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CFM56-5C3/P ✕ CFM56-5C4 ✕
Family CFM56-5C CFM56-5C
EASA ID 7CM046 2CM015
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 6.7 6.6
Overall Pressure Ratio 29.2 31.15
Maximum Takeoff Thrust (kN) 143.33 151.25
Hydrocarbon Take Off (g/kg fuel) 0 0.008
Hydrocarbon Climb Out (g/kg fuel) 0 0.008
Hydrocarbon Approach (g/kg fuel) 0 0.065
Hydrocarbon Idle (g/kg fuel) 5.4 5
Hydrocarbon Unitary Average (g/kN) 6.6 6.4
Hydrocarbon Unitary Sigma (g/kN) 0.44
Hydrocarbon Unitary Range (g/kN) 5.95-6.83
Hydrocarbon Unitary Characteristic (g/kN) 10.2 9.9
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 52 50.5
Hydrocarbon LTO (g) 943 975
Carbon Monoxide Take Off (g/kg fuel) 0.8 1
Carbon Monoxide Climb Out (g/kg fuel) 0.7 0.85
Carbon Monoxide Approach (g/kg fuel) 1.9 1.4
Carbon Monoxide Idle (g/kg fuel) 33.4 30.93
Carbon Monoxide Unitary Average (g/kN) 42.8 41.6
Carbon Monoxide Unitary SD (g/kN) 1.37
Carbon Monoxide Unitary Range (g/kN) 39.7-42.4
Carbon Monoxide Unitary Characteristic (g/kN) 52.6 51.1
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 44.6 43.3
NOx Take Off (g/kg fuel) 31.6 37.67
NOx Climb Out (g/kg fuel) 25.1 29.05
NOx Approach (g/kg fuel) 9.6 10.67
NOx Idle (g/kg fuel) 4 4.28
NOx Unitary Average (g/kN) 47.8 57.5
NOx Unitary SD (g/kN) 0.33
NOx Unitary Range (g/kN) 57.2-57.9
NOx Unitary Characteristic (g/kN) 55.4 66.7
NOx Unitaryto Standard (% of limit) 56.3 65.2
NOx Unitaryto CAEP2 (% of limit) 70.4 81.5
NOx Unitaryto CAEP4 (% of limit) 84.3 96.2
NOx Unitaryto CAEP6 (% of limit) 95.8 108.9
NOx Unitaryto CAEP8 (% of limit) 113.1 127.2
NOx LTO (g) 6858 8702
Smoke Take Off (SN) 11.6 12.6
Smoke Climb Out (SN) 9 9.8
Smoke Approach (SN) 1 1
Smoke Idle (SN) 1.1 1.1
Smoke Max (SN) 11.6 12.6
Smoke Sigma (SN) 1.4
Smoke Range (SN) 10.7-13.6
Smoke Characteristic (SN) 14.9 16.2
Smoke Characteristicto Regulatory (% of limit) 69.5 76.7
Fuel Flow Take Off (kg/s) 1.316 1.456
Fuel Flow Climbout (kg/s) 1.085 1.195
Fuel Flow Approach (kg/s) 0.355 0.386
Fuel Flow Idle (kg/s) 0.112 0.124
Fuel LTO (kg) 458 505
Fuel Venting Compliant No No
Carbon Monoxide LTO (g) 6142 6308
Emissions Data Status C C
Engine Status Out of production Out of production