The Citation CJ4, introduced in 2010, stands as the pinnacle of the CJ series, offering the longest range and highest speed within the lineup. Powered by Williams FJ44-4A engines, the CJ4 has a range of up to 2,165 nautical miles and a top cruising speed of 451 knots. It features a larger cabin that can accommodate up to ten passengers, providing more space and luxury amenities than its predecessors. The CJ4 is equipped with the Collins Aerospace Pro Line 21 avionics suite, offering advanced flight deck capabilities for enhanced safety and efficiency. Its spacious and well-appointed cabin includes features designed for business and leisure travel alike, making it a favorite among discerning travelers seeking the ultimate in light jet travel.