Katerina Swanson
The Piper PA-23 Apache is an American four- to six-seat twin-engined general aviation light aircraft. The PA-23-150 Apache was a four-seater with plenty of room and excellent visibility. The PA-23 was the first twin-engined Piper aircraft, with two 125 hp Lycoming O-290-D piston engines. The PA-23-150 Apache has two 36-gallon fuel bladders, one in each wing, and many models also have an 18-gallon auxiliary tank on each side.
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What You'll Learn
The Piper PA-23-150 Apache has four fuel tanks
The Piper PA-23-150 Apache is a four-seater aircraft with a powerful 150 hp Lycoming O-320-A engine. It is a twin-engine piston aircraft with retractable landing gear and a roomy cabin. The Piper PA-23-150 Apache has four fuel tanks, with a standard fuel capacity of 72 gallons. Each wing of the aircraft houses one 36-gallon fuel bladder, and many models also feature an additional 18-gallon auxiliary tank on each side. This configuration provides a generous fuel supply for the Apache's operations.
The Piper PA-23-150 Apache's four fuel tanks contribute to its performance and capabilities. With a full fuel load, the aircraft can achieve a maximum cruise duration of just over three hours, with a fuel burn rate of 18 gallons per hour. However, by utilising economy settings, pilots can extend their endurance to up to 4.5 hours. For those seeking even greater range, optional 108-gallon fuel tanks were offered, nearly doubling the aircraft's fuel capacity.
The presence of four fuel tanks in the Piper PA-23-150 Apache provides flexibility in fuel management. Each tank can be used independently or in combination with others, allowing pilots to optimise weight distribution and fuel usage during flight. This flexibility enhances the aircraft's overall performance and efficiency, making it a reliable choice for personal and recreational aviation.
The Piper PA-23-150 Apache's four fuel tanks are an integral part of its design and contribute to its overall capabilities as a light aircraft. The fuel system's configuration allows for a generous fuel capacity, providing the aircraft with the range and endurance needed for various missions, from personal transportation to multi-engine training. The fuel tanks, along with the aircraft's other features, showcase the Apache's versatility and appeal to pilots and aviation enthusiasts alike.
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Each standard fuel tank holds 36 gallons
The Piper PA-23 Apache is a twin-engine piston aircraft with retractable landing gear. The standard fuel tank capacity of the Piper PA-23-150 Apache is 72 gallons, with each of the two standard fuel tanks holding 36 gallons. The Apache's fuel system gauges indicate the quantity of fuel in the tanks in use.
The Piper PA-23 Apache has a total of four fuel tanks, two of which are standard fuel tanks, and two of which are auxiliary tanks. The standard fuel tanks are located outboard of the engines and are made of nylon and neoprene. Each of these standard fuel tanks holds 36 gallons of fuel. The auxiliary fuel tanks are optional and are installed in the outboard section of the wings, holding 18 gallons of fuel each.
The Piper PA-23 Apache was first introduced in 1954 and was produced by Piper Aircraft. It is a four- to six-seat twin-engined general aviation light aircraft. The PA-23 was the first twin-engined aircraft produced by Piper, and it was developed from a proposed "Twin Stinson" design. The aircraft has good low-speed performance due to its high-lift airfoil, but this comes at the cost of speed.
The Piper PA-23-150 Apache is a variant of the original Piper PA-23 Apache, with upgraded 150 hp Lycoming O-320-A engines. This variant was introduced in 1958 and 1,231 Apaches of this variant were built. The PA-23-150 has a spacious cabin with excellent visibility, thanks to its Plexiglas windows. It has a maximum cruise fuel consumption of 18 gallons per hour, which means that the standard 72-gallon fuel tanks last for just over three hours, plus reserve.
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Optional auxiliary tanks can hold 18 gallons each
The Piper PA-23, or Apache, is a twin-engine piston aircraft with retractable landing gear. The standard Apache features two 36-gallon fuel bladders in each wing, providing fuel storage for the aircraft's two engines.
Optional auxiliary fuel tanks can be installed in the outboard section of the wings. These tanks have a capacity of 18 gallons each, increasing the aircraft's fuel capacity and range. The ability to install these auxiliary tanks is an important feature for the Apache, as it allows pilots to extend their flight duration and undertake longer journeys.
The fuel in the auxiliary tanks can be pumped to both engines through the use of the provided fuel pumps. This flexibility in fuel management enhances the Apache's performance and versatility. The option of auxiliary tanks also provides pilots with greater control over their fuel distribution, allowing them to optimise fuel usage during their flights.
The availability of optional auxiliary tanks showcases the Apache's adaptability and its focus on providing pilots with enhanced capabilities. By installing these tanks, pilots can customise their aircraft to suit their specific needs and flight requirements, ensuring they have sufficient fuel capacity for their intended journeys.
In addition to the standard and auxiliary fuel tanks, there are further options for increasing the Apache's fuel capacity. Met-Co-Aire offers tip tanks that increase fuel capacity by 48 gallons, providing an even greater fuel range for extended flights. This option further highlights the Apache's versatility and its ability to cater to diverse pilot needs and preferences.
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The fuel system gauges indicate the quantity of the tanks in use
The Piper PA-23 Apache is a twin-engine piston aircraft with retractable landing gear. It has two 36-gallon fuel bladders, one in each wing, and many models have an additional 18-gallon auxiliary tank on each side. The fuel system gauges indicate the quantity of fuel in the tanks that are in use.
The Apache has a total fuel capacity of 72 gallons, including the standard 36-gallon tanks and the optional 18-gallon auxiliary tanks. During a pre-flight check, it is important to drain fuel from all four tanks. The fuel system gauges provide essential information to the pilot about the amount of fuel available for the flight.
The Apache's fuel system is designed to supply fuel to both engines from any tank. Four fuel pumps are provided for this purpose. In normal operation, fuel is pumped directly from the tanks to the adjacent carburetors by engine-driven fuel pumps. The fuel valves can be left on, and the crossfeed can be kept in the off position.
The fuel system gauges on the Piper PA-23 Apache are an important part of the aircraft's instrumentation. They provide critical information about the quantity of fuel available in the tanks that are currently in use. This information helps pilots ensure they have sufficient fuel for their flight and make informed decisions about fuel management during the journey.
The fuel system gauges on the Piper PA-23 Apache are simple and minimal, indicating only the quantity of fuel in the tanks that are in use. This information is crucial for safe and efficient flight operations, helping pilots monitor their fuel usage and make necessary adjustments during flight.
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Fuel burn is 17.5 GPH
The Piper PA-23-150 Apache is a twin-engine piston aircraft with retractable landing gear. It has a fuel burn rate of 17.5 gallons per hour (GPH). This burn rate is relatively high, as the Apache is a glutton for avgas, with a lower fuel efficiency compared to other light twins.
The Apache has two 36-gallon fuel cells located outboard of the engines, providing fuel storage in the standard model. This amounts to a total fuel capacity of 72 gallons. Auxiliary tanks holding 18 gallons each can also be installed in the outboard section of the wing, increasing the total fuel capacity to 108 gallons.
The high fuel burn rate of the Apache contributes to its limited range. At maximum cruise, the Apache consumes 18 gallons per hour, resulting in a flight duration of just over three hours with the standard 72-gallon tanks. By utilising the economy settings, the flight duration can be extended to 4.5 hours.
The optional 108-gallon tanks offer a more efficient solution, allowing for a flight duration of up to seven hours. This extended range provides greater flexibility for longer journeys and enhances the aircraft's capabilities as a reliable personal transport.
The fuel burn rate of 17.5 GPH is an important consideration for pilots operating the Piper PA-23-150 Apache. It influences the aircraft's range and endurance, impacting the overall performance and suitability for specific missions, especially those requiring longer flight durations.
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Frequently asked questions
The Piper PA-23-150 Apache has four fuel tanks.
The Piper PA-23-150 Apache has a standard fuel capacity of 72 gallons. However, optional 108-gallon tanks were available, increasing the fuel capacity.
The Piper PA-23-150 Apache uses aviation gasoline (avgas).
