Flying the DC-10 by Vic Bentley   DC-10-30, Canadian Airlines   The DC-10 is one of the second-generation of large jetliners. The first was the Boeing 747, the 4-engine behemoth that is still flying today. In its footsteps came the trijet Lockheed L-1011 and Douglas DC-10. The latter, first flown in 1970, was a long-lived…