Источники 4

• https://aviation-safety.net/wikibase/225072
• https://www.dailynewscameroon.com/helicopter-crash-update-military-commander-dies-while-3-dos-reportedly-injured-in-oku/
• https://mimimefoinfos.com/2019/05/13/cameroon-a-military-helicopter-crash-one-soldier-dead-three-divisional-officers-wounded/
• https://www.facebook.com/ginainforms.17/posts/2366548943367209