div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document21218330612121833061heli-history19841984-10-hovering-aboutpdf-harrierhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: 21218330612121833061Heli History19841984-10 - Hovering aboutpdf · Harrier with more safety than with a copter if not quieter The Rossi 81 with Byron fan unit is noisy loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220504105f871ea982717b241154b607html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document21218330612121833061heli-history19841984-10-hovering-aboutpdf-harrierhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: 21218330612121833061Heli History19841984-10 - Hovering aboutpdf · Harrier with more safety than with a copter if not quieter The Rossi 81 with Byron fan unit is noisy loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220504105f871ea982717b241154b607html5thumbnails2jpg width=140 height=200 divdiv