McDonnell Douglas DC-9-10
Northwest Airlines McDonnell Douglas DC-9-14, N3313L, is shown at Memphis on September 23, 1986 wearing Northwest Airlines titles
and tail colors and Republic Airlines fuselage colors following the merger of the two carriers.
Wearing yet another hybrid post-merger livery, Northwest Airlines McDonnell Douglas DC-9-14, N3314L, is shown at San Louis in June
1987 wearing Northwest Airlines name titles with Republic's older fuselage and tail colors.
Northwest Airlines McDonnell Dougla DC-9-15, N94S, is shown at Louisville on March 1, 1998 wearing the carrier's 1989-introduced
livery.