; and (C) are cost effective solutions that may allow NASA to continue collecting legacy observations while developing next generation science missions; and (2) NASA should continue to support small satellite research, development, technologies, and programs, including technologies for compact and lightweight instrumentation for small satellites. IV Aeronautics 401. Short title This title may be cited as the Aeronautics Innovation Act . 402. Definitions In this title: (1) Aeronautics Strategic Implementation Plan The term Aeronautics Strategic Implementation Plan means the Aeronautics Strategic Implementation Plan issued by the Aeronautics Research Mission Directorate. (2) Unmanned aircraft; unmanned aircraft system The terms unmanned aircraft and unmanned aircraft system have the meanings given those terms in section 44801 of title 49, United States Code. (3) X- P lane The term X-plane means an experimental aircraft that is— (A) used to test and evaluate a new technology or aerodynamic concept; and (B) operated by NASA or the Department of Defense. 403. Experimental aircraft projects (a) Sense of Congress It is the sense of Congress that— (1) developing high-risk, precompetitive aerospace technologies for which there is not yet a profit rationale is a fundamental role of NASA; (2) large-scale piloted flight test experimentation and validation are necessary for— (A) transitioning new technologies and materials, including associated manufacturing processes, for general aviation, commercial aviation, and military aeronautics use; and (B) capturing the full extent of benefits from investments made by the Aeronautics Research Mission Directorate in priority programs called for in— (i) the National Aeronautics Research and Development Plan issued by the National Science and Technology Council in February 2010; (ii) the NASA 2014 Strategic Plan; (iii) the Aeronautics Strategic Implementation Plan; and (iv) any updates to the programs called for in the plans described in clauses (i) through (iii)