✈️ Challenger 605 Acquisition Cost

New/List Price: ~ US$27 million for early production models. 


Pre‑owned Price (2025): ~ US$8.95 million to ~US$11 million+, depending on year, hours, condition. 


🔧 Challenger 605 Operating Costs

Fixed Annual Costs (based on ~300 flight hours):

Total Fixed Costs: ~ US$796,125/year 


Variable Costs (Per Flight Hour):

Example: One estimate gives a total variable cost of US$1,519,985/year at 400 hrs → ~ US$3,800/hr. 


🛠️ Challenger 605 Maintenance & Parts Costs

Major maintenance and engine program reserves are embedded within variable cost figures (~US$3,700–4,000 /hr in some estimates). 
Scheduled inspections, part replacements, overhaul reserves included in the breakdown but not always itemised separately in public sources.


🛬 Airport & Handling Fees

Landing, parking, FBO/handling, navigation fees typically included in miscellaneous/variable cost lines. Specific rates vary widely by airport and region.


📊 Annual Operating Cost Summary

Example (based on 450 hours/year):

Variable costs ~ US$2,185,524 

Fixed costs ~ US$946,773

Total ~ US$3,132,297/year 

Cost per flight hour ~ US$6,961/hr.


Example (based on 300 hours/year):

Fixed ~ US$796,125 

Variable ~ US$1,240,836

Total ~ US$2,036,961/year

Cost per flight hour ~ ~ US$6,790/hr.