A monument for an aircraft, the monument comprising a straight elongate cavity open at one of its longitudinal ends towards the exterior of the monument and a lift apparatus mounted to the monument and adapted for lifting goods from outside the monument along the longitudinal axis of the cavity through its open end into the cavity, wherein the monument is adapted to be mounted on a floor structure of an aircraft separating two compartments (2, 3) of the aircraft from each other such that the longitudinal axis is oriented perpendicularly to the floor structure and the open end of the cavity is facing the floor structure, the lift apparatus comprising: - a guide means (18a, 18b) extending parallel to the longitudinal axis of the cavity, - a conveying means (20a, 20b) disposed in the cavity and mounted to the guide means (18a, 18b) such that it is linearly moveable along the guide means (18a, 18b), - a moving means adapted for driving the conveying means (20a, 20b) to linearly move along the guide means (18a, 18b), - a control means adapted for controlling the moving means, and - a gripping means disposed in the cavity, secured to the conveying means (20a, 20b) and adapted for selectively gripping and releasing goods, characterized in that - the guide means comprises exactly two straight guide members (18a, 18b) which are spaced from each other, each being attached to or integrated into a different one of two spaced opposing wall portions (19a, 19b) of a sidewall arrangement defining the cavity and extending parallel to the longitudinal axis of the cavity, - the conveying means comprises exactly two conveying members (20a, 20b), each mounted to a different one of the guide members (18a, 18b) such that they are linearly moveable along the respective guide member (18a, 18b), - the moving means is adapted for driving the two conveying members (20a, 20b) to linearly move along the guide members (18a, 18b), wherein the moving means comprises exactly two spindles, each engaging a conveying member, operable for moving the conveying members (20a, 20b) along the guide members (18a, 18b) by rotation of the spindles, wherein the spindles longitudinally extend through the guide members (18a, 18b), - the control means is adapted for controlling the moving means to synchronize the linear movement of the conveying members (20a, 20b) effected by the moving means, and - the gripping means is secured to the two conveying members (20a, 20b) such that the two guide members (18a, 18b) are disposed on opposite sides of the gripping means. - a guide means (18a, 18b) extending parallel to the longitudinal axis of the cavity, - a conveying means (20a, 20b) disposed in the cavity and mounted to the guide means (18a, 18b) such that it is linearly moveable along the guide means (18a, 18b), - a moving means adapted for driving the conveying means (20a, 20b) to linearly move along the guide means (18a, 18b), - a control means adapted for controlling the moving means, and - a gripping means disposed in the cavity, secured to the conveying means (20a, 20b) and adapted for selectively gripping and releasing goods, characterized in that - the guide means comprises exactly two straight guide members (18a, 18b) which are spaced from each other, each being attached to or integrated into a different one of two spaced opposing wall portions (19a, 19b) of a sidewall arrangement defining the cavity and extending parallel to the longitudinal axis of the cavity, - the conveying means comprises exactly two conveying members (20a, 20b), each mounted to a different one of the guide members (18a, 18b) such that they are linearly moveable along the respective guide member (18a, 18b), - the moving means is adapted for driving the two conveying members (20a, 20b) to linearly move along the guide members (18a, 18b), wherein the moving means comprises exactly two spindles, each engaging a conveying member, operable for moving the conveying members (20a, 20b) along the guide members (18a, 18b) by rotation of the spindles, wherein the spindles longitudinally extend through the guide members (18a, 18b), - the control means is adapted for controlling the moving means to synchronize the linear movement of the conveying members (20a, 20b) effected by the moving means, and - the gripping means is secured to the two conveying members (20a, 20b) such that the two guide members (18a, 18b) are disposed on opposite sides of the gripping means.