Convertible aircraft sofa with backrest that can fit beneath a given height

A compartment for a passenger transport vehicle comprising:

• at least an amenity console,
• a sofa including:
• a seat section, a backrest having a length and a structure supporting the seat section and the backrest, said sofa being convertible into at least two positions each having a maximum usable surface area by a passenger:
• a sitting position wherein the backrest is upright with respect to the seat section and a reclining position wherein the backrest is folded down in a plane with the seat section;
• said sofa being characterized in that in the sitting position, the backrest is partially stored beneath the seat section in a space within the structure, such that the maximum usable surface area in the sitting position is less than the maximum usable surface area in the reclining position, wherein the structure is movably mounted so as to be movable in translation along a longitudinal direction such that the seat section and the backrest actuates with the structure, wherein said seat section has a length to allow the passenger in the sitting position to fully extend passenger's legs, and wherein said backrest is movably mounted so as to be movable both in translation, along a longitudinal direction of the backrest when the backrest is upright in the sitting position, and in rotation about an axis of rotation located at a junction between the seat section and the backrest;
• and
• a screen positioned above the backrest of the sofa, wherein the screen is positioned at a height from the seat section when the sofa is in the sitting position, said height less than the length of the backrest.