Cliff Piper is a retired Commercial Pilot and joined the PFA in 1972. He is one of the few members who have built and flown an aircraft that he designed himself. He organised the homebuilders exhibition at the PFA Annual Rally for many years. He was elected to the Executive Committee in 1992. His biggest contribution has been as Chairman of the PFA Pilot Coaching Scheme. This is to give training for type conversion and farm-strip operation by a national team of Coaches operating under an exemption from the CAA. Subsequently he negotiated approval for the PCS Coaches to conduct biennial reviews. He has also played a major role in the negotiations to establish the NPPL. He was the PFA Representative on the board of GASCO for 12 years.