 He then acquired more nonscheduled airlines—Twentieth Century Airlines, Trans-American Airlines, Trans-National Airlines, and Hemisphere Air Transport—to bring North American Airlines' de facto fleet to 14 DC-3s and 1 DC-4, and to ensure the "3 and 8" limit would never again strangle their business.Another non-sked businessman named Irving Herman became Weiss' chief competitor through a similar scheme called Super Skycoach, which comprised Great Lakes Airlines, Currey Air Transport, and Trans Alaskan Airlines held together by the Trans Continental Airlines ticketing agency.In setting up his evasive business, however, Herman acted with greater caution than Weiss, whose bold maneuver attracted the ire of both scheduled airlines and the CAB.