Embraer Legacy 450/500 and Praetor 500/600
family of mid-size and super mid-size business jets

The Embraer Legacy 450/500 and Praetor 500/600 are a family of mid-size and super mid-size business jets built by Brazilian aircraft manufacturer Embraer. The aircraft family was launched with the Legacy 500 in April 2008 and were the first jets in the size category to feature a flat-floor stand-up cabin and fly-by-wire.
The Legacy 500, with a range of 3,125 nautical miles [nmi] (5,790 km; 3,600 mi) and room for up to 12 passengers, first flew on November 27, 2012, and was certified on August 12, 2014. The shorter Legacy 450 first flew on December 28, 2013, was certified on August 11, 2015, has a range of 2,900 nmi (5,370 km; 3,340 mi), and can accommodate up to 9.
The Praetor 500 and 600 are improvements of the Legacy 450 and 500, respectively, introduced in October 2018 offering more range. The Praetor 600 has a range of 4,018 nmi (7,440 km; 4,620 mi), while the Praetor 500 has a range of 3,340 nmi (6,190 km; 3,840 mi).
Development
At the August 2007 National Business Aviation Association convention, Embraer unveiled a cabin mock-up of two concepts positioned between the $7 million Phenom 300 and the $26 million Legacy 600, called midsize jet (MSJ) and mid-light jet (MLJ), positioned on 22% of the market in units. The proposed aircraft share their flat floor, and stand-up cabin but the MSJ should be 1.5 m (5 ft) longer to accommodate 8 passengers over a 2,800 nmi (5,200 km; 3,200 mi) range against 2,200 nmi (4,100 km; 2,500 mi) for the smaller version.
The program was introduced in April 2008, Embraer planned to invest US$750 million and to introduce the larger model in 2012 and the smaller in 2013. Honeywell HTF7500E turbofans were selected along a Rockwell Collins Pro Line Fusion avionics suite integrated cockpit and a Parker Hannifin fly-by-wire flight control system.
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