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The story of the Jeppesen chart begins with Elrey Borge Jeppesen, a pioneering airmail pilot flying in the United States during the late 1920s. In the early days of aviation, pilots flew by ground reference, landmarks, and unreliable personal notes. Recognizing the extreme danger of flying blind in poor weather, Jeppesen bought a ten-cent notebook and began recording terrain elevations, flight paths, field lengths, and phone numbers of local managers. jeppesen chart
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