“Deltas 717s use 100% fresh outside air.”
Flat-out LIE. I know that airplane. Do you need me to provide the panel and CB number for their recirc fan?
“Flat-out LIE. I know that airplane. Do you need me to provide the panel and CB number for their recirc fan?”
Yes. And I still won’t believe you:
“Like the DC-9, the 717 does not recirculate cabin air, but instead provides 100-percent fresh air for cabin ventilation and pressurization.”
https://www.boeing.com/commercial/aeromagazine/aero_01/textonly/fo01txt.html
I can go with BobL or both Boeing and Delta. Guess who I believe?