Specifications That Dominated
• Range: 7,456 km (4,025 nm) — transatlantic with reserves
• Speed: 870 km/h (470 knots) — faster than predecessors
• Capacity: 10 – 12 passengers in the updated cabin
• Avionics: Pro Line 4 — first Challenger with full glass cockpit
• Production: 365+ aircraft — the best-selling Challenger variant
The 604 introduced saddle tanks for increased fuel, reinforced landing gear, and structural revisions that extended service life. It became the backbone of corporate fleets, charter operators, and government missions worldwide.