If your airline changes the plane type (e.g., from an Airbus A321 to a Boeing 737), seat maps reset. Be the first to re-select seats. Original 5F might now be a different physical location, but the system often lets you re-choose. Use this to upgrade from a middle seat to a window 5F for free.
Some startup carriers are selling seats as NFTs. Buying the "5F NFT" for a specific route (e.g., London to New York on flight 105) gives you the right to that exact seat for one year. You can resell, trade, or rent out "5F" to other passengers. While still experimental, this would turn "airline 5F" into a tradable asset. airline 5f
The alphanumeric code belongs to Air Arctic . If your airline changes the plane type (e