Originally Posted by FWAAA
Yes, it is. 18" is also the standard for MD-80 coach seats, meaning that AA has almost 350 aircraft flying all over the country from DFW and ORD with nice, 18" wide coach seats.
I thought MD seats were way narrower. But I guess I thought that as I sat because I was sitting in the second last row with the engine 1 foot to my right and lav 4 feet to my left.