McDonnell Douglas DC-9-50
Republic Airlines McDonnell Douglas DC-9-51, N779NC, is shown at Detroit Metro Airport on July 27, 1980.
Still wearing its basic North Central Airlines color scheme, Republic Airlines DC-9-51, N766NC, is shown approaching San Diego in March 1983.
Wearing the final Republic Airlines livery, McDonnell Douglas DC-9-51, N769NC, is shown at Bismarck, North Dakota in March 1986.