David has given 16 years of service to the PFA in several background roles. He was on the Executive Committee for nine years and subsequently the UK delegate to the FAI Homebuilt Commission for six years. He has represented PFA on external committees and contributed regularly to the magazine. He used his experience of foreign touring to write the PFA booklet on 'Crossing the Channel' and has done much to encourage the large number of PFA pilots who now venture abroad. For ten years, he has been manager of aircraft parking for the PFA Annual Rally, which attracts over 1700 visiting aircraft.