Thornebird is a 4 berth, 30ft cruiser style narrowboat, built in 1992 by TT Marine. She features a saloon with stove, seating that can be used as a single bed, a small dinette that converts to a single bed, a galley with cooker and fridge, a toilet and wash basin, a separate shower and it cleverly fits in two more single beds at the stern that partially extend under the cruiser deck.