A jet aeroplane equipped with old engines has a specific fuel consumption of 0.06 kg per Newton of thrust and per hour and, in a given flying condition, a fuel consumption of 14 kg per NM. In the same flying conditions, the same aeroplane equipped with modern engines with a specific fuel consumption of 0.035 kg per Newton of thrust and per hour, has a fuel consumption per NM of:
Domanda 193, Performance - ATPL - Airline Transport Pilot license
| 11.7 kg / NM |
| 14 kg / NM |
| 10.7 kg / NM |
| 8.17 kg / NM |
