It's for safety, say airlines. Airlines weigh passengers for safety but fuel efficiency may be a bigger reason, specialists say.
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However, a 2019 advisory from the FAA said airlines can weigh passengers, according to CNBC. “It allows us to have actual accurate and current, up-to-date weights for our particular flight,” Captain Laura Einsetler, a commercial airline pilot with more than 30 years of aviation experience, told NewsNation.
The passenger is assumed to be handling their carry-on luggage, and if they are stupid enough to injure themselves doing it nobody else particularly cares. But checked luggage is handled by employees, who often lug bags all day long. So keeping to a weight limit is important to preserve their health and safety.
As The Independent has reported previously, weighing every passenger before a flight can increase safety and cut the environmental harm caused by each flight. At present, airlines use “assumed mass” – estimating the total weight of the passengers by using set figures. Typically each passenger is assumed to weigh 88kg.
Most airlines are extremely strict checking your baggage weight and will charge you an outrageous amount of money for over their set limit. If you expect to go over the limit it is cheaper to buy the extra weight when you book the flight online.
So can you expect to find yourself on a scale before boarding your next domestic flight? Likely, no, but it isn't impossible. The U.S. does not require airlines to weigh passengers as South Korea does. However, a 2019 advisory from the FAA said airlines can weigh passengers, according to CNBC.
If it's heavier weight aircraft, it would take longer to get up to our rotation speed and therefore a greater distance and therefore a longer takeoff roll. After taking off, we would also maybe see the same effects for climb performance as well. This would be the same if we exceeded our maximum weight limitation.
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.
How does the airliner crew know if the plane is overweight before takeoff? To ensure that an airliner is within its weight and balance limits, the crew uses a system that consists of three elements: weighing, recording, and loading.
What about stepping on a scale? Many reacted less-than-fondly to an announcement earlier this month that Korean Air, a South Korea-based airline, planned to weigh passengers before boarding. A representative for the airline told CNBC the practice would last for about three weeks, and is required by law.
On flights within the United States, Canada (including the U.S. Virgin Islands and Puerto Rico), bags exceeding 100 lbs. (45.36 kg) are not allowed. On flights between North/South/Central America and Europe/North Africa, bags exceeding 70 lbs. (31.75 kg) are not allowed.
While some travelers may be surprised to find themselves asked to step on a scale, this decision isn't made by airlines – it's often mandated by governmental airline regulators.
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.
For hold luggage, most airlines set a weight limit for single items of luggage. Usually, this is 23kg. If your hold luggage is over and you haven't paid for extra, you might be charged.
On all flights, except to and from the United States, each passenger can purchase a checked luggage weight allowance of 20 kg, 25 kg, 30 kg, or 40 kg. It doesn't matter how many bags the total weight is split into, but no bag can be over 32 kg (70 lbs) in weight and 319 cm (126 inches) in total dimensions.
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.
Hand luggage on airlines is typically required to not exceed 7 kilograms and overall dimensions of length, breadth, and height must not exceed 115cm, according to international standards.