After the invention of the airplane in 1903, the early 20th century witnessed a swift advancement in aviation technology and the establishment of airports, catering to both commercial and recreational needs. Listen to Jack Treichler, Leighton Quarles, and Dan O'Toole as they discuss topics such as overlooked navigational tools, the beginnings of aviation in Arizona, the renowned Grand Canyon Airport, and the Negritos Airstrip.

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