
The F-15 Eagle is an all-weather, highly manoeuvrable, tactical fighter designed to achieve and maintain air supremacy in combat. The F-15 Eagle has been exported to several countries, including Israel, Japan, and Saudi Arabia. The F-15E Strike Eagle, a derivative of the F-15 Eagle, has a fuel capacity of 12,915 lb (5,858 kg) of internal fuel, which can be increased to 22,267 lb (10,100 kg) with conformal fuel tanks (CFTs). The F-15 Eagle's single-seat F-15C and two-seat F-15D models, which entered production in 1978, were fitted with an additional 2,000 lb (910 kg) of internal fuel capacity.
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What You'll Learn
- The F-15 Eagle has an internal fuel capacity of 13,455 lb (6,103 kg)
- External fuel tanks can increase capacity to 25,350 lb (11,500 kg)
- Conformal fuel tanks (CFTs) are attached to the sides of the engine air intakes
- The Production Eagle Package (PEP 2000) added 2,000 lb (910 kg) of internal fuel
- The F-15E Strike Eagle is a dual-role fighter capable of air-to-air and air-to-ground missions

The F-15 Eagle has an internal fuel capacity of 13,455 lb (6,103 kg)
The F-15 Eagle is an all-weather, highly manoeuvrable, tactical fighter jet designed to achieve and maintain air dominance over the battlefield. The F-15 Eagle has an internal fuel capacity of 13,455 lb (6,103 kg). This large fuel capacity enables the F-Eagle to undertake long-range, high-speed flights without relying on escort or electronic warfare aircraft.
The Eagle's fuel capacity is further enhanced by its ability to utilise conformal fuel tanks (CFTs). These CFTs, initially known as Fuel And Sensor Tactical (FAST) packs, are attached to the sides of the engine air intakes under each wing. They are designed to match the load factors and speed limits of the aircraft, only slightly degrading performance due to increased aerodynamic drag. Each conformal tank can hold 750 US gallons of fuel, providing a significant extension to the Eagle's range and endurance.
The F-15 Eagle's internal fuel capacity of 13,455 lb is further supplemented by the option to carry external fuel tanks. With three 600 US-gallon external tanks, the total fuel capacity increases to 25,350 lb (11,500 kg). This extended fuel capacity enables the F-15 Eagle to undertake extended missions and provides the aircraft with greater flexibility in terms of range and endurance.
The combination of its internal fuel capacity, conformal fuel tanks, and external fuel tanks gives the F-15 Eagle exceptional range and endurance capabilities, making it a highly versatile and effective tactical fighter aircraft.
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External fuel tanks can increase capacity to 25,350 lb (11,500 kg)
The F-15 Eagle is an all-weather, highly manoeuvrable, tactical fighter jet designed to allow the Air Force to gain and maintain air supremacy over the battlefield. The F-15 Eagle has been exported to many countries, including Israel, Japan, and Saudi Arabia. The F-15 was originally envisioned as a pure air superiority fighter, but its design included a secondary ground-attack capability. This flexibility led to the development of the F-15E Strike Eagle, an improved all-weather strike derivative that entered service in 1989 and has also been exported to several nations.
The F-15 Eagle has a fuel capacity of 13,455 lb (6,103 kg) of fuel internally. However, its capacity can be significantly increased with the use of external fuel tanks. By adding three 600 U.S.-gallon external tanks, the fuel capacity of the F-15 Eagle can be increased to a total of 25,350 lb (11,500 kg). This extended fuel capacity enables the aircraft to undertake long-range missions and remain airborne for extended periods, enhancing its operational capabilities and flexibility.
The use of external fuel tanks has been a common practice to increase the range and endurance of fighter jets. Conformal fuel tanks (CFTs), also known as FAST Packs (Fuel and Sensor Tactical), were specifically designed for the F-15 Eagle. These tanks are attached to the sides of the engine air intakes under each wing and are designed to match the aircraft's load factors and airspeed limits. While CFTs do cause some degradation in performance due to increased aerodynamic drag, they offer a more streamlined option compared to traditional external drop tanks.
The ability to utilise external fuel tanks provides the F-15 Eagle with greater versatility. It allows the aircraft to be configured for specific mission requirements, optimising its performance and endurance. The combination of internal and external fuel capacity gives the F-15 Eagle the necessary range and loitering time to conduct long-duration patrols, interceptors, or strike missions. This flexibility ensures that the F-15 Eagle remains a capable and relevant platform even as mission requirements evolve and become more demanding.
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Conformal fuel tanks (CFTs) are attached to the sides of the engine air intakes
The F-15 Eagle is a fighter jet initially designed for air superiority. It was first used in combat by the Israeli Air Force in 1979 and has since been exported to several countries, including Japan and Saudi Arabia. The F-15E Strike Eagle, a variant of the F-15, was designed for fighter and long-range strike missions. It was the first to use conformal fuel tanks (CFTs).
The F-15 Eagle with CFTs has a fuel capacity of 12,915 lb (5,858 kg) internal and 22,267 lb (10,100 kg) with CFTs. With additional external fuel tanks, the fuel capacity can be further increased to 34,162 lb (15,496 kg).
The use of CFTs on the F-15 Eagle provides several advantages. They allow for increased fuel capacity without significantly increasing the aircraft's radar cross-section. Additionally, they do not occupy ordnance hardpoints, allowing the aircraft to carry its full payload. However, one disadvantage is that CFTs cannot be discarded in-flight, unlike drop tanks, and will impose a slight drag penalty even when empty.
Overall, the use of CFTs on the F-15 Eagle has improved its capabilities, particularly for long-range strike missions, by providing increased fuel capacity and endurance.
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The Production Eagle Package (PEP 2000) added 2,000 lb (910 kg) of internal fuel
The F-15 Eagle is a fighter jet that was first introduced in the late 1970s. The single-seat F-15C and two-seat F-15D models entered production in 1978 and conducted their first flights in February and June of that year.
These models were fitted with the Production Eagle Package (PEP 2000), which included 2,000 lb (910 kg) of additional internal fuel. This increased the total internal fuel capacity to 13,455 lb (6,103 kg) or 25,350 lb (11,500 kg) with three external fuel tanks. The Production Eagle Package also included provisions for exterior conformal fuel tanks (CFTs) and an increased maximum takeoff weight of up to 68,000 lb (31,000 kg).
The F-15 Eagle is a highly capable fighter jet that has been exported to many countries, including Israel, Japan, and Saudi Arabia. It has seen combat action in various conflicts, including the 1991 Gulf War and the conflict over Yugoslavia. The F-15E Strike Eagle, an improved all-weather strike derivative of the F-15 Eagle, entered service in 1989 and has also been exported to several nations.
The F-15 Eagle is a versatile aircraft that can be equipped with a variety of weapons and fuel configurations to suit different mission requirements. It has a maximum speed of Mach 2.5 and a range of 2,400 miles with conformal fuel tanks and three external fuel tanks. The F-15 is expected to remain in service for many years to come, with continuous upgrades and improvements being made to the aircraft.
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The F-15E Strike Eagle is a dual-role fighter capable of air-to-air and air-to-ground missions
The F-15E Strike Eagle is a dual-role fighter designed to perform air-to-air and air-to-ground missions. It is an American, all-weather multirole strike fighter, derived from the McDonnell Douglas F-15 Eagle, which was first introduced by the USAF to replace its fleet of McDonnell Douglas F-4 Phantom IIs. The F-15E Strike Eagle first flew in 1986 and was designed in the 1980s for long-range, high-speed interdiction without relying on escort or electronic warfare aircraft. It entered service in 1989 and has been exported to several nations.
The F-15E Strike Eagle has a range of avionics and electronics systems, which allow it to fight at low altitudes, during the day or at night, and in all weather conditions. It has been used in combat by the Israeli Air Force, seeing extensive action in the 1982 Lebanon War, and in the 1991 Gulf War and the conflict over Yugoslavia by the USAF. During the Gulf War, the F-15E Strike Eagle was used in air-to-ground attacks, hunting modified Scud missile launchers and artillery sites using the LANTIRN system. It achieved its first-ever air-to-air kill in February 1991, destroying an Iraqi helicopter with a laser-guided bomb.
The F-15E Strike Eagle has a sturdy airframe rated for 8,000 hours of service life, or up to 16,000 hours with proper depot maintenance, which is twice the lifetime of earlier variants. As such, it is expected to remain in service beyond 2025, with some sources stating it will be in use until the 2030s. The F-15E design has seen some export success, and Boeing has continued to develop upgrades for international customers.
The F-15E Strike Eagle has a fuel capacity of 12,915 lb (5,858 kg) internal, 22,267 lb (10,100 kg) with CFTs, and 34,162 lb (15,496 kg) with CFTs and 3x 600-gallon (2,270 L) external fuel tanks. The F-15 Eagle models C and D, which entered production in 1978, were fitted with the Production Eagle Package (PEP 2000), which included 2,000 lb (910 kg) of additional internal fuel.
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Frequently asked questions
The F-15 Strike Eagle can carry 13,455 lb (6,103 kg) of fuel internally.
The F-15 Strike Eagle has a total fuel capacity of 25,350 lb (11,500 kg) when equipped with 3x 600 U.S. gallon external tanks.
Conformal fuel tanks (CFTs) provide additional fuel capacity and are designed to minimize aerodynamic drag, allowing the aircraft to fly longer distances or loiter for extended periods.
Conformal fuel tanks (CFTs) are designed to conform to the aircraft's shape, minimizing drag and improving performance compared to traditional external fuel tanks.
The F-15 Strike Eagle's large fuel capacity enables it to perform long-range, high-speed missions without relying on escort or electronic warfare aircraft, making it a versatile and independent tactical fighter.








































