Originally Posted by Bird Watcher
How do three engines make it part MD80? The MD80, formerly the DC9-80 is a twin.
Welcome to Flyertalk.
I'm quite certain that Robert knows that MD-80s are twins - I didn't interpret the comment about the "tri jet engines on rear tail" as implying that super80s (as we at AA call them) were tri jets. You apparently interpreted his comment differently.