The Cessna Citation 550 is a mid-size twin-engine jet built for business travel, carrying up to 10 passengers and flying roughly 2,000 nautical miles without refueling

The Citation 550, also called the Citation Bravo, entered service in 1993 as an upgrade to the earlier Citation II. It is a pressurized cabin aircraft with two turbofan engines, meaning it can climb to 43,000 feet and fly above most weather. The cabin is about 17 feet long and 5 feet wide—tight compared to a regional airliner, but comfortable for a business team of four to six people plus two crew members.

Cessna designed this jet to split the difference between smaller single-engine planes and large heavy jets. It costs less to operate than a larger aircraft but carries more people and flies farther than a light jet. The 550 remains common in fractional ownership programs and charter fleets because the economics work: it burns roughly 200 gallons per hour, which is significant but manageable for companies that fly 200 to 400 hours annually.

If you own one, charter one, or are considering either, you need to understand what maintenance actually costs, what the engines demand, and what happens when something fails at 35,000 feet. The difference between a well-maintained 550 and a neglected one is not just money—it is whether the aircraft gets you there safely.

Key Takeaways

  • The Citation 550 is a mid-size business jet with two turbofan engines, a pressurized cabin, and a range of about 2,000 nautical miles, making it suitable for transcontinental flights with a small team.
  • Engine overhaul is the single largest maintenance expense, typically running $400,000 to $600,000 per engine when the time-between-overhaul limit is reached, usually after 3,500 to 5,000 hours of flight.
  • The airframe requires inspection at 100-hour intervals, and components like the landing gear, hydraulic systems, and avionics need scheduled replacement or overhaul on fixed timelines regardless of how much the plane flies.
  • Fuel, crew, hangar, insurance, and maintenance reserves add up to roughly $3,000 to $5,000 per flight hour for owners, which is why fractional ownership and charter are common alternatives to full ownership.
  • The 550 is no longer in production, so parts come from used aircraft, aftermarket suppliers, or Textron Aviation (which acquired Cessna), and lead times can stretch to months for some components.

How the engines work and why they need overhaul

The Citation 550 uses two Pratt & Whitney JT15D turbofan engines, each producing about 2,500 pounds of thrust. A turbofan works by drawing air through a large fan at the front, compressing it, mixing it with fuel, igniting it, and using the hot exhaust to spin a turbine that drives the fan. This design is more fuel-efficient than a pure jet engine and produces less noise, which is why it became standard on business jets.

Each engine has a time-between-overhaul (TBO) limit of 3,500 to 5,000 hours, depending on how the aircraft is operated and maintained. When an engine reaches TBO, it must be removed and sent to an authorized overhaul facility—usually Pratt & Whitney or a certified shop—where it is completely disassembled, inspected, worn parts are replaced, and it is reassembled and tested. This process takes four to eight weeks and costs $400,000 to $600,000 per engine. For an owner, this is often the moment they decide whether to keep the aircraft or sell it.

The reason for TBO is not that the engine suddenly fails—it is that internal wear reaches a point where failure becomes statistically likely. Turbine blades, bearings, and seals degrade under extreme heat and pressure. An overhaul restores the engine to like-new condition and resets the clock. Owners who skip or delay overhaul are taking a real risk: an in-flight engine failure at altitude is survivable in a twin-engine jet because you have a second engine, but it is an emergency that requires when ready descent and landing at the nearest suitable airport.

Scheduled maintenance and inspection intervals

Beyond engines, the Citation 550 has a detailed maintenance schedule that does not stop just because the plane is parked. The Federal Aviation Administration (FAA) requires inspection and service at fixed intervals regardless of flight hours.

The 100-hour inspection is the most frequent major check. It covers the airframe, systems, and components and must be completed every 100 flight hours or every 12 months, whichever comes first. A 100-hour inspection typically takes 40 to 60 labor hours and costs $8,000 to $15,000 depending on what is found. The annual inspection is a lighter check required every 12 months and covers systems, fluid levels, and general condition; it costs $3,000 to $6,000.

Beyond these, the 550 has progressive maintenance tasks spread across the year: oil changes every 50 hours, filter replacements, fluid top-ups, and system checks. Every 2,000 flight hours, the landing gear must be overhauled. Every 5,000 hours, the airframe undergoes a more intensive inspection for corrosion and fatigue cracks. Avionics, autopilot, and pressurization systems have their own overhaul schedules. A well-maintained 550 will spend roughly 15 to 20 percent of its annual operating cost on scheduled maintenance alone.

Fuel consumption and operating costs

The Citation 550 burns approximately 200 gallons of Jet A or Jet A-1 fuel per hour at cruise. Jet fuel prices vary by location and market conditions but typically range from $4 to $7 per gallon at fixed-base operators (FBOs) at airports. A three-hour flight therefore costs $2,400 to $4,200 in fuel alone. This is why charter companies and fractional owners track fuel surcharges carefully and why long-distance flights in a 550 are economical only when you have a full cabin or a time-critical mission.

Fuel cost is only part of the picture. A complete operating budget for a 550 includes crew salaries (two pilots, typically $150,000 to $200,000 annually), hangar rent ($1,500 to $3,000 per month depending on location), insurance ($15,000 to $30,000 per year), and a maintenance reserve. Industry estimates put the fully-loaded cost at $3,000 to $5,000 per flight hour for an owner. This is why most 550s are owned by companies that fly 300 to 500 hours per year, or are part of fractional ownership programs where costs are split among multiple owners.

Avionics, pressurization, and systems reliability

The Citation 550 was designed in the 1980s, so older aircraft may still have original analog avionics—mechanical instruments and older autopilot systems. Many owners have upgraded to glass cockpits (digital displays like the Garmin G1000 or Honeywell Primus Epic) to improve safety, reduce pilot workload, and meet modern air traffic control requirements. A glass cockpit retrofit costs $300,000 to $600,000 and takes several months, but it extends the aircraft's useful life and makes it easier to sell.

The pressurization system keeps the cabin at a comfortable altitude even when the aircraft is flying at 43,000 feet. It uses engine bleed air, regulators, and outflow valves to maintain cabin pressure. If the system fails, the pilots must descend when ready to an altitude where the air is breathable—usually below 10,000 feet. Pressurization components are reliable but require regular inspection and occasional replacement. A pressurization valve overhaul costs $5,000 to $10,000.

The hydraulic systems power the landing gear, flight control surfaces, and brakes. The 550 has redundant hydraulic systems so that a single failure does not leave you without control. Hydraulic fluid must be checked and changed on schedule, and hoses and seals degrade over time. A hydraulic system overhaul can run $15,000 to $25,000 per system.

Parts availability and the used aircraft market

The Citation 550 has not been in production since 2006, so parts come from three sources: used aircraft being scrapped or parted out, aftermarket suppliers, and Textron Aviation (which owns Cessna). Lead times for some components can stretch to three months or longer, which is why owners keep spare parts on hand and why maintenance planning must happen well in advance.

This also affects resale value. A 550 in good condition with a recent engine overhaul, modern avionics, and low total airframe hours might sell for $2 million to $3.5 million, depending on the market. An aircraft with aging avionics, high hours, and an engine approaching TBO might sell for $1 million to $1.5 million. The cost of deferred maintenance is real and shows up when ready in the asking price.

If you are considering buying a used 550, a pre-purchase inspection by an independent shop is essential. This inspection, called a pre-buy, typically costs $10,000 to $20,000 and takes a week or two. It uncovers hidden corrosion, cracks, component wear, and maintenance records that the seller may not have disclosed. For an aircraft that costs millions, this is cheap insurance.

Fractional ownership and charter as alternatives to full ownership

Full ownership of a 550 makes sense only if you fly regularly and can absorb the fixed costs. For companies that fly 100 to 300 hours per year, fractional ownership is often cheaper. Programs like NetJets or Flexjet let you buy a share of an aircraft (typically 1/16 to 1/8) and pay a monthly management fee plus an hourly flight cost. You get access to a fleet of similar aircraft, professional crew, and maintenance handled by the operator. The trade-off is that you do not own the aircraft and cannot customize it.

Charter is the most flexible option: you pay only for the hours you fly, plus a positioning fee if the aircraft must deadhead to reach you. Charter rates for a 550 typically run $4,000 to $6,000 per flight hour, all-in. This is higher than the marginal cost of flying a 550 you own, but it includes crew, fuel, maintenance, and insurance, so there are no surprises.

Frequently Asked Questions

How far can a Citation 550 fly on a full tank?

The 550 has a maximum range of about 2,000 nautical miles with reserves, which is roughly New York to Denver or Los Angeles to Chicago. With a full cabin and headwinds, the actual range is shorter. Most operators plan for 1,500 to 1,700 nautical miles to keep reserves safe.

What happens if an engine fails during flight?

The 550 is certified to fly safely on one engine. The remaining engine produces enough thrust to maintain altitude and reach an airport. The pilot will declare an emergency, descend to a lower altitude if needed, and land at the nearest suitable airport. This is why twin-engine jets are safer than single-engine aircraft for over-water or remote flying.

Can a Citation 550 land at small airports?

Yes. The 550 needs a runway at least 4,000 feet long and 75 feet wide, which is available at most regional airports and many smaller facilities. It cannot land on grass strips or very short runways, but it has more flexibility than larger jets.

How often does the airframe need major inspection?

The 550 undergoes a detailed inspection every 2,000 flight hours and a more intensive structural inspection every 5,000 hours. These inspections look for corrosion, fatigue cracks, and wear. An aircraft with 10,000 total hours has had five major inspections and is typically considered mid-life.

What is the difference between a Citation 550 and a Citation 560?

The Citation 560 (Citation Ultra) is a later model with more powerful engines, better avionics, and a slightly longer range. It is faster and more efficient but costs more to operate. Both are still in use, and the choice depends on mission requirements and budget.