Jeppesen's wife, former flight attendant Nadine Jeppesen, was also important to the company's early years. Other pilots started to collect data on their own routes and handing this to Jeppesen for him to include in his navigation book. The information that he collected and the charts that he drew were at first only for personal use, but fellow pilots quickly saw the benefits of using these charts and Jeppesen started selling copies of his chart book for $10. The company was founded in 1934, by Elrey Borge Jeppesen, a pilot working for Varney Air Lines, who was the first to make aeronautical charts for pilots to navigate in flight. Ī Jeppesen Sanderson flight computer, on display at the MIT Museum. The company employs approximately 3,200 people. Jeppesen has offices in locations around the world, including Neu-Isenburg (Germany), Massa (Italy), Crawley (United Kingdom), Gothenburg (Sweden), Canberra (Australia) and Gdańsk (Poland). The postal designation of Englewood is used in the company's mailing address. Jeppesen is headquartered in Inverness, Colorado, a census designated place in Arapahoe County. This popularity extends to electronic charts, which are increasingly favored over paper charts by pilots and mariners as mobile computing devices, electronic flight bags, integrated electronic bridge systems and other display devices become more common and readily available. Jeppesen's aeronautical navigation charts are often called 'Jepp charts' or simply 'Jepps' by pilots, due to the charts' popularity. Jeppesen (also known as Jeppesen Sanderson) is an American company offering navigational information, operations planning tools, flight planning products and software.

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