Realistic way to retain value in Airliner seats which are purchased!

[Spezialist]

@zedoscarro

I was wondering, is this in place? I mean, lets say I have a seating configuration of 20C 150Y, and in the same aircraft I would like to change it to 30C 120Y using the same seats …

Yes, it works. In your example, you’d only pay for the additional 10 business class seats.