Originally Posted by
NWAFA
To my knowledge, all the air stairs have be removed from the DC-9s. I remember it had to do with saving money. Flying the stairs around that were no longer used cost to much. (pre merger) I thought that all of the cities that NW served all had jet bridges or mobile air stairs now.
I could be wrong. I haven't worked a DC-9 in close to 20 years.
right after they were removed I know a few were kept for some locations...but it wasn't many, forget who told me but it was a reliable source