An accessible storage, rest, or work accommodation for an aircraft having a passenger cabin with a ceiling and a crown space above the ceiling, comprising: (a) a compartment in the crown space having at least one bunk; (b) an aperture in the passenger cabin ceiling, connecting the compartment to the passenger cabin; (c) a landing positioned below a floor of the compartment, below at least a portion of the aperture, inside the passenger cabin module; and (d) stairs or a ladder leading from the landing to a floor of the passenger cabin.