Ameer Randolph
The fuel tank capacity of an aircraft is an important consideration for pilots, as it determines the range of the aircraft. Cessna is a popular manufacturer of small aircraft, with various models in production, including the Cessna 172, Cessna 182, and Cessna 206/207. The fuel tank capacity varies across these models, with some Cessnas having the option of additional fuel tanks to extend their range. For example, the Cessna 172S has a fuel capacity of 56 gallons, while the Cessna 182 can hold up to 88 gallons. The Cessna 206/207 can be fitted with auxiliary fuel tanks that add an extra 50 gallons. The Cessna 185 has a fuel capacity of 88 gallons, with 84 gallons being usable. Understanding the fuel tank capacity and the corresponding range is crucial for pilots when planning flights and ensuring they have adequate fuel for their journey.
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What You'll Learn
- The Cessna 172S has two fuel tanks, with a total capacity of 56 gallons
- The Cessna 185 has two 32.5-gallon tanks, with a long-range option of 42 gallons each
- The Cessna 182 has various fuel tank options, with some models offering 88 gallons
- The Cessna 206/207 can be fitted with auxiliary fuel tanks, increasing capacity by 50 gallons
- Cessna Skylane/Skyhawk series aircraft can be modified to increase fuel tank capacity
The Cessna 172S has two fuel tanks, with a total capacity of 56 gallons
The Cessna 172S is a high-wing aircraft with two fuel tanks, one mounted in each wing. This design allows gravity to do much of the work when it comes to pressurizing the system, which is particularly useful when starting the engine. Each tank can hold 28 gallons of fuel, for a total capacity of 56 gallons. However, only 53 gallons of this fuel is usable. This is because the lines that draw fuel to the engine are slightly above the bottom of the tanks, ensuring that any contaminants that may have made their way into the fuel are left at the bottom and not drawn into the engine.
The Cessna 172 series, which includes the 172S, is a popular choice for pilots. The 172C, for example, has a fuel capacity of 60 gallons, according to one owner. Cessna appears to have changed the fuel tanks for the 172C from those used in previous models, which may have caused some confusion around the correct fuel tank capacity. Some sources suggest that the 172C has two 21-gallon tanks, for a total of 42 gallons, with only 37 gallons being usable during normal flight.
It is important to accurately measure fuel tank capacity to ensure safe and efficient flight operations. One recommended method is to empty the tanks and then refill them from an accurate source, such as a fuel truck. This process can be dangerous due to the risk of static electricity igniting fuel fumes, so it is crucial to take the necessary precautions. Additionally, using a fuel dipstick and a watch are proven methods for fuel management and can provide accurate fuel usage information.
The Cessna 185, another popular model, has two 32.5-gallon tanks, one in each wing, for a total capacity of 65 gallons. With the long-range system, the fuel quantity can be increased to 42 gallons per tank, providing a real-world range of about 600 to 700 nautical miles with reserve and alternate fuel.
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The Cessna 185 has two 32.5-gallon tanks, with a long-range option of 42 gallons each
The Cessna 185 is an aircraft that first appeared in 1961, an evolution of the Cessna 180 model. The Cessna 185 has two 32.5-gallon fuel tanks, with one tank in each wing of the aircraft. This gives the Cessna 185 a standard fuel capacity of 65 gallons, with 64 gallons being usable.
The Cessna 185 also offers a long-range fuel system option, increasing the fuel capacity to 42 gallons per tank, for a total of 84 gallons, with 80 gallons being usable. This long-range option provides a real-world range of approximately 600 to 700 nautical miles with reserve and alternate fuel.
The fuel system in the Cessna 185 is designed to supply fuel to the engine via gravity, through a fuel accumulator tank. The fuel passes through a fuel shut-off valve and a fuel strainer to the engine-driven fuel pump, bypassing the two electric fuel pumps when they are inactive. The vapor and excess fuel from the engine-driven fuel pump are then returned to the main fuel tanks via the vapor separator-fuel accumulator tank.
The Cessna 185's fuel quantity is measured by two electrically operated indicators, ensuring accurate fuel level readings. The aircraft's fuel system is simple and reliable, requiring minimal unscheduled maintenance, making it a popular choice for pilots seeking a robust and dependable aircraft.
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The Cessna 182 has various fuel tank options, with some models offering 88 gallons
The Cessna 182 is a versatile aircraft with a range of fuel tank configurations to suit different needs. One of the most popular options is the Cessna 182 with 88 gallons of fuel capacity, providing a generous range for pilots. This variant, with its ample fuel capacity, is well-suited for those seeking extended endurance or planning to embark on longer journeys.
The Cessna 182's fuel tank options vary, and some models offer impressive fuel capacities. For example, the factory-configured 88-gallon fuel tank provides a significant advantage for pilots who require additional range or endurance. This option is ideal for those embarking on long-distance flights or seeking peace of mind during their travels.
Additionally, the Cessna 182 is known for its customizability, and some owners have modified their aircraft to accommodate different fuel tank setups. For instance, one owner reported having a 1975 Cessna 182P with 37 gallons per side, totalling 74 gallons of fuel capacity. This configuration is more than sufficient for a 5-hour endurance flight while maintaining VFR reserves. It's worth noting that this particular model may have been modified with long-range tanks, showcasing the adaptability of the Cessna 182 design.
The flexibility of the Cessna 182's fuel tank options is further highlighted by the availability of extended-range tanks and auxiliary fuel systems. Pilots seeking even greater endurance can opt for extended-range tanks, which are commonly found on tubular gear 182 models. Additionally, auxiliary fuel systems can provide a notable boost in range, with options such as Skyway's Auxiliary Fuel System Enhancement adding an extra 50 gallons of fuel capacity to the Cessna 206 or 207 models.
In summary, the Cessna 182 offers a diverse range of fuel tank options to cater to various pilot needs. Whether it's the factory-configured 88-gallon fuel tank, modified setups, or the availability of extended-range tanks and auxiliary fuel systems, the Cessna 182 provides flexibility and peace of mind for pilots embarking on a wide range of flying adventures.
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The Cessna 206/207 can be fitted with auxiliary fuel tanks, increasing capacity by 50 gallons
The Cessna 206/207 is a versatile aircraft that can be fitted with auxiliary fuel tanks to meet the needs of long-distance travellers. The standard fuel capacity of the Cessna 206/207 is already quite substantial, but for those seeking even greater range, the option of auxiliary fuel tanks is a valuable feature.
The auxiliary fuel system offered by SkyWay MRO Services provides an additional 50 gallons of fuel capacity, significantly extending the aircraft's range by up to 650 nautical miles. This enhancement is carefully designed to maintain the aircraft's balance and centre of gravity, ensuring safe and stable flight. The auxiliary fuel tanks are crafted from durable vulcanized rubber and seamlessly integrate with the existing fuel system, requiring no additional switches or gauges.
The installation process for these auxiliary fuel tanks is meticulous and involves removing the close-out rib and relocating any strobes. New holes are drilled in the wing skin to bolt the tanks securely in place. The fuel lines are then carefully routed, and the necessary pumps and valves are installed. The comprehensive kit includes all the required hardware, from tanks and caps to mounting equipment and fuel lines, ensuring a complete and professional installation.
Additionally, Cessna 206/207 aircraft can be further customized with external tip tanks, adding 28 gallons of fuel capacity with 27 gallons being usable. This modification extends the aircraft's range while maintaining a gross weight increase of only 200 lbs. Cessna owners and pilots can benefit from these fuel tank modifications, ensuring they have the necessary fuel capacity to meet their specific flight requirements.
Overall, the ability to install auxiliary fuel tanks in the Cessna 206/207 provides a significant advantage for long-distance travellers, offering increased fuel capacity, extended range, and the flexibility to undertake more ambitious journeys with confidence.
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Cessna Skylane/Skyhawk series aircraft can be modified to increase fuel tank capacity
The Cessna Amphibian's fuel tank capacity is not publicly available. However, Cessna Skylane/Skyhawk series aircraft owners often inquire about modifications to increase fuel tank capacity for extended range. While some models in the series, such as the Cessna 172S, have a standard fuel capacity of 56 gallons (with 53 gallons being usable), modifications are available to enhance endurance.
Some Cessna 172 models, for instance, have been equipped with an auxiliary (aux) tank in the baggage compartment, providing an additional 15 gallons of fuel. This modification, known as an STC mod, was available as an aftermarket option and installed by Cessna. For those seeking even greater range, special ferry tanks can be installed, though this option removes the rear seat and significantly reduces the amount of baggage and passenger capacity.
The Cessna 172RG, introduced in 1976, offered increased fuel capacity compared to the standard Skyhawk, with 62 gallons versus 53 gallons, respectively. Cessna also offered optional long-range fuel tanks for this model, providing a capacity of 52 gallons. The Cessna 182 is another variant that comes with long-range tanks as part of its design, with a total capacity of 74 gallons (37 gallons per side).
For the Cessna 206 and 207 models, Skyway offers an Auxiliary Fuel System Enhancement that increases fuel capacity by 50 gallons. This enhancement is fully integrated with the existing fuel system and can extend the range by up to 650 nautical miles.
It is important to note that any modifications to aircraft fuel systems should be carefully considered and undertaken with the guidance of qualified professionals to ensure compliance with aviation regulations and safety standards.
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Frequently asked questions
The Cessna 172 has a fuel capacity of 56 gallons, distributed between two tanks, one mounted in each wing, which each hold 28 gallons. However, only 53 gallons of fuel is usable.
The fuel tank capacity of the Cessna 182 varies. One source mentions that some 182s come with long-range tanks as part of the installed design, with 37 gallons per side, for a total of 74 gallons. Another source mentions that the Cessna 182 has a fuel capacity of 88 gallons.
The Cessna 185 has a fuel capacity of 88 gallons, with 84 gallons being usable. The fuel is supplied to the engine from two 32.5-gallon tanks, one in each wing. With the long-range system, fuel quantity is increased to 42 gallons per tank.
