' MYSTERY AIRSHIP’ HOVERS OVER SYDNEY” WHO OWNS IT 7”BbotUy after lea o’clock last night ihe lighthouae-luiLpor at South lie*, repotted u strange iu* replan- corning to l.m l from duo etui.The plane bore no lell n or distinguoiling mark* and wua only about five hundred feelt; ab*ve the lighthouse.Mr. S.enUn, tho hrad-kccpcr, reports that til * plain* wa-traveling al a t pmoftluu* speed and headed directly for the centra of th city. He is ce»-lain that it docs not belong to tho militaiy or naval authorities of the Cimm nwealth, n.»r is it the property of any of the numerous aero clubs.The most remarkable thing about the mystery plane is that the engine.-*, which evidently develop enormous power, are absolutely silent.Whence came this myte y ship and who owns it ? It U certainly a distinct improvement on any other aeroplane in the Oom-monwea’th and a most potential weapon of . estruclion.”“La Ur”The mystery air hip hovered over Sydney for some ten minutes, plainly visibl.- to many observers. It ihen headed seawards, travelling at a.......”Theie the m.jsugc end d abruptly. The journalist sra th«- p lice-officer stared at each other in blank umm-merit.