. Journal of electricity . THE SEARCHLIGHT SECTIONIS AT YOUR SERVICE 364 JOURNAL OF ELECTRICITY [Vol. 45—No. 8 Commercial Possibilities of Aircraft in the West BY MAJOR H. H. ARNOLD (The commercial feasibility of aerial transportation is a logical sequel to the successful useof the airplane in such enterprises as the mail service, the forest patrol, and the mapping ofmountainous country by power companies. The author of the following interesting article onthe subject is officer in charge of Air Service, Ninth Corps Area, U. S. War Department.—The Editor.) The considerations which determine the
. Journal of electricity . THE SEARCHLIGHT SECTIONIS AT YOUR SERVICE 364 JOURNAL OF ELECTRICITY [Vol. 45—No. 8 Commercial Possibilities of Aircraft in the West BY MAJOR H. H. ARNOLD (The commercial feasibility of aerial transportation is a logical sequel to the successful useof the airplane in such enterprises as the mail service, the forest patrol, and the mapping ofmountainous country by power companies. The author of the following interesting article onthe subject is officer in charge of Air Service, Ninth Corps Area, U. S. War Department.—The Editor.) The considerations which determine the possi-bihties of utiUzing aircraft for commercial purposesare: (1st) The work which can be done by aircraftmore efficiently; and (2nd) The availability of suit-able airplanes for commercial purposes. In dealing with the work which ordinarily wouldbe expected to be done by aircraft only so much will. Power sites and drainage areas are usually located in such isolated or in-accessible regions that their mapping or inspection requires large partiesand months of work. Two Western power companies are already usingairplanes successfully in this work, with great savings in time, labor andexpense. The above view was taken from a patrol aii*plane above theCascade Mountains in Oregon. be taken into consideration as has already been at-tempted in the past by this means of uses of aircraft as exhibition flights and hap-hazard jitney service for passengers looking forthrills will be omitted as they are probably the bestknown examples of the inefficient use of aircraft. Requirements For Landing Fields Before aircraft of any character can be usedefficiently and generally in any locality, landing fieldsmust be provided. These landing fields must be ofsuch a size as to permit the safe landing of all typesof aircraft. The size of these fields depends directlyupon the speed of t
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