Abstract
ON April 6, four U.S.A. aeroplanes left Seattle on an air voyage of circumnavigation of the world. Five months later, on September 6, two out of the four arrived at Boston. Flying took place on 48 days out of 153 days thus consumed. The actual flying hours were 288; the distance covered was 21,500 miles. About every third day on the average was therefore a flying day of 6 hours flying at 75 miles per hour, giving a flying day's run of 450 miles.
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Circumnavigation of the Earth by Aeroplane. Nature 114, 439–440 (1924). https://doi.org/10.1038/114439a0
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DOI: https://doi.org/10.1038/114439a0