United's DC-6 Mainliner 300

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Mainbaur 200 United – A

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POST UNITED CARD AIR LINES With a 5-mile-a-minute cruising speed, United's 50- passenger DC-6 Mainliner 300s are flown coast to coast in less than 10 hours-making only one stop en route. Features include air and pressure conditioning, extra spaciousness, savory meals. CA-550 Here