04-18-2020, 06:36 AM
"They didn't need any permission because Northwest flew cargo only flights up to 2009."
Northwest owned freighter aircraft certificated by the FAA specifically for cargo-only use. Alaska still does, but they still need waivers from the FAA to put cargo on the passenger deck of their passenger aircraft.
ETA: more interesting are the Alaska combi aircraft:
https://www.alaskaair.com/content/travel...-400-combi
but they have been retired:
https://blog.alaskaair.com/alaska-airlin...e-retires/
Northwest owned freighter aircraft certificated by the FAA specifically for cargo-only use. Alaska still does, but they still need waivers from the FAA to put cargo on the passenger deck of their passenger aircraft.
ETA: more interesting are the Alaska combi aircraft:
https://www.alaskaair.com/content/travel...-400-combi
but they have been retired:
https://blog.alaskaair.com/alaska-airlin...e-retires/