• HK-249-X Government of Colombia. Delivered 10-Oct-1956.
• HK-249 AeroTaxi (Avianca–Aerovìas Nacionales de Colombia SA), Bogota, Colombia.
• HK-249 AE-Colombia (Aerolineas Especiales de Colombia).
• HK-249 TAS – Taxi Aero Santander Ltda.
Note: Taxi Aero Sabanero Ltda., & Aerolinas Especiales de Colombia also reporterd.
• HK-249 AeroTaxi Americano, Aeropuerto Palnegro, Bucaramanga. Circa 1977-1979.
Accident: Carategena del Chairá, Caquetá, Colombia. 14-Sep-1977. After departing from Florencia, aircraft crashed during photogrammetric flight. Pilot (45) died, five passengers injured. Aircraft reported as written off but also as damaged and repaired.