AeroClassics National Airlines Boeing 727-200 N4753 1:400 Diecast Model1: 400 Diecast: National Airlines Boeing 727 235 N4753 (AeroClassics AC411482) N4753, MSN 19473 (Line Number 606), was delivered to National Airlines on 23 July 1968. It served National throughout the carrier's existence until the 1980 merger with Pan American World Airways, after which it continued flying under Pan Am colors before being retired and scrapped at Miami in 1993. National Airlines operated its 727 fleet primarily on domestic US routes