A transportation seat support apparatus includes a frame configured to support a transportation seat. The frame includes an attachment portion configured to attach to a wall of a transportation vehicle, and at least one beam extending from the attachment portion at a first end and terminating at a second end. The transportation seat support apparatus further includes a pedestal configured to support the frame. The pedestal includes at least one leg portion configured to attach to a floor of the transportation vehicle, and at least one aperture configured to telescopically receive the second end of the at least one beam. The at least one beam is slidably movable within the at least one aperture.