The Challenger 604 is the best selling model of the Challenger series of aircraft, to date. It is powered by GE CF34-3B engines, with three percent lower fuel consumption, than 601- 3A engines, installed on the previous CL601-3A. The 604 have a maximum range of 4,000 nautical miles. The 604 features the Collins Pro Line 4 avionics system. It has an optional cabin arrangement that provides 19 extra inches of cabin length and two more cabin windows while reducing baggage space by seven cubic feet. The 604 made its first flight on September 18, 1994.
- Aircraft Library
- 1979 - 1988
The Westwind started out as the Aero Commander 1121 Jet Commander. When Rockwell (owner of Aero Commander) acquired North American Aviation (owner of Sabreliner) in



