Seat pan, in particular for an aircraft seat, provided with a kinetic energy absorbing tube

A seating surface including a seating surface structure comprising:

• a first longitudinal member including a front end portion and a rear end portion,
• a second longitudinal member including a front end portion and a rear end portion,
• a front crossbar mechanically connecting the front end portion of the first longitudinal member and the front end portion of the second longitudinal member to one another, and
• a rear crossbar mechanically connecting the rear end portion of the first longitudinal member and the rear end portion of the second longitudinal member to one another, wherein said seating surface structure further includes a kinetic energy absorbing tube extending between the first longitudinal member and the second longitudinal member,
• wherein said kinetic energy absorbing tube is arranged in an upper part of the rear end portions of the first and second longitudinal members above a median horizontal plane (Pm) of the first and second longitudinal members.