Sylvie Willis
The Boeing 747, also known as the Jumbo Jet, is an aircraft with a massive size and a legacy to match. With a maximum takeoff weight of up to 910,000 lbs or 412,000 kg, it's no wonder that this plane has become a rare sight at airports. When fully fuelled, a 747 can carry about 230,000 litres of fuel, weighing about 184,000 kg. The weight of the aircraft, including fuel, passengers, and cargo, plays a crucial role in how much fuel is consumed during flight. For example, a moderately loaded 747 with 70% occupancy uses more than 95% of the fuel required by a fully occupied jet.
| Characteristics | Values |
|---|---|
| Empty weight of the 747-8F | 190 tons |
| Maximum Takeoff Weight (MTOW) | 447 tons |
| Fuel capacity | 230,000 litres or 184,000 KGS |
| Empty weight (747-100) | 358,000 - 381,480 pounds (162.39 - 173.04 tons) |
| Empty weight (747-200) | 376,170 - 388,010 pounds (170.63 - 176 tons) |
| Empty weight (747-300) | 384,240 - 402,700 pounds (174.29 - 182.66 tons) |
| Empty weight (747-400) | 394,088 - 412,300 pounds (178.755 - 187.016 tons) |
| Maximum Takeoff Weight (MTOW) (747-400) | 875,000 - 910,000 pounds (396.9 - 412.8 tons) |
| Empty weight (Airbus A380) | 814,000 lbs (407 tons) |
| Empty weight (Boeing 777-300ER) | 370,000 lbs (185 tons) |
| Empty weight (Boeing 737-800) | 90,710 lbs (45.4 tons) |
| Empty weight (Airbus A320) | 93,079 lbs (46.5 tons) |
| Empty weight (without passengers, freight or fuel) | 412,300 lbs or 187,000 KGS |
| Maximum weight (with passengers and fuel) | 910,000 lbs or 412,000 KGS |
| Weight of passengers and freight when carrying a full fuel load | 41,000 KGS |
| Cargo capacity (B747-8F Jumbo Jet) | 134,000 KGS |
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What You'll Learn
A full Boeing 747 weighs 910,000 lbs or 412,000 kg
The Boeing 747 is a large aircraft, often referred to as a "jumbo jet," and is known for its sheer size. The aircraft was designed to be two-and-a-half times bigger than its predecessor, the 707, and its double-decker nature and wide fuselage contribute to its imposing presence. The 747 has a maximum fuel capacity of about 230,000 litres, which equates to approximately 184,000 kg. When carrying a full fuel load, the 747 has approximately 41,000 kg of weight capacity remaining for passengers and additional cargo.
The weight of a Boeing 747 can vary depending on the model. For example, the 747-100 and 747-200 models have different empty weights, ranging from 358,000 to 388,010 lbs (162.39 - 176 tons). The 747-300 and 747-400 models have even higher empty weight figures, ranging from 384,240 to 412,300 lbs (174.29 - 187.016 tons). The 747-400 model has the highest maximum takeoff weight of the standard-length 747s, reaching 875,000 - 910,000 lbs (396.9 - 412.8 tons).
The weight of a Boeing 747 also depends on its cargo and fuel load. The special cargo version of the 747-8F can carry up to 134,000 kg of cargo. Additionally, the weight of the aircraft can impact its fuel efficiency. Flying at maximum weight uses significantly more fuel than flying almost empty, with fuel consumption ranging from 12-13 metric tons per hour at maximum weight to 7-8 tons per hour at lower weights.
In summary, a full Boeing 747 can weigh up to 910,000 lbs or 412,000 kg, depending on the model and its cargo and fuel load. The aircraft's large size and capacity have contributed to its iconic status in aviation history.
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An empty 747 weighs 412,300 lbs or 187,000 kg
The Boeing 747, also known as the "Jumbo Jet", is an aircraft with a massive size and a legacy to match. The 747 was designed to be two-and-a-half times bigger than the existing 707, featuring a double-decker design and a wide fuselage. An empty 747 weighs 412,300 lbs or 187,000 kg. This weight refers to the aircraft without any passengers, freight, or fuel on board.
The weight of an aircraft is a critical factor in aviation, with important implications for flight performance and fuel efficiency. A heavier aircraft requires more powerful engines and consumes more fuel to generate the necessary lift for takeoff and sustained flight. The 747's massive size presented a challenge in terms of engine power and fuel efficiency, which Boeing addressed through the development of the high-bypass turbofan engine. This engine technology was capable of delivering double the power of previous turbojets while consuming one-third less fuel.
The 747's weight can vary significantly depending on its payload and fuel load. The maximum weight of a 747-400 Jumbo Jet is 910,000 lbs or 412,000 kg. This weight is achieved when the aircraft is fully loaded with passengers, freight, and fuel. The weight difference between an empty 747 and one at its maximum capacity is substantial, amounting to several hundred thousand pounds.
The fuel capacity of the 747 is another important factor influencing its weight. The maximum fuel capacity of the B747 is about 230,000 litres, which equates to approximately 184,000 kg. The amount of fuel on board can significantly impact the aircraft's overall weight, and consequently, its performance and range.
The 747 has different variants, each with slightly different weight characteristics. For example, the 747-8 model has an empty weight of around 190 tons, while the 747-100 and 747-200 have empty weights ranging from 162.39 to 176 tons. The 747SP (Special Performance) is a shortened version of the standard 747, with a maximum takeoff weight of 630,000 to 696,000 pounds. These variations in weight and size highlight the versatility of the 747 design and its ability to adapt to different operational requirements.
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The 747's maximum fuel capacity is 230,000 litres or 184,000 kg
The Boeing 747, also known as the Jumbo Jet, is an aircraft with a massive size and a legacy to match. The 747 was designed to be two-and-a-half times bigger than the existing 707, featuring a double-decker design and a wide fuselage. The sheer size of the 747 is impressive, and its fuel capacity is a key factor in its operation.
The 747's fuel capacity and range have an impact on its operational costs. When the aircraft is fully loaded, it has the lowest potential operating cost per seat. However, as occupancy decreases, the costs per seat increase rapidly. This is because a moderately loaded 747, with only 70% of its seats occupied, uses more than 95% of the fuel required by a fully occupied aircraft. Therefore, the 747 is most economical when it is fully loaded, and the addition of fuel does not significantly impact its range.
The 747's maximum weight, including fuel, passengers, and freight, is 910,000 lbs or 412,000 kg. When empty, the 747 weighs 412,300 lbs or 187,000 kg. This weight varies depending on the model and variant of the 747, with the 747-8F having an operating empty weight of 190 tons and a maximum takeoff weight of 447 tons. The 747-SP, a shortened variant, has a maximum takeoff weight of 630,000-696,000 lbs or 285.8-315.7 tons.
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The 747's weight impacts its fuel consumption
The weight of a 747 jet has a significant impact on its fuel consumption. The aircraft's weight includes the weight of the plane itself, the passengers, cargo, and fuel. The maximum weight of a Boeing 747-400 Jumbo Jet is 910,000 lbs or 412,000 kg, which includes a full load of passengers and fuel. The weight of an empty Boeing 747 is 412,300 lbs or 187,000 kg, which is more than four times heavier than the empty weight of a Boeing 737-800.
The weight of the 747 jet affects its fuel consumption in several ways. Firstly, the heavier the aircraft, the more fuel it needs to generate enough lift for takeoff and flight. This is because the engines have to work harder to overcome the increased weight, resulting in higher fuel consumption. Additionally, the weight distribution within the aircraft can also impact fuel efficiency. If the weight is not evenly distributed, it can affect the aircraft's balance and aerodynamics, leading to increased drag and fuel consumption.
The 747's fuel capacity also plays a role in its fuel consumption. The maximum fuel capacity of the B747 is about 230,000 litres or 184,000 kg. A heavier aircraft with a full fuel load will have a shorter range compared to a lighter aircraft with the same fuel load. This is because the engines have to work harder and consume more fuel to propel the heavier aircraft over the same distance. Therefore, the 747's weight directly impacts its fuel efficiency and range.
The number of passengers and cargo weight also influence the 747's fuel consumption. A fully loaded 747 with maximum passenger capacity and cargo will consume more fuel compared to a partially loaded aircraft. This is because the additional weight requires more fuel to achieve and maintain flight. However, it's important to note that a moderately loaded 747 with only 70% of its seats occupied can still use over 95% of the fuel required by a fully occupied 747, as the difference in fuel consumption between a full and partially loaded aircraft is not linear.
The 747's weight has been a key consideration in its design and development. Boeing has offered different variants of the 747 with varying weights and fuel capacities to cater to different needs. For example, the 747-100B has a higher maximum takeoff weight (MTOW) than the initial 747-100, allowing it to carry more fuel and have a longer range. The 747-200 model also featured more powerful engines and a higher MTOW. These improvements allowed the 747 to have increased payload and fuel capacity, resulting in extended range and flexibility for airlines. However, it's important to note that increasing the weight and fuel capacity can also lead to increased fuel consumption, and there may be a point of diminishing returns where adding more fuel actually decreases the aircraft's range due to increased weight and aerodynamic drag.
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The 747's weight differs by model
The weight of a 747 differs depending on the model and whether it is empty or at maximum capacity. The Boeing 747 family includes several variants, all of which are massive, but with weights that vary somewhat.
The 747-100, the initial model, had an empty weight of 358,000-381,480 lbs (162.39-173.04 tons). This was followed by the 747-200, which had a slightly higher empty weight of 376,170-388,010 lbs (170.63-176 tons). The 747-300 and 747-400 models were heavier still, with empty weights of 384,240-402,700 lbs (174.29-182.66 tons) and 394,088-412,300 lbs (178.755-187.016 tons), respectively. The 747-400 has a maximum takeoff weight of 875,000-910,000 lbs (396.9-412.8 tons). To put this in perspective, this is equivalent to the weight of 35 double-decker buses.
The 747SP (Special Performance) is a shortened version of the standard 747, with a length of 184 feet and 9 inches (56.3 meters). Due to its smaller size, the 747SP has a lower maximum takeoff weight of 630,000-696,000 lbs (285.8-315.7 tons).
The most recent version of the Boeing 747 is the 747-8, which has an operating empty weight of 190 tons and a maximum takeoff weight of 447 tons. This leaves approximately 257 tons of fuel capacity.
The weight of a 747 also depends on the number of passengers and amount of freight onboard. When flying at maximum weight, a 747 uses significantly more fuel than when flying almost empty.
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Frequently asked questions
The weight of an empty Boeing 747 Jumbo Jet without any passengers, freight or fuel is 412,300 lbs or 187,000 kg.
The maximum weight of a Boeing 747-400 Jumbo Jet is 910,000 lbs or 412,000 kg. This weight includes the maximum fuel capacity of 230,000 litres or 184,000 kg, as well as passengers and cargo.
A 747 flying at maximum weight uses 12-13 metric tons of fuel per hour in cruise flight, and 25+ tons an hour climbing at maximum takeoff weight. At low weights, this decreases to 7-8 tons of fuel per hour.
The special cargo version of the B747-8F Jumbo Jet can carry up to 134,000 kg of cargo.
