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Show SAFETY IN FLYINGBy FLYINGBy FLYING FLYINGBy By DONALD DOUGLAS DOUGLASAmerican American Aircraft Alrcratt Maker . STATISTICS STATISTICSshow the0 theforemost QTATISTICS show that the foremost cause ofaccidents of accidents is isstlll isstill isstill stlll still the forced landing landmg . The mul- mul multi multI mul-tl mul tl - - ti engined englned airplane capable cap:1ble cap1ble : of flying flyingwIth flyingwith flyingwith wIth one or more engines not operat operat- - ing operating Is the direct answer to the d1ngers dangers dangersof d1ngersof of engine failureIt failure failureIt It is quite qultc apparent that for an air air- airplane airplane - . plane Incapable Inc'1pable Inc1pable ' of flying fiylng \ with ssith ith one en- en engine engine en engine - gine dead the risk Increases Incre'lses Increlses ' , with .Ith Ith . the thenumbers thenumbers thenumbers numbers Thereforeit 'lhereforeIt of engines englne Installed Instnlled 'lherefore lherefore therefore ' It Is not desliablo desl1able desirable that an airplane be bemulti bemulti bemultl multi engined engmed unless it can maintain maintainaltItude maintainaltitude maintainaltitude altItude over any portion of the air alr- alr airs - airline alrHne airsline line Hne with at least le'1st le1st ' one engine dead i deadFurthermole deadrurthermol deadi rurthermol urthermote e , the risk rlslc Increases with svith the withthe sviththe number of remaining engines need need- - . ed needed to maintain the : required equlred altitude . . |