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CFM56-5B4/3 ✕ Progress D-27 ✕
Family CFM56-5B
EASA ID 01P08CM105
Aircraft Engine Manufacturer CFM International Ivchenko-Progress ZMKB
Aircraft Engine Type Turbofan Open-rotor
Comment Airbus A318, A319, A320, A321
Dry Weight (kg) 2381 1650
Diameter (mm) 1735 970
Max Rotating Diameter (mm) 1735
Length (mm) 2601 4205
Wikipedia Article (URL) en.wikipedia.org/wiki/CFM_International_CFM56 en.wikipedia.org/wiki/Progress_D-27
Fuel Jet A
Fan Blades 36
Geared Fan No Yes
Low-Pressure Compressor Stages 4
High-Pressure Compressor Stages 9
Combustion Chamber Tech Insertion Annular combustion chamber
High Pressure Compressor Stages 1
Low-Pressure Turbine Stages 4
Afterburner No No
Streams 2 1
Bypass Ratio 5.7
Overall Pressure Ratio 27.3
Maximum Takeoff Thrust (kN) 120.1 119
Hydrocarbon Take Off (g/kg fuel) 0.02
Hydrocarbon Climb Out (g/kg fuel) 0.02
Hydrocarbon Approach (g/kg fuel) 0.05
Hydrocarbon Idle (g/kg fuel) 1.92
Hydrocarbon Unitary Average (g/kN) 2.61
Hydrocarbon Unitary Sigma (g/kN) 0.36
Hydrocarbon Unitary Range (g/kN) 2.21-2.93
Hydrocarbon Unitary Characteristic (g/kN) 3.05
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 15.6
Hydrocarbon LTO (g) 314
Carbon Monoxide Take Off (g/kg fuel) 0.25
Carbon Monoxide Climb Out (g/kg fuel) 0.16
Carbon Monoxide Approach (g/kg fuel) 3.24
Carbon Monoxide Idle (g/kg fuel) 32.07
Carbon Monoxide Unitary Average (g/kN) 44.84
Carbon Monoxide Unitary SD (g/kN) 2.4
Carbon Monoxide Unitary Range (g/kN) 42-46.6
Carbon Monoxide Unitary Characteristic (g/kN) 48.5
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 41.1
NOx Take Off (g/kg fuel) 21.57
NOx Climb Out (g/kg fuel) 17.23
NOx Approach (g/kg fuel) 8.85
NOx Idle (g/kg fuel) 4.22
NOx Unitary Average (g/kN) 37.56
NOx Unitary SD (g/kN) 1.1
NOx Unitary Range (g/kN) 36.6-38.8
NOx Unitary Characteristic (g/kN) 39.8
NOx Unitaryto Standard (% of limit) 42.1
NOx Unitaryto CAEP2 (% of limit) 52.6
NOx Unitaryto CAEP4 (% of limit) 63.5
NOx Unitaryto CAEP6 (% of limit) 72.2
NOx Unitaryto CAEP8 (% of limit) 85.9
NOx LTO (g) 4511
Smoke Take Off (SN) 13.4
Smoke Climb Out (SN) 9.9
Smoke Approach (SN) 2.1
Smoke Idle (SN) 2.1
Smoke Max (SN) 13.4
Smoke Sigma (SN) 4.5
Smoke Range (SN) 8.4-16.9
Smoke Characteristic (SN) 14.7
Smoke Characteristicto Regulatory (% of limit) 65.3
Fuel Flow Take Off (kg/s) 1.142
Fuel Flow Climbout (kg/s) 0.939
Fuel Flow Approach (kg/s) 0.316
Fuel Flow Idle (kg/s) 0.102
Fuel LTO (kg) 407
Fuel Venting Compliant Yes
Carbon Monoxide LTO (g) 5386
Compressor Description 1 fan, 4-stage LP, 9-stage HP 5-stage axial flow low-pressure compressor (LPC); high-pressure compressor (HPC) with 2 axial stages and 1 centrifugal stage
Emissions Data Status C
Engine Status Out of production
NOx Compliance Demonstration 2.3.2 e)
nvPME Imass Approach (mg/kg) 1.47
nvPME Imass Climb Out (mg/kg) 41.4
nvPME Imass Idle (mg/kg) 0.77
nvPME Imass Max (mg/kg) 61.3
nvPME Imass Take Off (mg/kg) 61.3
nvPME Inum Approach (#/kg) 61800000000000
nvPME Inum Climb Out (#/kg) 433000000000000
nvPME Inum Idle (#/kg) 31800000000000
nvPME Inum Max (#/kg) 433000000000000
nvPME Inum Take Off (#/kg) 416000000000000
nvPMLTO Mass (mg) 8304
nvPMLTO Mass Per Thrust (mg/kN) 96.1
nvPMLTO Mass To CAEP11 (% of limit) 22.8
nvPMLTO Number (#) 83400000000000000
nvPMLTO Number Per Thrust (#/kN) 965000000000000
nvPMLTO Number To CAEP11 (% of limit) 18.6
nvPM Mass Concentration Characteristic (mg/m³) 1918
nvPM Mass Concentration Max (mg/m³) 1490
nvPM Mass Concentration To CAEP10 (% of limit) 31.8
Turbine Description 1-stage HP, 4-stage LP 1-stage high-pressure turbine (HPT), 1-stage low-pressure turbine (LPT), 4-stage free power turbine