Ex 44-78645 and N1913M with Riddle Airlines and Zantop before export to Colombia in March 1966, joining Aerocondor as HK-400. It stayed in Colombia operating with Taxi Aero Opita, Aerolineas Medellin, SADELCA and Intercontinental before joining Aerosol in 1987. Crashed at La Colonia during an emergency landing en-route Mitú to Villavicencio in August 1993.