Video answers: ‘Why aren’t the windows aligned with the seats on planes?’

Here are the answers to last Friday’s video, enjoy!

Suggested ICAO level for video: 5+

Manufacturers design their planes with the general idea of matching the rows of seats with the location of windows.
The problem is that the final position of the seats is left to each individual airline.
Tracks on the floor allow for maximum flexibility in the positioning of seats.
It’s the distance between a point on a seat and the same point on the seat in front of or behind it.
It has decreased significantly from 34-inches a few decades ago to 31-inches today.
The width of the seat is also changing, decreasing from around 18-inches in the past to as low as 16.7-inches on some flights.
There is no specific limit, but an airline has to be able to evacuate its planes in less than 90 seconds, with only half of the exits available for the evacuation.