Welcome, Mr. Parpoulas!
I'm moving your post to the General Discussion: Locomotives, Rolling Stock and Equipment forum. That said, there's a good chance that most agencies are happy with what they have for turnable seats, wherein the seat pair unlocks and is turned by hand at a service point. Perhaps some of our passenger service employee members can comment further.
I'm moving your post to the General Discussion: Locomotives, Rolling Stock and Equipment forum. That said, there's a good chance that most agencies are happy with what they have for turnable seats, wherein the seat pair unlocks and is turned by hand at a service point. Perhaps some of our passenger service employee members can comment further.