CFM56-5-A1

Turbofan · CFM International
Reaction Turbines
Maximum Takeoff Thrust
111.2 kN
Bypass Ratio
6
Overall Pressure Ratio
26.6
Fuel Flow Take Off
1.051 kg/s
NOx Unitaryto CAEP8
103.5 % of limit

Architecture

Fan Fan Stages — Fan Blades — Fan Technology — Fan Pressure Ratio —
Gearbox Geared Fan No Gear — Reduction Ratio —
LP compressor Low-Pressure Compressor Stages — Low-Pressure Compressor Technology — BP Compressor Pressure Ratio —
IP compressor Intermediary-Pressure Compressor Stages — Intermediary-Pressure Compressor Technology — IP Compressor Pressure Ratio —
HP compressor High-Pressure Compressor Stages — High-Pressure Compressor Technology — HP Compressor Pressure Ratio —
Combustor Combustion Chamber —
HP turbine High Pressure Compressor Stages — High-Pressure Turbine Technology —
IP turbine Intermediary-Pressure Turbine Stages — Intermediary-Pressure Turbine Technology —
LP turbine Low-Pressure Turbine Stages — Low-Pressure Turbine Technology —
Whole engine Streams 2 Bypass Ratio 6 Overall Pressure Ratio 26.6 Afterburner No

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All data (62 fields)
Name
CFM56-5-A1
EASA ID
1CM008
Aircraft Engine Manufacturer
CFM International
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Afterburner
No
Streams
2
Bypass Ratio
6
Overall Pressure Ratio
26.6
Maximum Takeoff Thrust (kN)
111.2
Hydrocarbon Take Off (g/kg fuel)
0.23
Hydrocarbon Climb Out (g/kg fuel)
0.23
Hydrocarbon Approach (g/kg fuel)
0.4
Hydrocarbon Idle (g/kg fuel)
1.4
Hydrocarbon Unitary Average (g/kN)
2.6
Hydrocarbon Unitary Sigma (g/kN)
0.5
Hydrocarbon Unitary Range (g/kN)
2.3-3.2
Hydrocarbon Unitary Characteristic (g/kN)
4
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
20.4
Hydrocarbon LTO (g)
285
Carbon Monoxide Take Off (g/kg fuel)
0.9
Carbon Monoxide Climb Out (g/kg fuel)
0.9
Carbon Monoxide Approach (g/kg fuel)
2.5
Carbon Monoxide Idle (g/kg fuel)
17.6
Carbon Monoxide Unitary Average (g/kN)
27.9
Carbon Monoxide Unitary SD (g/kN)
0.7
Carbon Monoxide Unitary Range (g/kN)
27-28.4
Carbon Monoxide Unitary Characteristic (g/kN)
34.2
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
29
NOx Take Off (g/kg fuel)
24.6
NOx Climb Out (g/kg fuel)
19.6
NOx Approach (g/kg fuel)
8
NOx Idle (g/kg fuel)
4
NOx Unitary Average (g/kN)
40.5
NOx Unitary SD (g/kN)
0.6
NOx Unitary Range (g/kN)
39.9-40.9
NOx Unitary Characteristic (g/kN)
46.9
NOx Unitaryto Standard (% of limit)
50.4
NOx Unitaryto CAEP2 (% of limit)
63
NOx Unitaryto CAEP4 (% of limit)
76.3
NOx Unitaryto CAEP6 (% of limit)
86.7
NOx Unitaryto CAEP8 (% of limit)
103.5
NOx LTO (g)
4506
Smoke Take Off (SN)
15.8
Smoke Climb Out (SN)
14
Smoke Approach (SN)
4.4
Smoke Idle (SN)
2.3
Smoke Max (SN)
15.8
Smoke Sigma (SN)
2
Smoke Range (SN)
13.5-17.3
Smoke Characteristic (SN)
20.3
Smoke Characteristicto Regulatory (% of limit)
88.5
Fuel Flow Take Off (kg/s)
1.051
Fuel Flow Climbout (kg/s)
0.862
Fuel Flow Approach (kg/s)
0.291
Fuel Flow Idle (kg/s)
0.1011
Fuel LTO (kg)
385
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
3093
Emissions Data Status
R
Engine Status
Out of production