Jeppesen (also known as Jeppesen Sanderson) is an American company that specializes in navigational information, operations management solutions and flight training products and services. Airlines and pilots, ship operators and boaters, and railway companies use Jeppesen charts and data for navigation, and operations management tools to plan flights and voyages, schedule crews and fleets and otherwise optimize their operations. The company is a subsidiary of The Boeing Company. Jeppesen also publishes related software, some of which is used on its electronic flight bag and in others offered by avionics manufacturers and other third parties.