Originally Posted by N1Rotate

iluvdoco,

The seat is slightly angled relative to the floor, also the the headrest raises the seat near the head and the thinner cushion near the feet lowers it slightly at the end of the seat. For all intents and purposes it could be considered flat as the aircraft flies with a nose up attitude. Here is a photo of the A330 seat, you can compare the lines of the seat with the lines of the armrest.