This Double-decker Airplane Design Could Allow Everyone to Have

Designer Jeffrey O'Neil's creation, known as the Zephyr Seat, could one day allow passengers in economy class to lie flat, thanks to its double-decker-style seating arrangement.

This Double-decker Airplane Design Could Allow Everyone to Have

Modern Airliners - Airbus A380

Fly in a double-decker chaise longue—the newest way to maximize

The Surprising Brilliance of Double-Decker Airplane Seats

The Surprising Brilliance of Double-Decker Airplane Seats

Airbus A380 - Wikipedia

New Butterfly Seat Brings Lie-Flat Flexibility To Single-Aisle

Inside Four Double-Decker A380s: Same Aircraft, Different Cabin

Airbus Retiring Its Jaw-Dropping Giant, the A380, in an Industry

Man who designed new double-decker plane seats defends creation

Airliner - Wikipedia