During #SpaceDay, 17 July, at the Farnborough International Airshow 2018, the second in a series of media interactive talks hosted by ESA and the UK space industry. Talking about space and aviation: improving both safety and operational efficiency here are Magali Vaissiere, Director of Telecommunications and Integrated Applications, ESA; Alexander Grous, Professor, London School of Economics; Peter Hotham, Deputy Executive Director, SESAR JU; John Broughton, VP Safety Operational Services, Inmarsat.