Frontier Airlines  Convair 340-31     N73112               (c/n      16)

                                   

                                    As business grew and more capacity was needed, Frontier purchased 16 Convair 340s from United
                                    Air Lines in the late 1950s, early 1960s.  Seen above is "Sunliner Arapahoe" in typical frontier country,
                                    loading up at Jackson Hole Airport, Wyoming  on a summer's day on 1963.