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JT8D-17 ✕ JT8D-17 ✕
EASA ID 1PW013 1PW012
Aircraft Engine Manufacturer Pratt & Whitney Pratt & Whitney
Aircraft Engine Type Turbofan Turbofan
Fuel Jet A Jet A
Geared Fan No No
Combustion Chamber Reduced emissions Smoke fix
Afterburner No No
Streams 2 2
Bypass Ratio 1.02 1.01
Overall Pressure Ratio 17.01 17.01
Maximum Takeoff Thrust (kN) 71.17 71.17
Hydrocarbon Take Off (g/kg fuel) 0.22 0.69
Hydrocarbon Climb Out (g/kg fuel) 0.27 0.79
Hydrocarbon Approach (g/kg fuel) 0.52 1.96
Hydrocarbon Idle (g/kg fuel) 1.25 10.2
Hydrocarbon Unitary Average (g/kN) 5.3 37.2
Hydrocarbon Unitary Sigma (g/kN) 9.3
Hydrocarbon Unitary Characteristic (g/kN) 6.2 41
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 31.5 209.4
Hydrocarbon LTO (g) 379 2646
Carbon Monoxide Take Off (g/kg fuel) 0.95 0.74
Carbon Monoxide Climb Out (g/kg fuel) 1.1 1
Carbon Monoxide Approach (g/kg fuel) 2.67 8.54
Carbon Monoxide Idle (g/kg fuel) 10.46 31
Carbon Monoxide Unitary Average (g/kN) 39.4 112.5
Carbon Monoxide Unitary SD (g/kN) 12.4
Carbon Monoxide Unitary Characteristic (g/kN) 42.6 118.3
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 36.1 100.3
NOx Take Off (g/kg fuel) 20.6 19.2
NOx Climb Out (g/kg fuel) 15.7 15.23
NOx Approach (g/kg fuel) 8 6.1
NOx Idle (g/kg fuel) 3.2 3.3
NOx Unitary Average (g/kN) 63.7 60.2
NOx Unitary SD (g/kN) 7.2
NOx Unitary Characteristic (g/kN) 70 62.5
NOx Unitaryto Standard (% of limit) 94.6 84.4
NOx Unitaryto CAEP2 (% of limit) 118.3 105.5
NOx Unitaryto CAEP4 (% of limit) 140.1 125
NOx Unitaryto CAEP6 (% of limit) 152.3 135.9
NOx Unitaryto CAEP8 (% of limit) 180.3 161
NOx LTO (g) 4559 4283
Smoke Take Off (SN) 16.8
Smoke Max (SN) 16.8 24
Smoke Sigma (SN) 3
Smoke Characteristic (SN) 18.5 25.5
Smoke Characteristicto Regulatory (% of limit) 71.1 98.2
Fuel Flow Take Off (kg/s) 1.245 1.245
Fuel Flow Climbout (kg/s) 0.997 0.997
Fuel Flow Approach (kg/s) 0.354 0.354
Fuel Flow Idle (kg/s) 0.1474 0.147
Fuel LTO (kg) 499 498
Fuel Venting Compliant No
Carbon Monoxide LTO (g) 2826 8005
Emissions Data Status C PR
Engine Status Out of production Out of production