Aviation start-up Chaise Longue, the brains behind the controversial dual-level seat, announced today it’s “exploring some ...

(Trust us, Spirit Airlines isn’t even on their radar.) Take a look at some of the best first class airplane seats, including all of their upscale amenities. Are these suites or hotel rooms?

If you’ve seen images of the infamous double-level airplane seat concept and thought “that’s never going to happen” — maybe think again. Aviation start-up Chaise Longue, the brains ...