B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
B64D27/02—Aircraft characterised by the type or position of power plants
B64D27/023—Aircraft characterised by the type or position of power plants of rocket type, e.g. for assisting taking-off or braking