In the 1920s Lockheed introduced the Model 8 Sirius which had been designed by Gerald Vultee. This was followed by the Model 9 Orion in 1930, which seated six passengers and a pilot.

The Legacy 600 is one of a series of business and executive aircraft designed, developed and constructed in Brazil by Embraer, being a development of the ERJ 135 family of commercial airliners, but being fitted with the Mark I cockpit installed in the EMB 145 series.