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CFM56-5C3/P ✕ CFM56-5C3 ✕ CFM56-5C4/P ✕
Family CFM56-5C CFM56-5C CFM56-5C
EASA ID 7CM046 1CM011 7CM047
Aircraft Engine Manufacturer CFM International CFM International CFM International
Aircraft Engine Type Turbofan Turbofan Turbofan
Comment Airbus A340-200/-300 Airbus A340-200/-300 Airbus A340-200/-300
Dry Weight (kg) 3990 3990 3990
Diameter (mm) 1836 1836 1836
Max Rotating Diameter (mm) 1836 1836 1836
Wikipedia Article (URL) en.wikipedia.org/wiki/CFM_International_CFM56 en.wikipedia.org/wiki/CFM_International_CFM56 en.wikipedia.org/wiki/CFM_International_CFM56
Fuel Jet A Jet A Jet A
Geared Fan No No No
Combustion Chamber SAC SAC
Afterburner No No No
Streams 2 2 2
Bypass Ratio 6.7 6.7 6.6
Overall Pressure Ratio 29.2 29.9 30.5
Maximum Takeoff Thrust (kN) 143.33 144.57 149.9
Hydrocarbon Take Off (g/kg fuel) 0 0.008 0
Hydrocarbon Climb Out (g/kg fuel) 0 0.008 0
Hydrocarbon Approach (g/kg fuel) 0 0.074 0
Hydrocarbon Idle (g/kg fuel) 5.4 5.35 5
Hydrocarbon Unitary Average (g/kN) 6.6 7 6
Hydrocarbon Unitary Sigma (g/kN) 0.49
Hydrocarbon Unitary Range (g/kN) 6.45-7.41
Hydrocarbon Unitary Characteristic (g/kN) 10.2 10.8 9.3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 52 55 47.4
Hydrocarbon LTO (g) 943 1012 897
Carbon Monoxide Take Off (g/kg fuel) 0.8 0.98 0.8
Carbon Monoxide Climb Out (g/kg fuel) 0.7 0.82 0.7
Carbon Monoxide Approach (g/kg fuel) 1.9 1.57 1.6
Carbon Monoxide Idle (g/kg fuel) 33.4 32.6 31.6
Carbon Monoxide Unitary Average (g/kN) 42.8 44.5 39.9
Carbon Monoxide Unitary SD (g/kN) 1.69
Carbon Monoxide Unitary Range (g/kN) 42.7-46.1
Carbon Monoxide Unitary Characteristic (g/kN) 52.6 54.6 48.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 44.6 46.3 41.4
NOx Take Off (g/kg fuel) 31.6 34.7 34.1
NOx Climb Out (g/kg fuel) 25.1 27.1 26.7
NOx Approach (g/kg fuel) 9.6 10.4 9.9
NOx Idle (g/kg fuel) 4 4.26 4.1
NOx Unitary Average (g/kN) 47.8 53.8 50.9
NOx Unitary SD (g/kN) 0.22
NOx Unitary Range (g/kN) 53.5-53.9
NOx Unitary Characteristic (g/kN) 55.4 62.4 59
NOx Unitaryto Standard (% of limit) 56.3 62.5 58.4
NOx Unitaryto CAEP2 (% of limit) 70.4 78.1 73
NOx Unitaryto CAEP4 (% of limit) 84.3 93.3 86.8
NOx Unitaryto CAEP6 (% of limit) 95.8 106 98.4
NOx Unitaryto CAEP8 (% of limit) 113.1 124.9 115.4
NOx LTO (g) 6858 7770 7641
Smoke Take Off (SN) 11.6 11.8 12
Smoke Climb Out (SN) 9 9.1 9.6
Smoke Approach (SN) 1 1 1
Smoke Idle (SN) 1.1 1.1 1.1
Smoke Max (SN) 11.6 11.8 12
Smoke Sigma (SN) 1.6
Smoke Range (SN) 9.9-12.8
Smoke Characteristic (SN) 14.9 15.2 15.4
Smoke Characteristicto Regulatory (% of limit) 69.5 71 72.7
Fuel Flow Take Off (kg/s) 1.316 1.373 1.395
Fuel Flow Climbout (kg/s) 1.085 1.131 1.143
Fuel Flow Approach (kg/s) 0.355 0.37 0.37
Fuel Flow Idle (kg/s) 0.112 0.1203 0.115
Fuel LTO (kg) 458 483 478
Fuel Venting Compliant No No No
Carbon Monoxide LTO (g) 6142 6436 5964
Emissions Data Status C C C
Engine Status Out of production Out of production Out of production