The China Clipper, here taking off, is one of three giant Martin flying boats capable of carrying 30 passengers - in addition to a crew of seven and a heavy mail load - on all except the 2,400-mile hop between San francisco and Honolulu. Even on that long over-water jump it can take from six to a dozen passengers, depending upon their weight and the amount of mail.
The National Geographic Magazine | Zetu Harrys Collection
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