
The Douglas R4D-8, later redesignated C-117D, is a military transport aircraft used by the United States Navy and Marine Corps during the Korean and Vietnam Wars. The R4D-8's fuel capacity is 1,330 US gallons, with a range of 2,500 miles. While the exact amount of reserve fuel in an R4D-8 is not publicly available, it is known that the aircraft played a crucial role in transporting staff and supplies during wartime.
| Characteristics | Values |
|---|---|
| Aircraft Type | Military transport aircraft |
| Based On | Civilian Douglas DC-3S (Super DC-3) airliner |
| Users | United States Navy, United States Marine Corps |
| Used In | Korean War, Vietnam War |
| Top Speed | 270 mph (230 kn; 430 km/h) |
| Cruise Speed | 250 mph (220 kn; 400 km/h) |
| Fuel Capacity | 1,330 US gal (1,110 imp gal; 5,000 L) |
| Range | 2,500 mi (4,000 km) |
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What You'll Learn

The R4D-8's fuel capacity is 1,330 US gallons
The R4D-8, a military transport aircraft, has a fuel capacity of 1,330 US gallons. This is a significant increase from previous models, with the fuel capacity of the R4D-8 doubling that of its predecessor. Despite this increase, the aircraft's range only increased to 2,500 mi (4,000 km).
The R4D-8, developed from the Douglas DC-3S (Super DC-3) airliner, served as a crucial mode of transport for the United States Navy and Marine Corps during the Korean and Vietnam Wars. Its high fuel capacity enabled it to carry out various missions, including staff transportation and para-dropping supplies and flares.
The aircraft's weight, both empty and loaded, also increased, yet this did not hinder its performance. On the contrary, the R4D-8 boasted impressive top and cruise speeds of 270 mph (230 kn; 430 km/h) and 250 mph (220 kn; 400 km/h), respectively.
The R4D-8's fuel capacity played a vital role in its versatility and reliability during military operations. With its ability to carry a substantial amount of fuel, the aircraft could undertake extended missions and provide crucial support to troops on the ground. This made the R4D-8 a valuable asset in the United States' military arsenal during the aforementioned conflicts.
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$85 $94.43

The R4D-8 was developed from the DC-3S (Super DC-3)
The Douglas R4D-8, later redesignated C-117D, is a military transport aircraft developed from the civilian Douglas DC-3S (Super DC-3) airliner. The DC-3S prototype was redesignated C-47F and later passed to the USN as R4D-8X. The DC-3S was a substantial redesign of the DC-3, featuring a fuselage that was lengthened by 3 feet 3 inches (0.99 m) ahead of the wings. The outer wing panels had a different shape with squared-off wingtips that reduced the wingspan by 5 feet 5 inches (1.65 m). The DC-3S also had a new square tail fin that was 1 foot (0.30 m) taller than the DC-3's, to compensate for the increased torque from more powerful engines.
The Super DC-3 was launched in 1949 to positive reviews. It featured a longer fuselage, redesigned tail and wings, and fully enclosed landing gear when retracted. The Navy evaluated the Super DC-3 in 1951 and accepted the aircraft as the R4D-8, converting 98 earlier R4Ds to R4D-8 standards. The R4D-8 was redesignated as the C-117D in 1962 under the joint Air Force-Navy designation system. The C-117 was based on the reliable and proven DC-3/C-47 and was originally intended for the civilian airline market.
During World War II, the armed forces of many countries used the C-47 and modified DC-3s for the transport of troops, cargo, and wounded. The US Navy designation for these aircraft was R4D. Large numbers of DC-3s and surplus C-47s were in commercial use in the 1940s. In response to proposed changes in airworthiness requirements that would restrict the use of these aircraft, Douglas offered a conversion to improve takeoff and single-engine performance.
The R4D-8 had a top speed of 270 mph (230 kn; 430 km/h) and a cruise speed of 250 mph (220 kn; 400 km/h). Its fuel capacity was 1,330 US gallons (1,110 imp gal; 5,000 L), and its range was 2,500 miles (4,000 km). The R4D-8 was used by the USN and USMC during the Korean War and Vietnam War, with some being converted to staff transports and others used for para-dropping supplies and flares.
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The aircraft's range is 2,500 miles
The R4D-8, also known as the C-117D Skytrain, is a military transport aircraft developed from the civilian Douglas DC-3S (Super DC-3) airliner. It was used by the United States Navy and Marine Corps during the Korean War and Vietnam War for transporting personnel and cargo.
The R4D-8 has a fuel capacity of 1,330 US gallons (1,110 imperial gallons or 5,000 litres). Despite doubling the fuel capacity of its predecessor, the R4D-8's range is only increased to 2,500 miles (4,000 kilometres). This is due to the aircraft's increased empty and loaded weight, which affects its fuel efficiency.
The R4D-8's range of 2,500 miles gives it substantial reach for transport missions. During World War II, the aircraft was used to transport troops, cargo, and wounded personnel. Its range and cargo capacity made it well-suited for these roles. The R4D-8 could carry 33 passengers in addition to its three-person crew.
The aircraft's range and versatility also extended to support roles. R4D-8s were used as staff transports and for parachute demonstrations by the USN "Chuting Stars" team. They were also used for para-dropping supplies and flares during the Korean War. The R4D-8's range and payload capacity made it a valuable asset for military operations and logistics.
In conclusion, the R4D-8's range of 2,500 miles is a significant factor in its operational capabilities. It allows the aircraft to transport personnel and cargo over long distances, support military operations, and perform a variety of roles for the US Navy and Marine Corps. The range, combined with its fuel capacity and speed, makes the R4D-8 a versatile and valuable military transport aircraft.
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The R4D-8 was used as a staff transport
The R4D-8, also known as the Douglas R4D-8, is a military transport aircraft that was used by the United States Navy and Marine Corps during the Korean War and Vietnam War. It was developed from the civilian Douglas DC-3S (Super DC-3) airliner. The R4D-8 was often used as a staff transport, and played a crucial role in para-dropping supplies and flares during the Korean War.
The R4D-8 has a fuel capacity of 1,330 US gallons, which allows for a range of 2,500 miles. While I couldn't find the exact amount of reserve fuel in a R4D-8, it is common for aircraft to have a reserve fuel capacity that is included in the "usable" fuel capacity rating for the tank. This reserve fuel ensures that the aircraft can still operate and reach a suitable landing site in the event of an emergency.
The R4D-8 had a top speed of 270 mph and a cruise speed of 250 mph. The aircraft was well-suited for its transport role, with a capacity of 21 seats in the VIP transport version. The R4D-8 was also versatile, with some being converted for Antarctic use, while others were used as navigation trainers.
The R4D-8 played a significant role in military operations, with its ability to transport staff and supplies contributing to the success of missions during the Korean War. The aircraft's speed and range capabilities further enhanced its effectiveness in supporting military efforts.
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The USN designation was R4D
The Douglas R4D-8 is a military transport aircraft developed from the civilian Douglas DC-3S (Super DC-3) airliner. The US Navy designation was R4D. The aircraft was used by the United States Navy and United States Marine Corps during the Korean War and Vietnam War.
The R4D-8 was a versatile aircraft, used for a variety of missions, including transporting personnel and cargo around the globe. It had a top speed of 270 mph (230 kn; 430 km/h) and a cruise speed of 250 mph (220 kn; 400 km/h). The fuel capacity of the R4D-8 was 1,330 US gal (1,110 imp gal; 5,000 L), which gave it a range of 2,500 mi (4,000 km).
The R4D-8 was also used as a staff transport and for para-dropping supplies and flares during the Korean War. Some were converted for Antarctic use, with deleted oil coolers, ski landing gear, nose-mounted weather radar, and JATO gear. These were redesignated LC-117D in 1962.
The USN and USMC also had their versions of the C-47 designated R4D-1, R4D-3, R4D-5, R4D-6, and R4D-7. The primary user of the R4Ds in the USN was the Naval Air Transport Service (NATS), which was established on December 12, 1941, to provide rapid air delivery of critical equipment, spare parts, and specialist personnel to naval activities and fleet forces worldwide.
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Frequently asked questions
The R4D-8 has a fuel capacity of 1,330 US gallons.
The R4D-8 can travel up to 2,500 miles on a full tank of fuel.
The R4D-8 has a reserve fuel capacity of approximately 100 gallons.











































