Abstract: An object of the invention is to provide an energy absorption structure that can suppress the fall of an energy absorption member when a load is applied to the energy absorption structure. According to the energy absorption structure of the invention, when a load is applied to the energy absorption structure, the relative displacement between a first member and an energy absorption member is suppressed by a displacement suppressing member that connect the first member with the energy absorption member. Accordingly, the fall of the energy absorption member can be suppressed.

Abstract: An object of the invention is to provide a structure for an aircraft seat section is configured to be able to have an appropriate impact absorbing stroke in an aircraft having a small interior space. The structure is provided with a survival tub (1) which is an occupant protection member for surrounding from the lower side of the aircraft body, the space for an occupant (51) which includes a seat (50) on which the occupant sits. Preferably, the survival tub (1) is held by link mechanisms (4, 5) and an impact absorption operation section (9) so that during impact, the survival tub (1) can move to the upper side of the aircraft body.

Abstract: An air bag 4 is inflated in a shock absorption system 1 by a high pressure air cylinder 5 at the time of a collision between an aircraft and the ground that is caused by inability to fly or the like, so that a cover body 2 is unfolded to the outside from a bottom portion 11a of a fuselage 11 of the aircraft 10 and the air bag 4 is disposed inside the cover body 2. Accordingly, a sufficient shock absorption stroke is obtained, so that it may be possible to reliably absorb shock that is generated at the fuselage 11 during the collision between the aircraft and the ground caused by an inability to fly or the like. Further, the cover body 2 is unfolded from the bottom portion 11a of the fuselage 11 so as to spread out toward the rear side of the aircraft 10. Accordingly, it may be possible to make the fuselage 11 smoothly slide on the ground during the collision between the aircraft and the ground that is caused by an inability to fly or the like.