How do pilots know how much weight is on the plane?

Originally Answered: How do aircrafts know their passengers' weights? To be more specific, most airlines are on an approved weight and balance control system, where they use average weights for a typical adult and child, and the weight of their bags, during different flying periods.



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“Typically, an operator calculates takeoff weight by adding the operational empty weight (OEW) of the aircraft, the weight of the passenger, cargo payload, and the weight of fuel.

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In the US there's no specific weight limit in the regulations. Instead, they just say that you must be capable of performing the duties of a pilot, e.g. 14 CFR 61.113: The general medical standards for a first-class airman medical certificate are: [...]

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Operating over weight will cause the aircraft to not meet the climb rates published in POH/AFM data, require longer runway distance for takeoff, lessen single-engine performance in a multi-engine aircraft, reduce glide distance in an emergency, and contribute to poor stablity if a stall is encountered, potentially ...

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Most airlines will allow you to check one bag and have one carry-on bag. There is normally a maximum weight limit of 50 pounds per checked bag as well as a size restriction. The most common maximum size bag allowed is 62 linear (total) inches. A common size bag for checking through is: 27 x 21 x 14.

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Checked Suitcase Weight Limits
Most domestic flights have a checked bag weight limit of around 50 pounds (unless you want to pay a fee to pack something heavier). However, your international checked baggage size varies considerably depending on which airline you choose.

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While there are BMI guidelines that are considered part of your general health, there is no specific minimum or maximum weight required to become a pilot.

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That depends if you have several kg overweight and are asking for the price per kg or if you really just only have one single kg extra. For a singe kg above the limit you most probably will not get charged, especially not on a full service airline. There is usually a tolerance in the range of 2–3kg, sometimes up to 5.

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Do airlines allow 1kg overweight? Bags weighing 50 to 70 lb (23 to 32 kg) are accepted as overweight. Bags measuring 63 to 115 in (160 to 292 cm) are accepted as oversized.

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There are generally two things you can do if your suitcase is over the weight limit: you can either pay the fee for the extra weight or take some things out so that the weight is then within the allowed limit. You should always take out smaller and heavier stuff since you can put them in your carry-on instead.

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Fluid Retention: Changes in air pressure, dehydration, and immobility during a flight can lead to fluid retention. This can make you feel bloated and temporarily gain weight. Once you're properly hydrated and have the opportunity to move around, this weight gain typically disappears.

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Each bag should weigh less than 23KG/50LBS. This is an international regulation set for the health and safety of airport workers who have to lift hundreds of bags daily.

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Results. The prevalence of overweight among the pilots was 53.7% and of obesity was 14.6%.

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The 747's maximum takeoff weight ranges from 735,000 pounds (333 t) for the -100 to 970,000 pounds (440 t) for the -8. Its range has increased from 5,300 nautical miles (9,800 km; 6,100 mi) on the -100 to 8,000 nautical miles (15,000 km; 9,200 mi) on the -8I.

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