@fslf
Feel free to qualify my post to whatever you want.
I'm sorry if it wasn't clear enough.
The price for highly automatic/sophisticated FD isn't zero. I was refering to Hyperveloce's post in respect to very basic FD like 727/747 classic versus very complex FD like AB fly by wire.
Kind regards
hetfield
727/A300/A340/A320
And yes, sometimes SLF
