Delivered new to the USA as N76FJ in Sep 1981 and operated by AYRE Inc. To Switzerland as HB-IEP on 28 Jan 1983. To the Swiss Air Force as T-783 on 25 Jan 1996. Back to the USA as N260ER on 24 Oct 2013. To N504ED on 09 Oct 2018. Still current in 2024.