The airline is initially calling for volunteers to consent to be weighed along with their baggage at Helsinki Airport.
It wants to get a more accurate estimate of how much a jet will weigh at take-off.
Passengers are being weighed with their hand baggage.
For those touchy about their weight, the airline says individual weights recorded are anonymous and not linked to specific passengers or ticket reservations.
“The collected data is not linked in any way to the customer’s personal data,” said Satu Munnukka, Finnair’s head of ground operations.
“We record the total weight and background information of the customer and their carry-on baggage, but we do not ask for the name or booking number, for example.”
“Only the customer service agent working at the measuring point can see the total weight, so you can participate in the study with peace of mind.”
The airline is collecting the data ‘for the purpose of aircraft balance and performance calculations that are needed for the safe operation of flights.’
In the first three days of the trial, around 800 volunteers had taken part.
The airline states it was ‘positively surprised by the number of volunteers.’
Each flight has a maximum weight for safe take-off.
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