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© 2026 Four Star, © 2026 Four Star, Bombardier Challenger 604
The Bombardier Challenger 604 is a Canadian business jet offering enhanced performance and systems over earlier Challenger variants with intercontinental range capability.
Common Questions
About Aircraft Accessory
Repair and Refurbishment
Bombardier Challenger 604 Accessory Overhaul Services
Introduced in 1996, the Bombardier Challenger 604 represented a significant upgrade over the original Challenger 601, incorporating advanced avionics, improved engines, and refined systems while maintaining the wide-body cabin comfort that made the Challenger family successful. The CL-604's range and reliability have made it popular with corporate flight departments, charter operators, and government agencies requiring transcontinental and intercontinental capability.
Four Star Accessory Overhaul provides comprehensive Bombardier Challenger 604 accessory overhaul services for operators of this advanced business jet. As a Bombardier approved repair station, we're authorized to perform factory-approved repairs maintaining warranty eligibility and airworthiness. Our capabilities span hydraulic systems, pneumatic components, power generation units, electromechanical accessories, and fuel system components.
Our FAA and EASA certifications enable seamless service for CL-604 aircraft regardless of registration, supporting business aviation operators with the flexible scheduling and rapid turnaround times that corporate missions demand. Our Bombardier business jet expertise ensures your Challenger 604 fleet receives the personalized service and quality that executive aviation operations require.
At Four Star, we hold FAA repair station certificate number EP3R483L. The certificate is rated for Accessory Classes I, II, and III (Unlimited), and non-destructive inspections. The certificate was originally issued in April 1988, and we are proud to have held it since that date.
DownloadAt Four Star, we hold FAA repair station certificate number EP3R483L. The certificate is rated for Accessory Classes I, II, and III (Unlimited), and non-destructive inspections. The certificate was originally issued in April 1988, and we are proud to have held it since that date.
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get in touchPartner with Four Star for Your Next Overhaul
Share a few details and we'll align on scope, lead time and logistcs, and a service specialist will follow-up within one business day.
