NASA/TM-2014-XXXXXX Combined Electric Aircraft and Airspace Management Design for Metro-Regional Public Transportation Dr. John Melton NASA Ames Research Center, Moffett Field, California Dr. Dean Kontinos NASA Ames Research Center, Moffett Field, California Dr. Shon Grabbe NASA Ames Research Center, Moffett Field, California Jeff Sinsay U.S. Army Aviation Development Directorate-AFDD (AMRDEC), Moffett Field, California Prof. Juan J. Alonso Stanford University Stanford, California Brendan Tracey Stanford University Stanford, California