How much does it cost to maintain a 747?

Maintaining a Boeing 747 can cost between $4 million to $12 million annually, depending on factors such as the model, age of the aircraft, usage, and maintenance practices. Regular maintenance, parts replacement, and inspections contribute significantly to these costs. Additionally, operating expenses such as fuel, crew salaries, and airport fees further impact overall costs. These figures can vary widely based on operational circumstances and specific maintenance programs.