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Show AIRCHARTING 10 BEGINjJANUARY I ERIAL MAIL ROUTE SOON TO BE MAPPED OUT BY U. S. MILITARY AVIATORS, Woodrow Wilson Aerial Highway Extends Ex-tends From San Diego, Cal., to New York and Includes Prin-cital Prin-cital Intermountain Cities. Charting of the Wnralrnw Wilson nltv way by United States military aviators avia-tors will be undertaken about January Janu-ary 1, according to word received here from the department of military aeronautics. aero-nautics. The next step in the charting of the transcoutinental airways will be taken by San Diego airmen next week when they will fly to Needles and return. This will complete the mapping of Arizona and California. The airmen will then swing into Utah, Nevada and Wyoming with the main operating btise tit. Stilt Lake City. Colonel Harvey P.urwell. commander of Rockwell field, said today that the airmen who will fly to Needles and then carry on the air mapping work-in work-in Utah have not yet been selected. It is' believed that Major Albert Smith, who is now en route to the Atlantic on an air mapping tour, will be selected for the Utah., Wyoming and Nevada work because of his experience and skill. According to Major Theodore Mac-Cauley, Mac-Cauley, it will be necessary for aerial mail carriers engaged in transcontinental transcontin-ental flights to leave many cities either just before sunrise or a few minutes after sunset. MacCauley found on his recent nignts to sun Jjiego rroiii iort Worth, Tex., that swirling air currents invariably are found between 5 and 8 a. m. and 2 and G p. m. over cities that are located in great valleys or at the base of high foothills or mountains. moun-tains. These currents are caused by the warm air in the valleys lifting and the downward rush of cold air from the mountains to take the place of the warm air. At one period during his recent re-cent flight MacCauley was held absolutely ab-solutely stationary at a height of S000 feet for thirty minutes by a blast of cold air rushing down into the Imperial valley from the Jacumba mountains. MacCauley had a similar experience near Wellton, Ariz. The Woodrow Wilsor aerial highway extends from San Diego to San Francisco, Fran-cisco, thence to Rena, Salt Laek City, Ogden, Kansas City, Chicago and New York. It is understood that this will be the first cloud line limited mail service to be put in operation. Airmen Air-men estimate that it will be necessary to maintain an altitude of 10,000 feet after leaving Kansas City westbound. The actual flying .time will be about twenty-four hours. Giant Hundley-Page Hundley-Page airplanes equipped with 750 horsepower motors and with a speed of 105 miles an hour are to be employed em-ployed in all trans-continental aerial mail work, according to present plans. |