Delivered to Swissair as HB-IDI in 1969. To United Air Carriers as N923R in 1984. Still in Swissair colours. Used by Aeronautics Development Corp ADC for hush-kit testing. To Airborne Express in 1985 and reregistered as N801AX in 1986. Withdrawn from use at Wilmington, OH in 2001 and scrapped.