ATPL: What is the purpose of the pack cooling fans in the air conditioning system?
Domanda 158, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| Supplying The Heat Exchangers With Cooling Air During Cruise Flight. |
| Supplying the heat exchangers with cooling air during slow flights and ground operation. |
| Cooling of the APU compartment. |
| Supplying The Passenger Service Unit (psu) With Fresh Air. |
