The purchase price of a business jet is only part of the financial picture. Operating and maintaining an aircraft involves a range of ongoing costs, including crew salaries, inspections, fuel, parts replacement, and major maintenance events.

While costs vary depending on aircraft size and usage, examining real-world examples helps illustrate how operating expenses scale across different categories of business jets.

To provide context, we can compare two aircraft that represent very different segments of business aviation:

• Bombardier Global Express XRS, an ultra-long-range large cabin jet
• Cessna Citation CJ3, a light business jet designed for regional travel

Both aircraft perform similar roles in transporting passengers efficiently, but their operating costs differ substantially due to size, performance, and system complexity.

Cost to Maintain a Large Cabin Business Jet

Bombardier Global Express XRS

The Bombardier Global Express XRS is designed for intercontinental travel with a spacious cabin and long range capability. Aircraft in this category are commonly used by large corporations, charter operators, and government flight departments.

Because of their size and capability, large cabin aircraft naturally have higher operating costs.

Annual Fixed Costs

Fixed costs are expenses that occur regardless of how many hours the aircraft flies each year. These costs typically include crew salaries, insurance, and storage.

Typical annual fixed costs for a Global Express XRS may include:

Crew salaries: about $540,000
Hangar storage: about $12,000
Hull insurance: about $25,000
Liability insurance: about $45,000
Miscellaneous expenses: about $21,000

Total estimated annual fixed costs: about $740,000

These costs represent the baseline expense required to keep the aircraft staffed, insured, and stored safely.

Variable Operating Costs

Variable costs increase as the aircraft flies more hours. Fuel, maintenance, and engine reserves are the largest contributors.

For a Global Express XRS, typical hourly operating costs may include:

Fuel consumption: roughly 530 gallons per hour

Fuel cost (at $5 per gallon): about $2,700 per hour

Maintenance: about $700 per hour

Engine reserves: about $1,200 per hour

Miscellaneous operating costs: about $600 per hour

Total estimated hourly operating cost: about $5,100 per hour

These costs are often used by operators when estimating charter pricing or planning annual operating budgets.

Engine Maintenance and Overhaul

Large cabin aircraft also face significant long-term engine maintenance expenses.

The Global Express XRS is powered by Rolls-Royce BR710 engines, which typically have overhaul intervals of roughly 8,000 hours. An overhaul for engines of this size can cost several million dollars, with major inspections often occurring midway through the overhaul cycle.

Because of these costs, many operators enroll their engines in manufacturer maintenance programs that spread the expense over time through hourly reserve payments.

Cost to Maintain a Light Business Jet

Cessna Citation CJ3

The Cessna Citation CJ3 represents a smaller category of business jet designed for efficiency and shorter missions. Light jets are commonly used by owner-operators, charter companies, and smaller corporate flight departments.

Because of their smaller size and lower fuel consumption, operating costs are considerably lower than large cabin aircraft.

Annual Fixed Costs

Typical annual fixed costs for a Citation CJ3 may include:

Crew salaries: about $225,000
Hangar storage: about $26,000
Hull insurance: about $9,000
Liability insurance: about $25,000
Miscellaneous expenses: about $7,000

Total estimated annual fixed costs: about $290,000

These lower fixed costs make light jets more accessible to private owners and smaller operators.

Variable Operating Costs

Variable operating costs for the CJ3 are significantly lower due to smaller engines and reduced fuel burn.

Fuel consumption: roughly 170 gallons per hour

Fuel cost (at $5 per gallon): about $850 per hour

Maintenance: about $140 per hour

Engine reserves: about $300 per hour

Miscellaneous operating costs: about $140 per hour

Total estimated hourly operating cost: about $1,400 per hour

This efficiency allows light jets to operate economically on shorter regional routes.

How Aircraft Size Affects Operating Costs

The difference between these two aircraft demonstrates how operating costs scale with aircraft size and capability.

Estimated annual operating costs based on approximately 300 flight hours per year:

Global Express XRS: roughly $4 million annually

Citation CJ3: roughly $1.1 million annually

Several factors drive these differences:

• engine size and overhaul costs
• fuel consumption
• aircraft system complexity
• crew requirements
• insurance values

Large cabin jets provide greater range, speed, and cabin space, but they require significantly larger operating budgets.

Major Maintenance Events

In addition to regular operating expenses, business jets also require periodic major maintenance events throughout their lifecycle.

These may include:

• engine overhauls
• landing gear overhauls
• avionics upgrades
• interior refurbishments
• scheduled inspection programs

Landing gear overhauls, for example, typically occur approximately every 10 to 12 years and can represent a major maintenance expense depending on the aircraft type.

Planning for these events is an important part of long-term aircraft ownership.

The Role of Replacement Parts

Aircraft maintenance frequently involves inspecting, repairing, or replacing components throughout the aircraft.

Parts such as actuators, sensors, valves, avionics components, and cabin equipment are regularly serviced during inspections or troubleshooting events. Access to reliable parts suppliers plays an important role in keeping aircraft operational and minimizing downtime.

The aviation aftermarket helps operators obtain components efficiently while maintaining proper documentation and traceability.

Example Operating Cost Comparison

Aircraft	Category	Hourly Cost	Estimated Annual Cost (300 hrs)
Bombardier Global Express XRS	Large Cabin Jet	~$5,100/hr	~$4,000,000
Cessna Citation CJ3	Light Jet	~$1,400/hr	~$1,100,000

Browse Available Aircraft Parts

Maintaining a business jet requires access to reliable aircraft components and trusted suppliers.

Browse our current aircraft parts inventory to view available components and condition codes.