In the mid-1990s, Bombardier recognized that its Challenger 601 needed major range, weight capacity and performance upgrades to make it more competitive with Falcon 900B and Gulfstream GIV-SP. The resulting Challenger 604, built from 1996 through 2006, was able to fly five passengers 4,000 nm at Mach 0.74 long range and 3,600 nm at Mach 0.80 normal cruise. The Falcon 900B and the GIV-SP still retained range, speed and cabin length advantages but the Challenger 604 had a wider cabin and ...


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