Comment by blister

One cool approach to a solution would be to use data to save the day. Millions of people fly through the carriers each year. The airlines could analyze the statistical heights of their average airline passenger and design the seats accordingly. Then assign seats on the flight based on passenger height. You could have a percentage of your seats configured for short people, a bigger percentage configured for average height, and several set up for tall outliers. Then everyone will be statistically more likely to get a comfortable experience.