Iingozi ziyinxalenye yobomi, kwaye ngelixa ingaqhelekanga, ziyinyani ukuba zinokwenzeka nokuba zibhabha. Ukuthetha ngokweenkcukacha-manani, uhambo lomoya mhlawumbi eyona ndlela ikhuselekileyo yokuhamba - une-1, kwi-9,821 (okanye .01 yeepesenti) yokufa emoyeni okanye kwisehlo sothutho sasemajukujukwini.
Kodwa ngokutsho entsha uhlalutyo olunzulu ngu-Boeing, ukuba ingozi yenzekile, i-apos inokwenzeka kakhulu ukuba yenzeke kwiindawo ezithile zenqwelomoya kunabanye.
I-Boeing ihlalutye iinqwelomoya zorhwebo kwihlabathi liphela ukusuka kwi-2007 ukuya kwi-2016, kwaye yafumanisa ukuba iipesenti ezingama-48 zazo zonke iingozi ezibulalayo zenzeka ngexesha lokuhla kwenqwelomoya kunye nokufika. Ezo ngozi zeenqwelo-moya zazinoxanduva lweepesenti ezingama-46 zabo bonke abantu ababhubhileyo.
Linani eliphezulu kakhulu xa ucinga ukuba indlela yokugqibela kunye neakhawunti yokumisa iipesenti ezi-4 zeenqwelo moya kunye nohambo.
Emva kwayo yonke loo nto, kuphela ipesenti ye-11 yeengozi ezinkulu ezenzekileyo ngelixa lihamba ukusuka ngo-2007 ukuya ku-2016, ngaphandle kweli nqanaba lithatha iipesenti ezingama-57 zexesha lokubaleka.