The second of two Caribou's brought to Malta by NewCal Aviation to refurbish for the civil market. The company outfitted the first (9J-NAA / N5844R) for Union flight of Sacramento, CA, but it was lost on October 23, 1984 during delivery when it ran out of fuel off the coast of Canada and ditched. 9J-NAB became the second aircraft rebuilt and became N900NC with Union Flights.