A 747-400 freighter's empty weight is approximately 165,000 kgs.
never
A Boeing 777-200's empty weight would weigh 297,300lbs.
I don't know the weight, however, the total weight of the sesame seeds sold annually on Big Macs, is greater than the total weight of two Boeing 747s
the operating empty weight of a Boeing 767-200 is 80130kilograms
The Boeing 747 can fly in the troposphere and lower stratosphere layers of Earth's atmosphere.
The Boeing 777-200 is 247,200kg at the maximum takeoff weight while an empty one is 134,800kg.
An empty 747-200 freighter is about 155,000 kg. A 747-400 freighter is about 165,000 kg.
The weight of a Boeing 747 can vary depending on its model and configuration, but it typically ranges from 160,000 kg to 440,000 kg when empty.
The ISS will have an internal pressurized volume of 46,000 cubic feet, or about 1.5 Boeing 747s. (from a Boeing website of ISS funfacts)
As of October 2023, the airline with the most Boeing 747s is Korean Air. The airline has historically operated a significant fleet of these iconic aircraft, utilizing them for both passenger and cargo services. Following Korean Air, other airlines like Lufthansa and China Airlines also have substantial numbers of 747s in their fleets. However, the exact numbers can fluctuate due to retirements and new acquisitions.
It says on wikipedia that they have 57, but 2 are in storage and this winter 8 more will be stored as well.
The Boeing 747-8 has a maximum takeoff weight (MTOW) of approximately 987,000 pounds (447,700 kilograms). Its empty weight is around 735,000 pounds (333,400 kilograms). This aircraft is the largest and newest variant of the Boeing 747 family, designed for long-haul flights.