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CFM56-5C2 ✕ CFM56-5C4/P ✕
Family CFM56-5C CFM56-5C
EASA ID 1CM010 7CM047
Aircraft Engine Manufacturer CFM International CFM International
Aircraft Engine Type Turbofan Turbofan
Comment Airbus A340-200/-300 Airbus A340-200/-300
Dry Weight (kg) 3990 3990
Diameter (mm) 1836 1836
Max Rotating Diameter (mm) 1836 1836
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
Combustion Chamber SAC
Afterburner No No
Streams 2 2
Bypass Ratio 6.8 6.6
Overall Pressure Ratio 28.8 30.5
Maximum Takeoff Thrust (kN) 138.78 149.9
Hydrocarbon Take Off (g/kg fuel) 0.008 0
Hydrocarbon Climb Out (g/kg fuel) 0.008 0
Hydrocarbon Approach (g/kg fuel) 0.082 0
Hydrocarbon Idle (g/kg fuel) 5.68 5
Hydrocarbon Unitary Average (g/kN) 7.56 6
Hydrocarbon Unitary Sigma (g/kN) 0.59
Hydrocarbon Unitary Range (g/kN) 6.9-8.01
Hydrocarbon Unitary Characteristic (g/kN) 11.6 9.3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 59.4 47.4
Hydrocarbon LTO (g) 1050 897
Carbon Monoxide Take Off (g/kg fuel) 0.93 0.8
Carbon Monoxide Climb Out (g/kg fuel) 0.8 0.7
Carbon Monoxide Approach (g/kg fuel) 1.75 1.6
Carbon Monoxide Idle (g/kg fuel) 34 31.6
Carbon Monoxide Unitary Average (g/kN) 47.2 39.9
Carbon Monoxide Unitary SD (g/kN) 1.71
Carbon Monoxide Unitary Range (g/kN) 45.4-48.8
Carbon Monoxide Unitary Characteristic (g/kN) 57.9 48.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 49.1 41.4
NOx Take Off (g/kg fuel) 32.6 34.1
NOx Climb Out (g/kg fuel) 25.8 26.7
NOx Approach (g/kg fuel) 10 9.9
NOx Idle (g/kg fuel) 4.19 4.1
NOx Unitary Average (g/kN) 50.9 50.9
NOx Unitary SD (g/kN) 0.04
NOx Unitary Range (g/kN) 50.89-50.96
NOx Unitary Characteristic (g/kN) 59 59
NOx Unitaryto Standard (% of limit) 60.5 58.4
NOx Unitaryto CAEP2 (% of limit) 75.6 73
NOx Unitaryto CAEP4 (% of limit) 90.7 86.8
NOx Unitaryto CAEP6 (% of limit) 103 98.4
NOx Unitaryto CAEP8 (% of limit) 121.8 115.4
NOx LTO (g) 7077 7641
Smoke Take Off (SN) 11.1 12
Smoke Climb Out (SN) 8.5 9.6
Smoke Approach (SN) 1 1
Smoke Idle (SN) 1.1 1.1
Smoke Max (SN) 11.1 12
Smoke Sigma (SN) 1.6
Smoke Range (SN) 9.3-12.1
Smoke Characteristic (SN) 14.3 15.4
Smoke Characteristicto Regulatory (% of limit) 66 72.7
Fuel Flow Take Off (kg/s) 1.308 1.395
Fuel Flow Climbout (kg/s) 1.076 1.143
Fuel Flow Approach (kg/s) 0.3558 0.37
Fuel Flow Idle (kg/s) 0.1175 0.115
Fuel LTO (kg) 466 478
Fuel Venting Compliant No No
Carbon Monoxide LTO (g) 6546 5964
Emissions Data Status C C
Engine Status Out of production Out of production