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PW4056 ✕ JT9D-7R4H1 ✕
EASA ID 1PW041 1PW030
Aircraft Engine Manufacturer Pratt & Whitney Pratt & Whitney
Aircraft Engine Type Turbofan Turbofan
Fuel Jet A Jet A
Geared Fan No No
Afterburner No No
Streams 2 2
Bypass Ratio 4.7 4.8
Overall Pressure Ratio 29.3 26.7
Maximum Takeoff Thrust (kN) 252.4 249.1
Hydrocarbon Take Off (g/kg fuel) 0.11 0.15
Hydrocarbon Climb Out (g/kg fuel) 0.17 0.14
Hydrocarbon Approach (g/kg fuel) 0.25 0.18
Hydrocarbon Idle (g/kg fuel) 0.66 1.48
Hydrocarbon Unitary Average (g/kN) 1.2 2.7
Hydrocarbon Unitary Characteristic (g/kN) 1.8 3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 9.4 15.5
Hydrocarbon LTO (g) 288 651
Carbon Monoxide Take Off (g/kg fuel) 0.08 0.74
Carbon Monoxide Climb Out (g/kg fuel) 0.14 0.63
Carbon Monoxide Approach (g/kg fuel) 0.9 1.39
Carbon Monoxide Idle (g/kg fuel) 11.6 11.63
Carbon Monoxide Unitary Average (g/kN) 14.2 20.4
Carbon Monoxide Unitary Characteristic (g/kN) 17.4 21.7
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 14.8 18.4
NOx Take Off (g/kg fuel) 32.5 45.2
NOx Climb Out (g/kg fuel) 24.6 30
NOx Approach (g/kg fuel) 11.6 8.9
NOx Idle (g/kg fuel) 5 3.8
NOx Unitary Average (g/kN) 51.7 65.2
NOx Unitary Characteristic (g/kN) 59.9 68.2
NOx Unitaryto Standard (% of limit) 60.8 73
NOx Unitaryto CAEP2 (% of limit) 76 91.2
NOx Unitaryto CAEP4 (% of limit) 91 110.4
NOx Unitaryto CAEP6 (% of limit) 103.4 125.5
NOx Unitaryto CAEP8 (% of limit) 121.9 150
NOx LTO (g) 13043 15683
Smoke Take Off (SN) 14.3 7.6
Smoke Max (SN) 14.3 7.6
Smoke Characteristic (SN) 18.4 8.4
Smoke Characteristicto Regulatory (% of limit) 100.2 45.4
Fuel Flow Take Off (kg/s) 2.449 2.512
Fuel Flow Climbout (kg/s) 1.981 1.999
Fuel Flow Approach (kg/s) 0.647 0.7227
Fuel Flow Idle (kg/s) 0.188 0.2454
Fuel LTO (kg) 813 926
Fuel Venting Compliant No No
Carbon Monoxide LTO (g) 3587 4938
Emissions Data Status C C
Engine Status Out of production Out of production