As per the headline, it's tight but Airbus and Stelia (seat manufacturer) think they can conceptualise cramming in 3x3 (staggered) lie flat seats, onto single aisle A320 aircraft - they call it C Suite.
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Airbus and Stelia show off new C Suite ultra-compact narrowbody seat
The name is C Suite, it’s a joint collaboration between Airbus and its premium seatmaker subsidiary Stelia, and it’s a new category of seat.
runwaygirlnetwork.com
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