What is the headroom?

A)
Vertical distance from the floor to the roof cover seat
B)
Height of seat
C)
Length of one seat plus height of seat
D)
Height of seat measured height of next respective seat

Correct Answer :   Vertical distance from the floor to the roof cover seat


Explanation : Headroom is height measured from floor to roof over seat. Headroom is one of the fundamental factor which can affect overall layout of passenger cabin. A typical commercial economy class will include headroom of more than 60in.