Among the MacGregor ro/ro equipment installed on "Madame Butterfly" are: (1) A 200-ton stern quarter ramp/door that is 43 m long by 7 m wide by 12 m wide (about 141 by 23 by 39.4 feet); (2) One starboard-side 34-ton ramp/door that is 25 m long by 4.6 m wide (about 82 by 15.1 feet). The vertically adjustable ramp permits entry to decks 6 and 7; (3) The fixed car decking on decks 2, 3, 11, 12, 13 and the half of deck 8 located forward of the midship bulkhead; (4) The hoistable car decking that forms decks 5, 7, 10, and the half of deck 8 aft of the midship bulkhead; (6) One gas-tight door in fixed ramp to deck 9; (8) One ramp to car deck 5 in the fixed ramp to deck 4; (10) Two ramps in car decks 8 and 11, each hoistable with cars mounted; (12) One gas-tight cover over fixed ramp, deck 6; (13) Two ventilation covers. MacGregor supplied all operational and control hydraulics for the above equipment.