They can carry their own weight
It depends on the type of airplane. There are small airplanes for only one person and new jumbo-jets that can carry over 750 people in the right configuration. Ultimatly it comes down to wieght. An airplane can only carry as much weight as the wings can produce lift.
The weight limit for carry-on luggage on airplane seats varies by airline, but it is typically around 15-22 pounds (7-10 kilograms). It is important to check with your specific airline for their exact weight limit to avoid any issues at the airport.
In many ways such as how much fuel do I need to carry to fly 300 miles. One of the most important things for a pilot to know is how much weight he has on the airplane and, since fuel is figured in weight instead of gallons on a airplane, he probably better know basic algebra and general mathmatics.
Stand on a scale. Figure out how much you weigh. Then pick up the airplane and stand on the scale. Subtract how much you originally weighed, and that is the weight of the airplane.
Two people at most. The first airplane carried its engine and 1 man.
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A bald eagle can carry about 4 pounds of weight.
The amount of weight a person can carry will depend upon the person. The stronger the person is, the more weight that they will be able to carry.
Measuring the weight of any body requires a tool to measure it. A measurement without a tool is an estimate, not a measurement.Measuring the weight of an airplane without a measuring tool cannot be done.
Yes, you can bring condoms in your carry-on luggage on an airplane.
Yes, you can bring creatine in your carry-on luggage on an airplane.