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CFM56-5A4 ✕ CFM56-3B-2 ✕
Family CFM56-5A CFM56-3
EASA ID 4CM035 1CM005
Aircraft Engine Manufacturer CFM International CFM International
Aircraft Engine Type Turbofan Turbofan
Comment Airbus A319, A320 Boeing 737 Classic
Dry Weight (kg) 2266 1951
Diameter (mm) 1735 1524
Max Rotating Diameter (mm) 1735 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 6 5.1
Overall Pressure Ratio 23.8 24.1
Maximum Takeoff Thrust (kN) 97.89 98.3
Hydrocarbon Take Off (g/kg fuel) 0.23 0.036
Hydrocarbon Climb Out (g/kg fuel) 0.23 0.047
Hydrocarbon Approach (g/kg fuel) 0.5 0.073
Hydrocarbon Idle (g/kg fuel) 1.75 1.75
Hydrocarbon Unitary Average (g/kN) 3.3 3.44
Hydrocarbon Unitary Sigma (g/kN) 0.37
Hydrocarbon Unitary Range (g/kN) 3.01-3.67
Hydrocarbon Unitary Characteristic (g/kN) 5.1 5.3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 25.9 27
Hydrocarbon LTO (g) 322 337
Carbon Monoxide Take Off (g/kg fuel) 1.1 0.9
Carbon Monoxide Climb Out (g/kg fuel) 1.1 0.9
Carbon Monoxide Approach (g/kg fuel) 3.1 3.4
Carbon Monoxide Idle (g/kg fuel) 20.3 30.1
Carbon Monoxide Unitary Average (g/kN) 34.1 61
Carbon Monoxide Unitary SD (g/kN) 3.8
Carbon Monoxide Unitary Range (g/kN) 57.6-65.1
Carbon Monoxide Unitary Characteristic (g/kN) 41.9 74.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 35.5 63.5
NOx Take Off (g/kg fuel) 22.64 19.4
NOx Climb Out (g/kg fuel) 19.11 16.7
NOx Approach (g/kg fuel) 8.51 8.7
NOx Idle (g/kg fuel) 4.04 4.1
NOx Unitary Average (g/kN) 39.3 42.9
NOx Unitary SD (g/kN) 0.81
NOx Unitary Range (g/kN) 42.4-43.9
NOx Unitary Characteristic (g/kN) 45.6 49.7
NOx Unitaryto Standard (% of limit) 52 56.4
NOx Unitaryto CAEP2 (% of limit) 65 70.5
NOx Unitaryto CAEP4 (% of limit) 79.8 86.4
NOx Unitaryto CAEP6 (% of limit) 90.7 98.2
NOx Unitaryto CAEP8 (% of limit) 110.2 118.9
NOx LTO (g) 3851 4213
Smoke Take Off (SN) 13.9 6
Smoke Climb Out (SN) 11.6 3
Smoke Approach (SN) 4.2 2.5
Smoke Idle (SN) 2.4 2.2
Smoke Max (SN) 13.9 6
Smoke Sigma (SN) 0.8
Smoke Range (SN) 5.4-6.9
Smoke Characteristic (SN) 17.9 7.7
Smoke Characteristicto Regulatory (% of limit) 75.1 32.5
Fuel Flow Take Off (kg/s) 0.897 1.056
Fuel Flow Climbout (kg/s) 0.74 0.878
Fuel Flow Approach (kg/s) 0.261 0.314
Fuel Flow Idle (kg/s) 0.095 0.119
Fuel LTO (kg) 346 421
Fuel Venting Compliant No No
Carbon Monoxide LTO (g) 3352 5988
Emissions Data Status C R
Engine Status Out of production Out of production