This historical Australian newspaper article contains the keyword "mystery aeroplane": 5 Jan 1924, "THE KLUF KLUX KLOWNS": http://nla.gov.au/nla.news-article210487448
THE KLUF - KLUX KLOWNS - Truth (Perth, WA : 1903 - 1931) - 5 Jan 1924
Captain Chaplin Wilson could be taken seriously in his announcement that he will form a branch of the dreaded America Ku Klux Kish Sydney, then it would be better for Australia generally that the, Captain Chaplain be deported forthwith, For the methods of the ...