Publisher's Synopsis
Excerpt from Air Navigation
Since this book is based largely on original material, credit is also due those who helped in this preliminary work: Lieutenant J. E. Gingrich, U. S. Navy, with the Line of Position Book; Lieutenant F. R. Dodge, U. S. Navy, Mr. Louis R. Johnson, and Harold C. Gatty, with the Star Altitude Curves; and Mr. J. F. Burke of the Navy Yard, New York, with Aviator's Dead-reckoning Tables. Also, the development of the Star Altitude Curves proved to be an extensive undertaking and I am indebted, for financial help and advice to my brother, Captain G. H. Weems, U. S. Army; to my friend, Lincoln Ellsworth; to my cousin, Andrew Gennett; to my uncle, F. A. M. Burrell; and to my friend, E. J. Willis.
In collecting data and making tests of instruments and methods dis cussed in this book, it was desirable to make repeated flights under various conditions. The following air lines gave generous assistance in this work: The Maddux Air Lines, The Western Air Express, West Coast Air Transport Company, and The Boeing Company.
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