Sinclair C5 of Liverpool, which planned to sell 1,000 of them to an Egyptian businessman for use on a university campus while another 1,500 were intended to be sold in the UK. Many reasons have been suggested for the failure of Sinclair Vehicles and what Dale calls "the jigsaw of the C5's disappointment". One of the receivers of Sinclair Vehicles, John Sapte, suggested that Sinclair had taken the wrong tack with its marketing of the C5: "It was presented as a serious transport, when perhaps it should have been presented as a luxury product, an up-market plaything." Ellar's director Maurice Levensohn took
Personal air vehicle Personal air vehicle A personal air vehicle (PAV), also personal aerial vehicle, is an emergent aviation market that would provide on-demand aviation services. This term was first used by NASA in 2003 when it established the Personal Air Vehicle Sector Project, as part of the Aeronautics Vehicle Systems Program. This project was part of NASA Vehicle Integration, Strategy, and Technology Assessment (VISTA) office, which also included sectors for Subsonic Transports, VTOL Aircraft, Supersonic Aircraft, and High Altitude Long Endurance Aircraft. The objective of each sector was to establish vehicle capability goals and the required technology investment strategies to achieve those