6 | 13.9 |
| Smoke Climb Out (SN) | 3 | 11.6 |
| Smoke Approach (SN) | 2.6 | 4.2 |
| Smoke Idle (SN) | 2.2 | 2.4 |
| Smoke Max (SN) | 6 | 13.9 |
| Smoke Sigma (SN) | 0.8 | |
| Smoke Range (SN) | 5.4-6.9 | |
| Smoke Characteristic (SN) | 7.7 | 17.9 |
| Smoke Characteristicto Regulatory (% of limit) | 32.4 | 75.1 |
| Fuel Flow Take Off (kg/s) | 0.985 | 0.897 |
| Fuel Flow Climbout (kg/s) | 0.819 | 0.74 |
| Fuel Flow Approach (kg/s) | 0.311 | 0.261 |
| Fuel Flow Idle (kg/s) | 0.128 | 0.095 |
| Fuel LTO (kg) | 424 | 346 |
| Fuel Venting Compliant | No | No |
| Carbon Monoxide LTO (g) | 6578 | 3352 |
| Emissions Data Status | C | C |
| Engine Status | Out of production | Out of production |