9 Downloadable computer application software for use in aircraft control and navigation in the field of urban transportation systems, autonomous flight, avionics, electric and hybrid-electric propulsion, detect-and-avoid systems, mechanical motion, flight infrastructure and connectivity, and navigation; Downloadable computer application software for use providing information about the data, management, governance, and operations in the field of aerospace and aviation and in the fields of materials, methods, autonomy, robotics, manufacture, transportation, logistics, prototyping and urban transportation; Downloadable computer software for use as an application programming interface (API) for use in the field of transportation systems, autonomous flight, avionics, electric and hybrid-electric propulsion, detect-and-avoid systems, actuation, flight infrastructure and connectivity, and navigation; Downloadable computer software for use as an application programming interface (API) for use in the field of aerospace and aviation and in the fields of materials, methods, autonomy, robotics, manufacture, transportation, logistics, prototyping and urban transportation; Downloadable computer software for use as an application programming interface (API) in the nature of research, analysis, design and development, in the fields of aerospace and aviation and in the fields of materials, methods, autonomy, navigation, logistics, robotics, manufacture, transportation, prototyping, transport and urban transportation