デ・ハビランド ジャイロン
↑ Gunston 1989, p.32.
↑ http://www.flightglobal.com/pdfarchive/view/1957/1957%20-%201074.html
↑ “Cancelled projects: the list up-dated” (PDF). Flight: 262. (17 August 1967). http://www.flightglobal.com/pdfarchive/view/1967/1967%20-%201672.html.
↑ “Gyron” (PDF). Flight: 168. (2 August 1957). http://www.flightglobal.com/pdfarchive/view/1957/1957%20-%201078.html.
↑ Thought to be in storage at Wroughton and not on display